@FunPero

DFG Priority Program: "Perovskite semiconductors: From fundamental properties to devices" (SPP 2196). #perovskite #solarcells #solarenergy

perovskite-spp.uni-konstanz.de/spp-2196/
Joined March 2020
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🎉Delighted to announce our latest work in @AdvSciNews Adv.Mat in collaboration with @SutterFellaLab☀️ We show #crystallization change in #perovskite using 2D/3D PEACl in AS💧via in-situ GIWAXS, PL🔬⬇️ onlinelibrary.wiley.com/doi/… Great work with @TKodalle @MahdiMalekshahi & team👨‍🔬👩‍🔬

An Integrated Deposition and Passivation Strategy for Controlled Crystallization of 2D/3D Halide...

A facile method for depositing multidimensional perovskite thin films is presented, incorporating phenethylammonium chloride (PEACl) treatment into the antisolvent step for 3D perovskite formation....

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We are happy to give the ipv lab tour @Uni_Stuttgart to participants of #SPP2196 during its annual workshop.@DFG__Official @FunPero We especially thank all our PhDs (Hue, Lukas, Martina) involved in the SPP project🎉 @miliba01 @StefanALWeber #CREATIVE #fundamental_perovskite
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We made the thinnest perovskite solar cells! 💠🔆 By controlling the perovskite growth, we made ultra-thin, semitransparent solar cells with 10 nm thick perovskites that reach a Voc of 1.08 V, a FF of 80% and an AVT of 54.2%. onlinelibrary.wiley.com/doi/…

Semitransparent Perovskite Solar Cells with an Evaporated Ultra‐Thin Perovskite Absorber

Herein, semitransparent perovskite solar cells (PSCs) with a 10 nm thick active layer are fabricated by controlling the crystallization process during the thermal evaporation of the perovskite...

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I'm happy to be able to share this publication by @YenalYalcinkaya and me in the group of @StefanALWeber about time-resolved #KPFM to visualize grain boundary effects during illumination and relaxation with #AFM on #perovskite. #Researchpaper #OpenAccess doi.org/10.1002/adom.2023013…
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Know your grain boundaries! With dyamic #KPFM @YenalYalcinkaya and @PascalRohrbeck reveal some surprising effects in #perovskite thin films. It's #OpenAccess, so check it out: onlinelibrary.wiley.com/doi/…

Nanoscale Surface Photovoltage Spectroscopy

Resolving structure–function relationships in optoelectronic materials on the relevant micro- and nanometer-length scales can be challenging. Here, nanoscale surface photovoltage spectroscopy and...

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Our article @ScienceMagazine explains why piperazinium iodide enables up to certified 32.5% efficient perovskite/silicon tandem solar cells doi.org/10.1126/science.adf5… @HZBde @unipotsdam @Stolterlab @PolykeyPolymers @POLYMAT_BERC @ktuspace @Ikerbasque @TUBerlin @SiliconCellsHZB
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New paper on how to interpret small-signal measurements in halide perovskite solar cells: onlinelibrary.wiley.com/doi/… The idea is to find the (at least) two time constants contained in the data and then to use them to quantify both recombination and extraction times. @fz_juelich

Quantifying Charge Extraction and Recombination Using the Rise and Decay of the Transient Photovo...

The rise time of transient photovoltage measurements on halide perovskite solar cells is used to quantify charge extraction. As the decay time of the photovoltage can be used to quantify recombinat...

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☀️Want to get rid of lingering #DMSO from #perovskite? 🎯Check out our work on coordination chemistry using #DMS fitting right at the sweet spot of #high_volatility🌬️ and #coordination at the same time with PCE>23.6%👏 👇 onlinelibrary.wiley.com/doi/… Congrats @Weezuo & coauthors👩‍🔬🧑‍🔬👇 – at Stuttgart, Germany
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paper alert: Quentin's paper on single-source evaporation of metal halide templates for perovskite photovoltaics is finally out! pubs.acs.org/doi/10.1021/acs… Special thx to our collaborators @Uni_Stuttgart @SalibaLab @ESRF and @Empa_CH

Substoichiometric Mixing of Metal Halide Powders and Their Single-Source Evaporation for Perovskite...

