Publications associées à Conformationally Stable and Sterically Hindered Bicyclo[1.1.1]pentane-1,3-diammonium Modification of FAPbI<inf>3</inf> Enhances the Performance of Perovskite Solar Cells

Publications associées (20)

Point contacts in halide perovskite solar cells: from reduced interfacial recombination to increased ionic field screening

Christian Michael Wolff, Jonas Lasse Diekmann

Inserting point contacts between the perovskite and C60 layers reduces the interfacial recombination. However, the accumulation of mobile ions at the point contacts can decrease the device stability. ...

Royal Society of Chemistry (RSC)2025

In Situ Buried Interface Engineering towards Printable Pb−Sn Perovskite Solar Cells

Christian Michael Wolff, Fan Fu

High-efficiency Pb−Sn narrow-bandgap perovskite solar cells (PSCs) heavily rely on PEDOT:PSS as the hole-transport layer (HTL) owing to its excellent electrical conductivity, dopant-free nature, and facile solution processability. However, the shallow work ...

American Chemical Society (ACS)2024

Molecularly Tailored Surface Defect Modifier for Efficient and Stable Perovskite Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Yelin Hu, Hongwei Zhu, Zhongjin Shen, Jialin Wang

Surface defects cause non-radiative charge recombination and reduce the photovoltaic performance of perovskite solar cells (PSCs), thus effective passivation of defects has become a crucial method for achieving efficient and stable devices. Organic ammoniu ...

WILEY-V C H VERLAG GMBH2023

Dual-Site Synergistic Passivation for Highly Efficient and Stable Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Bin Ding, Yong Ding

Defect passivation has been recognized as an effective strategy to improve efficiency and stability of perovskite solar cells (PSCs). In this work, in-depth theoretical calculations and experimental characterizations reveal the dual-site synergistic passiv ...

WILEY-V C H VERLAG GMBH2022

Toward Stable Monolithic Perovskite/Silicon Tandem Photovoltaics: A Six-Month Outdoor Performance Study in a Hot and Humid Climate

Christophe Ballif, Quentin Thomas Jeangros, Stefaan De Wolf

Perovskite/silicon tandem solar cells are emerging as a high-efficiency and prospectively cost-effective solar technology with great promise for deployment at the utility scale. However, despite the remarkable performance progress reported lately, assuring ...

AMER CHEMICAL SOC2021

Organic-inorganic upconversion nanoparticles hybrid in dye-sensitized solar cells

Mohammad Khaja Nazeeruddin

Highly photochemically and thermally stable upconversion nanoparticles (UCNPs) have shown their uses in photovoltaic dye-sensitized solar cells (DSSCs). Lanthanide-based UCNPs exhibited tunable absorption in the near-infrared (NIR) range and have a strong ...

ELSEVIER SCIENCE SA2021

The Front and Rear Side Contributions to the Potential Induced Degradation of Bifacial Silicon Heterojunction Solar Modules

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Luca Gnocchi, Olatz Arriaga Arruti, Fabiana Lisco

38th European Photovoltaic Solar Energy Conference and Exhibition; 573-577 Recent studies showed that silicon heterojunction (SHJ) solar cells may be prone to potential induced degradation (PID), when encapsulated with a low volume resistivity ethylene vin ...

WIP2021

Deep reinforcement learning control of electric vehicle charging in the presence of photovoltaic generation

Christophe Ballif, Nicolas Würsch, Marina Dorokhova

In recent years, the importance of electric mobility has increased in response to climate change. The fast-growing deployment of electric vehicles (EVs) worldwide is expected to decrease transportation-related emissions, facilitate the integration of renew ...

2021

High-Performance Lead-Free Solar Cells Based on Tin-Halide Perovskite Thin Films Functionalized by a Divalent Organic

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Yuhang Liu

Tin-based halide perovskite solar cells (PSCs) hold the most promise among lead-free PSCs, but they are plagued with inadequate environmental stability and power-conversion efficiency (PCE). Here we demonstrate that the optimum incorporation of a bulky div ...

2020

Black phosphorus quantum dots in inorganic perovskite thin films for efficient photovoltaic application

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mingkui Wang, Tong Zhang, Carole Graetzel

Black phosphorus quantum dots (BPQDs) are proposed as effective seed-like sites to modulate the nucleation and growth of CsPbI2Br perovskite crystalline thin layers, allowing an enhanced crystallization and remarkable morphological improvement. We reveal t ...

