Publications associées à Innovating Carbon-based Perovskite Solar Cells: the Role of a Cn-anchoring Self-assembled Molecular Layer in Efficiency and Stability

Publications associées (15)

Perfluoroarene-Based Tin Halide Perovskite Photovoltaics

Hybrid halide perovskites are among the most promising candidates for next-generation photovoltaics. The most investigated perovskite solar cells are lead based, which poses environmental concerns, making finding sustainable alternatives a pressing issue. ...

2025

Co-annealing of PECVD boron emitters and poly-Si passivating contacts for leaner TOPCon solar cell fabrication

Christophe Ballif, Franz-Josef Haug, Sofia Libraro, Julien Hurni, Ezgi Genç

This study investigates the feasibility of a single-step annealing process for tunnel oxide passivating contact (TOPCon) solar cell fabrication to replace the conventional two-step approach. We present a novel method using a single thermal treatment to sim ...

2025

Assessing the Charge Carrier Dynamics at Hybrid Interfaces of Organic Photoanodes for Solar Fuels

Kevin Sivula, Yongpeng Liu, Han-Hee Cho

Organic semiconductors (OSCs) have emerged as promising active layers for photoanodes to drive photoelectrochemical (PEC) oxidation reactions. Interfacing an OSC with an inorganic electron transport layer (ETL) is key to enabling both high performance and ...

Amer Chemical Soc2024

Optical Monitoring of Water Side Permeation in Thin Film Encapsulation

Yves Leterrier, Stéphanie Lacour, Massimo Mariello, Kangling Wu

The stability of long-term microfabricated implants is hindered by the presence of multiple water diffusion paths within artificially patterned thin-film encapsulations. Side permeation, defined as infiltration of molecules through the lateral surface of t ...

Wiley-V C H Verlag Gmbh2024

Extrusion-based 3D printing of stiff materials for advanced photonic applications

Pauline Camille Charlotte Pradal

Certain biological materials, such as chameleons and peacocks, display bright and vivid colors. These colors are created by the constructive interference of light that is reflected from colloidal crystals, generating the so-called structural colors. These ...

EPFL2024

Transparent Liquid Crystal Hole-Transporting Material for Stable Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Kasparas Rakstys, Jianxing Xia

Hexakis(hexyloxy)triphenylene (HAT6) discotic liquid crystal is employed as a transparent hole-transporting material (HTM) for perovskite solar cells (PSCs) and a power conversion efficiency (PCE) of 15.7% is obtained, which is the highest using HAT6 type ...

WILEY-V C H VERLAG GMBH2023

Low-loss contacts on textured substrates for inverted perovskite solar cells

Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Felix Thomas Eickemeyer, Mingyang Wei, Virginia Carnevali, Nikolaos Lempesis, Lorenzo Agosta

Inverted perovskite solar cells (PSCs) promise enhanced operating stability compared to their normal-structure counterparts1–3. To improve efficiency further, it is crucial to combine effective light management with low interfacial losses4,5. Here we devel ...

2023

Edge-Sharing Octahedrally Coordinated Ni-Fe Dual Active Sites on ZnFe2O4 for Photoelectrochemical Water Oxidation

Kevin Sivula

The structural properties of octahedral sites (B-Oh) in spinel oxides (AB(2)O(4)) play vital roles in the electrochemical performance of oxygen-related reactions. However, the precise manipulation of AB(2)O(4) remains challenging due to the complexity of t ...

WILEY2023

Passive and Deterministic Droplet Microfluidics for Single Object Encapsulation and Pairing

Jiande Zhou

The single-cell study, which dissects cell-cell heterogeneity from bulk populations, is of growing attention and importance in biological studies and clinical practices. At the core of the single-cell analysis is the efficient cell isolation and constructi ...

EPFL2023

Ion-modulated radical doping of spiro-OMeTAD for more efficient and stable perovskite solar cells

Ulf Anders Hagfeldt, Bowen Yang, Jiajia Suo

Record power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) have been obtained with the organic hole transporter 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9'-spirobifluorene (spiro-OMeTAD). Conventional doping of spiro-OMeTAD with ...

American Association for the Advancement of Science2022

Accounting for Optical Generation in the Quasi-Neutral Regions of Perovskite Solar Cells

Jean-Michel Sallese, Farzan Jazaeri, Michael Saliba, Parnian Ferdowsi

Predicting the performance of solar cells though analytical models is important for the theory-guided optimization of these devices. Earlier models neglect the impact of the optical generation in the quasi-neutral regions of a perovskite solar cell. Here, ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Showcasing the optical properties of monocrystalline zinc phosphide thin films as an earth-abundant photovoltaic absorber

Anna Fontcuberta i Morral, Jean-Baptiste Leran, Simon Robert Escobar Steinvall, Mahdi Zamani, Elias Zsolt Stutz, Rajrupa Paul, Mirjana Dimitrievska, Léa Buswell

Zinc phosphide, Zn3P2, is a semiconductor with a high absorption coefficient in the spectral range relevant for single junction photovoltaic applications. It is made of elements abundant in the Earth's crust, opening up a pathway for large deployment of so ...

Royal Society of Chemistry2022

Transparent and Colorless Dye-Sensitized Solar Cells Exceeding 75% Average Visible Transmittance

Michael Graetzel, Shaik Mohammed Zakeeruddin, Yameng Ren

Most photovoltaic (PV) technologies are opaque to maximize visible light absorption. However, see-through solar cells open additional perspectives for PV integration. Looking beyond maximizing visible light harvesting, this work considers the human eye pho ...

AMER CHEMICAL SOC2021

Light-matter interaction at atomic scales

Klaus Kern

Light-matter interaction drives many systems, such as optoelectronic devices like light-emitting diodes and solar cells, biological structures like photosystem II and potential future quantum devices. The absorption or emission of light typically occurs on ...

SPRINGERNATURE2021

All-in-One Deposition to Synergistically Manipulate Perovskite Growth for High-Performance Solar Cell

Frank Nüesch, Hui Zhang, Jie Wu

Nonradiative recombination losses originating from crystallographic distortions and issues occurring upon interface formation are detrimental for the photovoltaic performance of perovskite solar cells. Herein, we incorporated a series of carbamide molecule ...

2020