Publications associées à The light and shade of perovskite solar cells

Publications associées (24)

Tracking deep-level defects in degrading perovskite solar cells with a multifactorial approach

In this work, we provide a mechanistic understanding of the degradation of perovskite solar cells in operation by focusing on methylammonium lead triiodide (CH3NH3PbI3 or MAPbI3) and tracking the evolution of electronic defects via photo-induced current tr ...

Elsevier2024

Carrier generation and collection in Zn3P2/InP heterojunction solar cells

Anna Fontcuberta i Morral, Franz-Josef Haug, Simon Robert Escobar Steinvall, Mahdi Zamani, Rajrupa Paul, Mirjana Dimitrievska, Valerio Piazza, Julien Hurni, Vanessa Conti, Anja Tiede, Joel René Sapera

Zinc phosphide (Zn3P2) has been lauded as a promising solar absorber material due to its functional properties and the abundance of zinc and phosphorous. In the last 4 decades, there has not been any significant improvement in the efficiencies of Zn3P2-bas ...

ELSEVIER2023

Overview of key results achieved in H2020 HighLite project helping to raise the EU PV industries' competitiveness

Antonin Faes, Gizem Nogay, Giuseppe Galbiati, Hugo James André Quest

The EU crystalline silicon (c-Si) PV manufacturing industry has faced strong foreign competition in the last decade. To strive in this competitive environment and differentiate itself from the competition, the EU c-Si PV manufacturing industry needs to (1) ...

WILEY2023

Interfacial Modulation through Mixed-Dimensional Heterostructures for Efficient and Hole Conductor-Free Perovskite Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Hong Zhang, Jovana Milic, Laura Piveteau, Anwar Qasem M Alanazi

Perovskite solar cells have led the new surge of solar energy research. However, their instability is a pressing issue mostly attributed to the perovskite interface with charge-selective transport layers. In this work, diethylammonium iodide (DEAI) surface ...

Wiley-V C H Verlag Gmbh2023

Dissecting the photoacidity of spiropyran/merocyanine molecular switches in water

Cesare Berton

Photochemistry is a discipline that studies the interaction between light and matter with the scope to induce chemical transformations. The first conjugation between light and chemistry can be dated back to the lifespan of Giacomo Luigi Ciamician, who is c ...

EPFL2023

In Operando, Photovoltaic, and Microscopic Evaluation of Recombination Centers in Halide Perovskite-Based Solar Cells

Ulf Anders Hagfeldt

The origin of the low densities of electrically active defects in Pb halide perovskite (HaP), a crucial factor for their use in photovoltaics, light emission, and radiation detection, remains a matter of discussion, in part because of the difficulty in det ...

AMER CHEMICAL SOC2022

High-efficiency perovskite photovoltaic modules achieved via cesium doping

Mohammad Khaja Nazeeruddin, Andreas Züttel, Yi Zhang, Jianxing Xia, Keith Gregory Brooks, Mo Li, Xiaoxin Gao

Perovskite solar modules have been attracting increasing attention due to their market potential, yet publications concerned with theintrinsic scale-up potential of different perovskite compositions remain relatively scarce. On the other hand, while great ...

ELSEVIER SCIENCE SA2022

Expanded Phase Distribution in Low Average Layer-Number 2D Perovskite Films: Toward Efficient Semitransparent Solar Cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Hiroyuki Kanda, Bin Ding, Yong Ding, Yen-Cheng Liu

The application of low average layer-number (< n & rang;

2021

Hot Carrier Mobility Dynamics Unravel Competing Subpicosecond Processes in Lead Halide Perovskites

Jacques-Edouard Moser, Ahmad Ajdar Zadeh Oskouei, Andrés Burgos Caminal, Arun Aby Paraecattil, Aurélien René Willauer, Juan Manuel Moreno Naranjo

The mechanisms behind the large photocarrier diffusion length and the outstanding photovoltaic performances of lead halide perovskites (LHP) are still debated. Hot carrier cooling and the formation of polarons are central to the charge separation process. ...

2021

Gravure printed Ag/conductive polymer electrodes and simulation of their electrical properties

Frank Nüesch, Jakob Heier, René Uwe Schneider

In this paper, some practical issues related to the manufacturing, and design criteria related to the application in devices of a hybrid silver grid/poly (3,4-ethylenedioxythiophene) semi-transparent electrode are discussed. The electrodes are fabricated b ...

