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10 October, 2021

Welcome, Anil Reddy Pininti! He is a new Postdoc joining the KPV-LAB team!

Anil will empower the perovskite-silicon tandem solar cells team with his experience in scaling up the blade-coated perovskite solar cells.

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04 October, 2021

Farewell for Atteq Ur Rehman

Our postdoctoral researcher Atteq Ur Rehman is now part of the KSC Operations Team. Congratulations!!!

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27 September, 2021

Luis Victor Torres is a new member of our research team!

Luis Victor Torres is a PhD student. He arrived in Kaust in 2019 and studied for his master's degree with Prof. Derya Baran. His research interests are interface engineering on tandem solar cells, particularly interconnecting layers in monolithic tandem photovoltaics.

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19 September, 2021

Numerical Modeling Predict the Performance of Ultra-Thin Devices

In the latest work, Dr. Waseem Raja and his colleagues develop a novel 3-D opto-electrical finite-element model to analyze the performance of ultrathin solar cells. Overall, the study shows how 3-D finite element modeling can aid in analyzing and developing new optical and electrical solar cell designs for ultra-thin solar cells such as those based on chalcogenides and perovskites.

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04 September, 2021

Minding the gaps to boost perovskite performance

In collaboration with LAMA, OMEGA, CPMS, and UFD groups of KAUST, we have shown that phenformin hydrochloride (PhenHCl), a multifunctional molecule that plugs various atomic-scale defects in perovskite solar materials, can significantly boost the longevity and electrical output of perovskite-based solar cells.

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16 August, 2021

We test our perovskite/silicon tandem directly under the Sun!

In his latest work, Dr. De Bastiani led the KPVLAB team, in collaboration with the University of Toronto and the EPFL, through a six-month outdoor performance study of bifacial perovskite/silicon tandems in the sunny and humid desert of Saudi Arabia.

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05 July, 2021

Rayan Albraidi from Stanford University visits KPV-Lab as a KGSP intern

Rayan Albraidi visits KPV-LAB via KGSP Internship Program in Electrical Engineering at Stanford University, California (US).

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01 July, 2021

A giant leap forward for n-i-p-perovskite/silicon tandems from KPV-LAB

Dr. Erkan Aydin and his colleagues from KPV-LAB built an n-i-p monolithic tandem solar cell with a power conversion efficiency of 27%, beating out the previous best-reported value of 22% in the same configuration.

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21 June, 2021

We have an open Postdoc position!

Do not miss the opportunity to join us as a postdoctoral fellow for perovskite-based solar cells research! The position is immediately available.

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20 June, 2021

Can photon recycling boost the performance of perovskite solar cells? - check out our recent review

This review addresses the current progress in photon recycling in PSCsfollowed by analysis the various light-trapping strategies and device architectures that could yield efficient photon recycling in PSCs.

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14 June, 2021

Akmaral Seitkhan joins the KPV-LAB team as a Postdoctoral fellow!

Akmaral is focussing on the development of large-area perovskite/silicon tandem solar cells, and she will find a chance at KPV-LAB to extend her knowledge as a Postdoctoral fellow.

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10 June, 2021

Mohammed Alamer from University of Wisconsin visits KPV-Lab as a KGSP intern

Mohammed Alamer is currently pursuing a Bachelor of Sciences degree in Mechanical Engineering at The University of Wisconsin, Madison (US). Currently, he is doing his KGSP internship at KPV-Lab.

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30 May, 2021

Ohoud K. Alharbi from Prof. Udo Schwingenschlögljoin's group joins KPV-LAB as a visiting student

Ohoud K. Alharbi is a MS student working in first-principles calculations and simulations with Prof. Udo Schwingenschlögl. Now, she joins KPV-LAB as a visiting student. Welcome, Ohoud!

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25 May, 2021

Ahmed Ali Said joins the KPV-LAB team as a Postdoctoral fellow!

Ahmed's expertise lies in organic charge transport layers, and he will find a chance at KPV-LAB to extend his knowledge to scalable devices as a Postdoctoral fellow.

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23 May, 2021

Nice Iftar dinner with the KPV-LAB team!!

On the past 6th of May, the group celebrated an Iftar dinner. The place and the company were very nice.