Abstract. High-vacuum, single-source thermal evaporation is an appealing deposition process for perovskite photovoltaics. It promises the homogeneous and p

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Everything you ever wanted to know about solvents 💧 and antisolvents 🫧in metal halide perovskites 💠 is now available in our Feature Article published #OpenAccess in @ChemCommun pubs.rsc.org/en/content/arti…
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Check out our paper on tin iodide complexes! It's relevant for tin-based halide #perovskites! Thanks to @dfg_public through @FunPero for support and to @UniOldenburg @HumboldtUni and @IRISAdlershof for hosting our research pubs.acs.org/doi/full/10.102…

Electronic Structure and Optical Properties of Tin Iodide Solution Complexes

Abstract. The emerging interest in tin halide perovskites demands a robust understanding of the fundamental properties of these materials starting from the

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Check out this exciting research on #perovskites rdcu.be/c6NqA Great collaboration @UniOldenburg @UniBremen @WeizmannScience Thanks to @VolkswagenSt @DFG @FunPero @SFB_1372 for funding
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Some of you saw it already from my talks around, but now it's finally out! Here we explain the major losses of widegap #perovskite #solarcells at Voc and Jsc! Check it out because we also propose some effective solutions!! @SnaithGroup @OxfordPhysics nature.com/articles/s41467-0…

Open-circuit and short-circuit loss management in wide-gap perovskite p-i-n solar cells

Nature Communications - A mismatch between quasi-Fermi level splitting and open-circuit voltage is detrimental to wide bandgap perovskite pin solar cells. Here, through theoretical and experimental...

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Photo-oxidation 🌞 is a known cause of degradation in perovskite PVs 😭. Surprisingly we discovered that photo-oxidation can lead to the healing ❤️‍🩹 of highly defective perovskites 💠, restoring high photovoltaic performance! 👍 Please check it out at pubs.rsc.org/en/content/arti…

Remarkable performance recovery in highly defective perovskite solar cells by photo-oxidation†

Exposure to environmental factors is generally expected to cause degradation in perovskite films and solar cells. Herein, we show that films with certain d

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New Virtual issue @ACSEnergyLett features 30 Women Scientists at the Forefront of Energy Research: Read their scientific stories @NienhausFSU @DrMcMillonBrown @lnce_epfl @vaynzof @GalliGroup @JodieLutkenhaus @KitaK001 @MartaHatzell @DeryaBaranB @QuyenUCSB pubs.acs.org/doi/10.1021/acs…
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🚨🚨The #PhdPostdocSeries is starting again! Don't miss Konstantin's talk about in-situ optical spectroscopy for the study of #perovskite film formation! 📅⏰See you tomorrow at 5 PM CET fau.zoom.us/webinar/register… @PanzerSolar @NGSE_conf @unibt @iMEET_PV
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Nanotexture greatly increase fabrication yield and reduces reflection of perovskite/silicon tandem solar cells. Combined with an optimized Si rearside (RDBL) we achieved certified 29.80%. Read more in @NatureNano: dlvr.it/SbdgPv @HZBde

Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells

Nature Nanotechnology - Designing gentle sinusoidal nanotextures enables the realization of high-efficiency perovskite–silicon solar cells

nature.com
Nature Nanotechnology@NatureNano24 Oct 2022
New content online: Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells dlvr.it/SbdgPv
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Our work on inorganic #perovskite #solar cells is now available as open access preview! Read more about the efficiency potential of CsPbI2Br solar cells and how to reach it: onlinelibrary.wiley.com/doi/… @HZBde @Stolterlab @HZBde @IRISAdlershof @picaprioglio @MaxGrischek

Efficiency Potential and Voltage Loss of Inorganic CsPbI2Br Perovskite Solar Cells

The efficiency potential of inorganic n–i–p and p–i–n CsPbI2Br solar cells is quantified using intensity-dependent photoluminescence measurements. A detailed loss analysis reveals the contribution...

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SAM interlayers are quickly becoming a wining technology for large-area optoelectronics: High‐Efficiency Perovskite–Organic Blend Light‐Emitting Diodes Featuring Self‐Assembled Monolayers as Hole‐Injecting Interlayers onlinelibrary.wiley.com/doi/…

High‐Efficiency Perovskite–Organic Blend Light‐Emitting Diodes Featuring Self‐Assembled Monolayers...

Highly-efficient green (λmax = 515 nm) perovskite light-emitting diodes are developed by combining blends of the quasi-2D perovskite, PEA2Cs4Pb5Br16, and the wide bandgap organic semiconductor 2,7...

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We all know that charges can get trapped. In our recent work with @NirTessler and David Beljonne, we demonstrate that mobile ions in perovskites can also be trapped, leading to enhanced photovoltaic performance! Check it out #openaccess at pubs.acs.org/doi/10.1021/acs… @ACSEnergyLett

Persistent Ion Accumulation at Interfaces Improves the Performance of Perovskite Solar Cells

Abstract. The mixed ionic–electronic nature of lead halide perovskites makes their performance in solar cells complex in nature. Ion migration is often ass

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