SPRINGER LONDON LTD2019

All that glitters is not gold: Recent progress of alternative counter electrodes for perovskite solar cells

Mohammad Khaja Nazeeruddin, Peng Gao, Peng Gao, Xing Li

Although ultrahigh power conversion efficiency (PCE) up to 22.7% has been achieved by solution-processable perovskite solar cells (PSCs), there are still some obstacles that hinder the way of this promising photovoltaic technology to its commercialization. ...

Elsevier2018

Full-Area Passivating Contacts with High and Low Thermal Budgets: Solutions for High Efficiency c-Si Solar Cells

Gizem Nogay

Today more than 90% of the global PV market is covered by c-Si solar cells which are limited by recombination losses at the metal-semiconductor interface. This recombination path can be avoided by separating the metal from the c-Si wafer by introducing a b ...

EPFL2018

Perovskite/silicon tandem solar cells: marriage of convenience or true love story? - An overview

Christophe Ballif, Björn Niesen, Jérémie Werner

Perovskite/silicon tandem solar cells have reached efﬁciencies above 25% in just about three years of development, mostly driven by the rapid progress made in the perovskite solar cell research ﬁeld. This review aims to give an overview of the achievements ...

2017

Perovskite solar cells with CuSCN hole extraction layers yield stabilized efficiencies greater than 20%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mohammad Ibrahim Dar, Neha Arora, Norman Pellet

Perovskite solar cells (PSCs) with efficiencies greater than 20% have been realized only with expensive organic hole-transporting materials. We demonstrate PSCs that achieve stabilized efficiencies exceeding 20% with copper(I) thiocyanate (CuSCN) as the ho ...

American Association for the Advancement of Science2017

Ionic Liquids: From Synthesis to Applications in Solar Cells

Paul Joseph Dyson, Zhaofu Fei, Valentin Michael Manzanares

Ionic liquids continue to find applications in an ever-increasing range of technologies. Here we describe some of the key routes used to prepare ionic liquids and then relate their properties to their applications. In particular, ionic liquids have been us ...

Schweizerische Chemische Gesellschaft2017

Hole-Transport Materials for Perovskite Solar Cells

Michael Graetzel

The pressure to move towards renewable energy has inspired researchers to look for ideas in photovoltaics that may lead to a major breakthrough. Recently the use of perovskites as a light harvester has lead to stunning progress. The power conversion effici ...

Wiley-Blackwell2016

Temperature dependence of hydrogenated amorphous silicon solar cell performances

Christophe Ballif, Franz-Josef Haug, Michael Elias Stückelberger, Yannick Samuel Riesen

Thin-film hydrogenated amorphous silicon solar (a-Si:H) cells are known to have better temperature coefficients than crystalline silicon cells. To investigate whether a-Si:H cells that are optimized for standard conditions (STC) also have the highest energ ...

American Institute of Physics2016

Modeling potential-induced degradation (PID) in crystalline silicon solar cells: from acceleratea-aging laboratory testing to outdoor prediction

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Laure-Emmanuelle Perret Aebi, Fanny Sculati-Meillaud, Hengyu Li, Eleonora Annigoni

We present a mathematical model to predict the effect of potential-induced degradation (PID) on the power output of c-Si modules in different climates. For the experimental part, we manufacture mini-modules made of two c-Si p-type cells, and use accelerate ...

2016

Atomic-Scale Observation of Multiconformational Binding and Energy Level Alignment of Ruthenium-Based Photosensitizers on TiO2 Anatase

Klaus Kern, Stephan Rauschenbach, Sebastian Stepanow, Feliciano Giustino, Gordon Rinke, Christopher Seiji Kley, Christian Alexander Stephan Dette

Dye-sensitized solar cells constitute a promising approach to sustainable and low-cost solar energy conversion. Their overall efficiency crucially depends on the effective coupling of the photosensitizers to the photoelectrode and the details of the dye's ...

Amer Chemical Soc2014

Sub-Nanometer Conformal TiO2 Blocking Layer for High Efficiency Solid-State Perovskite Absorber Solar Cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Peng Gao, Peng Gao, Aswani Yella, Aravind Kumar Chandiran, Matthew Thomas Mayer

A mere 2 nm conformal titanium dioxide overlayer coated by atomic layer deposition is shown to act as a blocking layer for high-efficiency solid-state perovskite (CH3NH3PbI3) absorber-based solar cells. Surpassing the existing multilayer passivation, this ...

Wiley-Blackwell2014