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17 April, 2021

Dr. Erkan Aydin received the best poster prize from #TandemPV21 workshop

Dr. Erkan Aydin won the best poster presentation at the 1st International Tandem PV Workshop. See more details ...

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11 March, 2021

The economic impact of thermal effects on PV systems: a new publication!

We have new work titled " Heat generation and mitigation in silicon solar cells and modules " published in Joule. Read more

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09 March, 2021

Group breakfast for the members of KPV-LAB

After a hard year, most of the members of the group could join a delicious breakfast with a view of the Red Sea.

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09 March, 2021

We announce new intern projects for 2021!

Do not miss the chance to be part of KPV-LAB for cutting-edge solar cell research! Apply now 📝

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07 March, 2021

Tin Oxide: A Complement Contacting Material For Efficient Perovskite Solar Cells

Our recent review on tin oxide electron selective materials came out in Advanced Materials. To learn more, check out the detail of the news.

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04 March, 2021

Additive promotes slot-die coated perovskite solar cells to a new stage!

Fuzong Xu's study on KSCN additive for slot-die coated MAPbI3 films enables 11 μm grains and 25.15 μm charge carrier diffusion length. On thick films, the scalable solar cells achieve 21.38% PCE with negligible hysteresis.

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01 February, 2021

Our former intern Fuzong Xu joins as a Ph.D. student to KPV-LAB

Fuzong Xu joins KPV-LAB as a Ph.D. student. He will conduct research at KSC on high-efficiency perovskite based tandem solar cells.

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26 January, 2021

Our bifacial tandems promise more power!

Our work entitled "Efficient bifacial monolithic perovskite/silicon tandem solar cells via bandgap engineering" is now online in Nature Energy!

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18 January, 2021

Maxime Babics joins KPV-LAB as a postdoctoral fellow!

Maxime Babics is currently a postdoctoral fellow at KAUST working on scaling-up efficient and stable tandem devices. His research interest are silicon heterojunction solar cells, perovskite/silicon tandem solar cells, scalable photovoltaics, and organic interlayers

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13 January, 2021

Soft-landing of IZRO electrodes eleminates buffer layers

Check out our recent publication in Advanced Materials Technologies with collaboration with the University of Twente and collaborators from TNO/Solliance.

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10 January, 2021

KPV-LAB opens a postdoctoral fellowship position!

Do not miss the chance to join our team to develop highly-efficient, large-area, mechanically-stacked perovskite/silicon tandem solar cells! Share this in your network. Application Deadline: January 31st. Apply now!

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10 January, 2021

Wenbo Yan joins KPV-LAB

Wenbo is a Master Student with Stefaan's group. His research at KSC is perovskite solar cell and fabricating technique.

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23 December, 2020

KPV-LAB accepts Ph.D. applications for Al-Khwarizmi Doctoral Fellowships

The Al-Khwarizmi Graduate Fellowship scheme invites applications for doctoral fellowships, with the submission deadline of 22 January 2021, 17:00 CET.

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16 December, 2020

Muhammad Ainul Yaqin joins KPV-LAB as a visiting student intern

Ainul joined KPV-LAB in September 2020 as a visiting student and he will be working on the development of novel buffer layers in perovskite/silicon tandem solar cells.

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05 December, 2020

Bumin Kagan Yildirim joins KPV-LAB as a intern student

Bumin joined KPV-LAB as a visiting student intern in September 2020 and he is currently working on perovskite/silicon tandem solar cells.

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01 December, 2020

KPV-LAB team achieved champion certified current density for perovskite/silicon tandem solar cells

Dr. Erkan Aydin and colleagues report 19.8 mA cm-2 current density values for perovskite/silicon tandem solar cells in Nature Energy.

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30 November, 2020

KPV-LAB joins the "Circular Carbon Initiative Expo"

Take a chance to learn more about PV technologies we develop at KPV-LAB aimed at powering the Circular Carbon Economy with the sun by visiting our booth at Expo at KAUST (Dec. 1-2).

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23 November, 2020

Dr. Arsalan Razzaq joins KPV-LAB

Arsalan has recently moved to KAUST joining Prof. Stefaan De Wolf’s group at KAUST Solar Center as a postdoctoral fellow.​​

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23 November, 2020

Dr. Randi Azmi is a new member of the KPV-LAB team

Randi has research interests with high-efficiency perovskite single junction devices and perovskite/silicon tandem devices.