2020

Effect of TiO2 Photoanodes Morphology and Dye Structure on Dye-Regeneration Kinetics Investigated by Scanning Electrochemical Microscopy

Ulf Anders Hagfeldt, Nikolaos Vlachopoulos, Kazuteru Nonomura, Gunther Wittstock

The dye regeneration in dye-sensitized solar cells (DSSCs) is improved by optimizing the charge separation at the level of the sensitized semiconductor treatment of the mesoporous electrode by TiCl4 that passivates the surface for back electron transfer re ...

2020

13.6% Efficient Organic Dye-Sensitized Solar Cells by Minimizing Energy Losses of the Excited State

Ulf Anders Hagfeldt, Li Zhang

The electron-injection energy losses of dye-sensitized solar cells (DSSCs) are among the fundamental problems hindering their successful breakthrough application. Two triazatruxene (TAT)-based sensitizers, with one containing a flexible Z-type double bond ...

AMER CHEMICAL SOC2019

Tailored lead iodide growth for efficient flexible perovskite solar cells and thin-film tandem devices

Fan Fu, Romain Carron

Flexible perovskite solar cells (PSCs) hold great promise for the low-cost roll-to-roll production of lightweight single- and multijunction photovoltaic devices. Among the different deposition methods used for the perovskite absorber, the two-step hybrid v ...

NATURE PUBLISHING GROUP2018

Improving the energy sustainability of a Swiss village through building renovation and renewable energy integration

Jean-Louis Scartezzini, Silvia Coccolo, Amarasinghage Tharindu Dasun Perera, Nahid Mohajeri Pour Rayeni, Lucas Mosca

The integration of renewable energy technologies and building renovation are the two main procedures for improving energy sustainability of buildings at neighborhood scale. It is difficult, however, to optimize these procedures simultaneously. This study f ...

Elsevier2018

Interdigitated back contact silicon heterojunction solar cells featuring an interband tunnel junction enabling simplified processing

Christophe Ballif, Matthieu Despeisse, Quentin Thomas Jeangros, Antoine Descoeudres, Sylvain Nicolay, Loris Barraud, Antonin Faes, Stefaan De Wolf, Bertrand Yves Paul Paviet-Salomon, Johannes Peter Seif, Benjamin Strahm, Andrea Tomasi, Gabriel Christmann, Jonas Geissbühler

This paper reports on the development of an innovative back-contacted crystalline silicon solar cell with passivating contacts featuring an interband tunnel junction at its electron-collecting contacts. In this novel architecture, named "tunnel-IBC", both ...

2018

Techno-economic analysis of battery storage and curtailment in a distribution grid with high PV penetration

Nicolas Würsch

Global solar PV capacity continues growing and this technology is a central solution for the global energy transition based on both economic growth and decarbonisation. PV technology is mainly being installed in distribution networks next to the consumptio ...

2018

Characterization techniques for dye-sensitized solar cells

Ulf Anders Hagfeldt

Dye-sensitized solar cells (DSCs) have been widely studied in the last two decades and start to be commercialized in the photovoltaic market. Comprehensive characterization is needed to fully understand and optimize the device performance and stability. In ...

Royal Soc Chemistry2017

Properties of Contact and Bulk Impedances in Hybrid Lead Halide Perovskite Solar Cells Including Inductive Loop Elements

Ulf Anders Hagfeldt, Juan-Pablo Correa-Baena, Tor Jesper Jacobsson

Impedance spectroscopy offers access to all the different electronic and ionic processes taking place simultaneously in an operating solar cell. To date, its use on perovskite solar cells has been challenging because of the richness of the physical process ...

Amer Chemical Soc2016

The Role of 3D Molecular Structural Control in New Hole Transport Materials Outperforming Spiro-OMeTAD in Perovskite Solar Cells

Ulf Anders Hagfeldt, Nikolaos Vlachopoulos, Lin Yang

Wiley-VCH Verlag Berlin2016

Improving efficiency and stability of perovskite solar cells with photocurable fluoropolymers

Michael Graetzel, Ulf Anders Hagfeldt, Juan-Pablo Correa-Baena

Organometal halide perovskite solar cells have demonstrated high conversion efficiency but poor long-term stability against ultraviolet irradiation and water. We show that rapid light-induced free-radical polymerization at ambient temperature produces mult ...

American Association for the Advancement of Science2016