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22 November, 2020

Dr. Esma Ugur joins KPV-LAB as a new member of the team

Esma has recently finished her PhD with Prof. Frédéric Laquai. Now she is joining Prof. Stefaan De Wolf’s group at KAUST Solar Center as a postdoctoral fellow.​​

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17 November, 2020

Check out news from KPV-Lab in the new issue of KSC Newsletter!

https://ksc.kaust.edu.sa/pages/newsletter-2020-2.aspx

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15 November, 2020

Spend time outdoors

Dr. Aydin and colleagues' study on the perovskite/silicon tandem solar cells takes place on the cover of the November issue of Nature Energy journal.

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17 September, 2020

Perovskite/silicon tandem solar cells step into the real world

We performed outdoor field testing of perovskite/silicon tandem solar cells in a sunny climate and found that the ideal bandgap of the perovskite absorber in the perovskite/silicon tandems should be lower than previously predicted values, which is good news to fabricate phase-stable perovskites.

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26 August, 2020

Introducing slot-die coated perovskite/silicon tandems

Dr. Subbiah's recent study in ACS Energy Letters demonstrates the promise of slot-die coating for scale-up of perovskite solar cells in both single and multi-junction applications.

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25 May, 2020

Molecular doping for hole selective materials - a recent publication by Jiang Liu

A recent study by Dr. Jiang Liu came out in the recent issue of ACS Appl. Mater. Interfaces report molecular doping of hole transport materials which improves the performance and stability of the perovskite solar cell. To read more check out the publication!

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30 April, 2020

KPV-LAB's publications are among the top downloaded studies

KPV-LAB's publications draw huge attention in the perovskite community and they are listed among the top 10% of most downloaded papers in Advanced Materials and Advanced Electronic Materials.

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15 April, 2020

Technology Review – by Erkan Aydin

Emerging perovskite/silicon tandem solar cells are showing better performances on textured silicon bottom cells. On these devices, conformal coated sputtered nickel oxide hole transport layers promise highly-efficient tandems. To learn more, read the recent technology review by Dr. Erkan Aydin from KPV-LAB.

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12 March, 2020

Dr. Waseem Raja joins KPV-LAB

Dr. Waseem Raja has a strong background in numerical analysis and computational modeling for estimating the performance of the next-generation solar cells, plasmonic nanostructure-based photocatalysis devices, and LEDs.

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09 March, 2020

28.2%-efficient mechanically-stacked perovskite/silicon tandems

Mechanically stacked tandems still hold great potential. Check out our collaborative study with Sargent Group reporting lab-scale 28.2% perovskite/silicon tandems with 19% semitransparent top cells published in Nature Communications.

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05 March, 2020

Growing perovskite on textured silicon - check out KPV-LAB's recent study in Science Magazine

Our team in a collaboration with Sargent Group grew thick films of perovskite with a bandgap of ∼1.68 electron volts and used a passivant, 1-butanethiol, to limit its phase separation. The tandem cells had a certified power conversion efficiency of 25.7% and had negligible losses after 400 hours of operation.

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20 February, 2020

Farewell lunch for Alessandro

KPV-LAB people met at lunch to say goodbye to Alessandro and welcome Francesco Furlan.

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23 January, 2020

KPV-LAB announces several internship projects for 2020 - Apply now!

KPV-LAB offers students the chance to conduct innovative research at KAUST. With research opportunities that span the breadth of the photovoltaics field, driven students with an insatiable curiosity and strong academic performance can gain unparalleled opportunities to pursue their research questions under the guidance and support of KPV-LAB members.

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16 December, 2019

New year lunch

KPV-LAB people gathered for new year lunch. Happy new year to everyone!

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20 November, 2019

KPV-LAB members went to a snorkeling trip

The Red Sea is, in particular, one of the best snorkeling destinations in the world. KPV-LAB members are enjoying the beauties of the Red Sea.

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19 November, 2019

Prof. Stefaan De Wolf listed as Web of Science Highly Cited Researcher

Prof. Stefaan De Wolf is included in Web of Science’s Highly Cited Researchers 2019 annual list for the first time.

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22 October, 2019

KAUST Discovery highlights KPV-LAB's IZRO electrodes study

A touch of zirconium to better catch the sun: Zirconium-doped transparent electrodes boost the power conversion efficiency of perovskite-based tandem solar cells.

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17 October, 2019

Simone Sansoni joins KPV-LAB as a visiting PhD fellow from Padova University

At KPV-LAB Simone will focus on the optimization of spray coating deposition for perovskite-silicon tandem applications

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16 September, 2019

Dr. Thomas Allen and coworkers from KPV-LAB reviews passivating contacts for crystalline silicon solar cells in Nature Energy

​Recent breakthroughs in the way silicon solar cells can be made suggest the face of the industry-dominating technology could be changing. The new discoveries are outlined in a paper.

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05 September, 2019

​Dr. Erkan Aydin's technology review takes places in the last issue of KSC Newsletter

​Dr. Erkan Aydin's technology review on "Defect and Contact Passivation for Perovskite Solar Cells" takes places in the last issue of KSC Newsletter

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01 September, 2019

KPV-LAB members gathered at a dinner to say goodbye to interns and visitors

KPV-LAB members gathered at a dinner to say goodbye to interns and visitors.​ Francesco Furlan who is a VSRP intern, Jorge Avila Gomez who is a visiting scientist from the University of Valencia, and Salman Aboud and Rawan Jalmood are finalizing their visits.

In the meantime, we say welcome to our new VSRP interns Alessandro Mirabelli and Shingis Zhumagali.

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27 August, 2019

KAUST Discovery Magazine higlights the recent articles of KPV-LAB: Tiny tweaks for big wins in solar cells

Changes in the composition are shown to affect light-harvesting layer crystallization and perovskite solar cell efficiency.

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18 July, 2019

KPV-LAB hosts two summer school students for internship

​KPV-LAB hosts two summer school students for silicon solar activities​: Salman and Rawan.

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17 June, 2019

Dr. Kai Wang's in-situ GIWAXS study came out in Advanced Materials reveals the effective management of the anti-solvent quenching on mixed-halide/cation perovskite solar cells

The role of cation and halide mixing is revealed using in situ X‐ray scattering measurements during spin‐coating. Modulating the cation/halide composition directly impacts the lifetime of the sol–gel precursor film and its easy and reproducible conversion to the perovskite phase to yield solar cells with 20% power conversion efficiency.

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16 June, 2019

Jorge Avila from Prof. Henk Bolink's Group joins KPV-LAB as a visiting researcher. Welcome Jorge!

​Jorge Avila from Prof. Henk Bolink's Group joins KPV-LAB as a visiting researcher. Welcome Jorge!​

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11 June, 2019

Multi-cation Synergy Suppresses Phase Segregation in Mixed-Halide Perovskites. Check out KPV-LAB's recent paper in Joule!

  • Reveal phase segregation in mixed-halide perovskite films via in situ observation
  • Cs+ and Rb+ additions dictate the crystallization pathways and solar cell performance
  • Direct formation of perovskite phase is beneficial in minimizing halide segregation​​
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07 June, 2019

What should be done to reach terawatt-scale photovoltaics? Check out the recent Science paper Prof. Stefaan De Wolf contributed

This paper envision a future with ∼10 TW of PV by 2030 and 30 to 70 TW by 2050, providing a majority of global energy. PV would be not just a key contributor to electricity generation but also a central contributor to all segments of the global energy system. Ramifications and challenges for complementary technologies (e.g., energy storage, power to gas/liquid fuels/chemicals, grid integration, and multiple sector electrification) are discussed.

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26 May, 2019

Dr. Anand S. Subbiah joins KPV-LAB as a new member of perovskite team

Anand has recently moved to KAUST from India, joining Prof. Stefaan De Wolf’s group at KAUST Solar Center as a postdoctoral fellow.​​

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10 May, 2019

Dr. Kai Wang an coworkers reports improved contact quality of perovskite solar cells with "triarylphosphine oxide". Check out the paper in Adv. Mater. Int.

The small organic molecule (2‐(1,10‐phenanthrolin‐3‐yl)naphth‐6‐yl)diphenylphosphine oxide is explored as cathode interfacial material to reduce the extraction barrier between phenyl‐C61‐butyric acid methyl ester and Ag. With the better contact quality thanks to this molecule, both opaque and semitransparent p‐i‐n perovskite solar cell achieve improved performance and stability.

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08 May, 2019

Dr. Erkan Aydin, Dr. Michele De Bastiani and Prof. Stefaan De Wolf published a comprehensive review in Advanced Materials titled with "Defect and Contact Passivation for Perovskite Solar Cells"

​Dr. Erkan Aydin, Dr. Michele De Bastiani and Prof. Stefaan De Wolf reviewed "Defect and Contact Passivation for Perovskite Solar Cells" in Advanced Materials. This comprehensive review explains the origin of the various voltage‐limiting mechanisms in PSCs, and possible mitigation strategies with decent examples from literature.

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17 April, 2019

​Jingxuan Kang successfully defended his M.Sc. thesis. Congratulations!

​Jingxuan Kang succesfully defended his M.Sc. thesis. Cogratulations!

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16 April, 2019

Dr. Xinbo Yang and coworkers publish 20% c-Si devices with dual-function electron-conductive, hole-blocking TiN contacts

In this study, Xinbo Yang coworkers report an electron-conductive, hole-blocking contact based on titanium nitride (TiN) deposited by reactive magnetron sputtering.

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10 April, 2019

Dr. Erkan Aydin and coworkers report 26.2% PCE for 4T perovskite/silicon tandems enabled by IZRO electrodes in Advanced Functional Materials

​In this study, Dr. Erkan Aydin and coworkers show the excellent properties of Zr‐doped indium oxide (IZRO) transparent electrodes for such applications, with improved near‐infrared (NIR) response, compared to conventional tin‐doped indium oxide (ITO) electrodes, are shown. By doing so, the team is reporting 26.2% PCE for four‐terminal perovskite/silicon tandem devices with an absolute 3.5 mA cm−2 short‐circuit current improvement in silicon bottom cells.

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31 March, 2019

Francesco Furlan joins to KPV-LAB perovskite solar cells team as a VSRP student

​Francesco Furlan joins to KPV-LAB perovskite solar cells team as a VSRP student

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09 March, 2019

KPV-LAB researchers and coworkers from Czech Technical University just published in JPCL on "Temperature Dependence of the Urbach Energy in Lead Iodide Perovskites"

This study reveals the temperature dependence of absorption spectra for methylammonium lead iodide with specific attention for its sub-bandgap
absorption edge (often referred to as Urbach energy).

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08 March, 2019

A simple way to passivate the c-Si by polymeric Lewis acids: check out KPV-LAB's recent paper in ACS Nanо

​KPV-LAB researchers have recently published in ACS Nano with a collaboration of Javey Research Group at the University of California, Berkeley. ​​

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19 February, 2019

A recent paper from KPV-LAB: Metal-induced gap states in passivating metal/silicon contacts

​This study reports the first-principles calculations based on density functional theory to investigate the surface defect and metal-induced gap state density of silicon in close contact with metals (Al and Ag).

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10 February, 2019

KPV-LAB welcomes Yifan Dang as a visiting student in silicon solar cells team

​KPV-LAB welcomes Yifan Dang as a visiting student in silicon solar cells team.​

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24 November, 2018

Learn about the latest research results from KPV-LAB at the 2018 MRS Fall Meeting

​Learn about the latest research results from KPV-LAB at the 2018 MRS Fall Meeting

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16 November, 2018

Check out KPV-LAB's recent paper: Interfacial Dynamics and Contact Passivation in Perovskite Solar Cells

​Charge accumulation at the electron and hole transport layers generates anomalous electrical behavior in perovskite solar cells (PSCs). Hysteresis in the current-voltage characteristic and recombination at the interfaces are the clearest manifestations of this phenomenon, which compromises device performance and stability. In this study, we explained the underlying charge‐carrier dynamics of a hysteresis observed and hysteresis-free PSCs by analyzing their transient photocurrent response. ​

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07 November, 2018

Dr. Michele De Bastiani received his "Eni Award for Young Researcher of the Year" from Sergio Mattarella, President of Italy

​The Eni Award aims to reflect the importance of scientific research and innovation, promoting a better use of energy sources and encouraging a new generation of researchers. The award is an international point of reference for research in the energy and environment sectors.​​​​​​​

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30 October, 2018

KPV-LAB welcomes Dr. Furkan Halis Isikgor as a new member of perovskite team

​​Furkan recently joined Prof. Stefaan de Wolf’s group as a postdoctoral fellow.

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24 October, 2018

KPV-LAB opens new internship projects

​KPV-LAB introduces new Visiting Students Research Program (VSRP) projects.

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22 October, 2018

KPV-LAB welcomes Dr. Jiang Liu as a new member of perovskite team

Jiang's current research interests include the development of high-efficiency perovskite/silicon tandem solar cells, perovskite solar cells based on novel materials including evaporation processing, interface passivation, and advanced characterization.​​

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19 October, 2018

KPV-LAB developed a room-temperature processed, scalable nickel oxide hole transport layers: check out the recently accepted paper

​KPV-LAB researchers developed a room temperature sputtered Nickel oxide (NiOx) hole transport thin films which can be used for perovskite solar cells, perovskite/silicon tandem solar cells, organic solar cells which employs low-temperature resilience substrates.​

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08 October, 2018

KAUST Discovery higlights KPV-LAB's recent study: Tantalum nitride as thin layers improve the extraction of electrons from silicon solar cells

The efficiency of solar cells can be increased by thin-film contacts developed by researchers at KAUST.​

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01 October, 2018

​KPV-LAB members are joining PSCO-2018 Conference at Lausanne

​KPV-LAB members are joining PSCO-2018 Conference at Lausanne​

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16 September, 2018

KPV-LAB and ANU reports 20.8% efficient and 1.22V perovskite solar cells by PMMA: PCBM double-side contact passivation

​Thanks to PMMA: PCBM Double-side passivation, very high‐efficiency (≈20.8%) perovskite cells with some of the highest open circuit voltages (1.22 V) reported for the same 1.6 eV bandgap are demonstrated.

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09 September, 2018

KPV-LAB researchers fabricated the first silicon heterojunction solar cells at KAUST Solar Center with impressive start of >20%.

KPV-LAB researchers fabricated the first silicon heterojunction solar cells at KAUST Solar Center with impressive start of >20%.​​

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31 July, 2018

Research Highlight from Xinbo Yang | OCTOPUS II: An Advanced PECVD System for High-Efficiency Silicon Solar Cells

​High-efficiency silicon heterojunction (SHJ) solar cells (Fig. 1), which use a crystalline silicon (c-Si) wafer as an optical absorber and thin-film layers to form their electrical contacts, have the potential to gain a substantial share in the commercial photovoltaic (PV) market in the future. Currently, the world-record efficiency of 26.7 % is achieved with SHJ technology by placing both contacts in an interdigitated back-contact design. The KAUST Photovoltaics (KPV) Lab, led by Prof. Stefaan De Wolf, which is part of the KAUST Solar Center (KSC), is dedicated to the development of high-efficiency silicon-based solar cells, using SHJ solar cells as a core technology, and to tailoring such solar cells specifically for use in hot and sunny climates.

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31 July, 2018

Check out the Thomas Allen's​ review on passivating contacts in KSC Newsletter

Thomas Allen​ reviewed passivating contacts which is enabling progress towards the efficiency limits of the silicon solar cells. ​

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23 July, 2018

Indeotec Octopus PECVD-PVD Cluster will be operational quite soon!

​Indeotec Octopus PECVD-PVD Cluster enables the fabrication of silicon heterojunction cells on the 6-inch wafers.​

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19 April, 2018

KPV-LAB researchers explored Tantalum Nitride as a passivating contact for silicon solar cells.

Tantalum Nitride has been used for the first time as a passivating contact on silicon solar cells.​

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16 January, 2018

​KAUST Solar Center has a New Milestone​: KPV-LAB researchers have recently achieved >20% efficiency for perovskite solar cells

​KAUST Solar Center has a New Milestone​: KPV-LAB researchers have recently achieved >20% efficiency for perovskite solar cells

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30 May, 2017

Xinbo Yang's paper selected as a front cover in journal of "Progress in Photovoltaics: Research and Applications"

Xinbo Yang's paper selected as a front cover in journal of "Progress in Photovoltaics: Research and Applications"

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