Publications related to High carrier mobility along the [111] orientation in Cu2O photoelectrodes

Related publications (21)

De-doping engineering for efficient and heat-stable perovskite solar cells

In conventional n-i-p perovskite solar cells, unsolved issues persist, particularly concerning notorious performance degradation under prolonged heat exposure at 85°C. By reducing the concentration of 4-tert-butylpyridine (tBP) and lithium bis(trifluoromet ...

2025

Characterization of Lightweight Polymeric Honeycomb Structures for Use as Backsides in Glass‐Free PV Modules

Christophe Ballif, Antonin Faes, Umang Bhupatrai Desai

In densely populated or mountainous countries where installation of large‐scale solar plants is challenging, photovoltaic (PV) modules in building applications offer a solution by transforming passive surfaces into energy‐generating systems. The need for f ...

Wiley2025

Dipolar Carbazole Ammonium for Broadened Electric Field Distribution in High-Performance Perovskite Solar Cells

Felix Thomas Eickemeyer, Likai Zheng, Jaeki Jeong

Perovskite solar cells (PSCs) with ammonium passivation exhibit superior device performance and stability. Beyond typical chemical passivation, ammonium salts control the electronic structure of perovskite surfaces, yet the molecular structure-property rel ...

2025

Detect, Decouple, Optimise: Insights into Solar Photovoltaics Faults and Performance Trends

Christophe Ballif, Hugo James André Quest

With the photovoltaics (PV) market reaching the terawatt scale, assessing the performance of PV systems accurately has become essential. Traditional approaches to fault detection and diagnosis (FDD) and performance loss rate (PLR) evaluation often operate ...

Wiley2025

Dataset to accompany publication "Quantum-mechanical effects in photoluminescence from thin crystalline gold films"

Giulia Tagliabue, Alan Richard Bowman, Fateme Kiani Shahvandi, Theodoros Tsoulos

This dataset accompanies the publication "Quantum-mechanical effects in photoluminescence from thin crystalline gold films" published in Light: Science & Applications (https://doi.org/10.1038/s41377-024-01408-2). The data can be used to reproduce plots 1-4 ...

Zenodo2024

Power Shift: Quantifying the Role of Actors in the Multi-Actor Swiss Energy System Decentralization

François Maréchal, Julia Granacher, Jonas Schnidrig, Cédric Terrier, Manuele Domenico Margni, Arthur Antoine Chuat

The global transition to decentralized energy systems signifies a fundamental transformation toward sustainable energy paradigms. This study specifically focuses on the Swiss energy system, analyzing how dynamic pricing influences the strategic decisions o ...

Frontiers Media SA2024

Power plant units for CO2 neutral energy security in Switzerland

Andreas Züttel

A new concept based on Power Plant Units, able to deliver renewable energy on demand, for the transition from fossil fuels to renewable energy in Switzerland is presented. The technically realized efficiencies showed that complete electrification leads to ...

2024

Analysis of the Contact Resistance of Organic Thin-Film Transistors

Tobias Wollandt

Many future technologies involve devices fabricated on mobile, wearable, and bio-degradable substrates that are highly flexible, such as plastics or paper. Whenever electronic components are needed for applications in such devices, inorganic semiconductors ...

EPFL2024

Finding Nash equilibrium based on reinforcement learning for bidding strategy and distributed algorithm for ISO in imperfect electricity market

Sidi-Rachid Cherkaoui

Finding Nash equilibrium in an imperfect market with active and strategic resources is key to the successful operation of the electricity market. A hierarchical Nash distributed reinforcement learning (HNDRL) framework is proposed to realize the interactio ...

ELSEVIER SCI LTD2023

High Performance Semiconducting Nanosheets via a Scalable Powder-Based Electrochemical Exfoliation Technique

Kevin Sivula, Aleksandra Radenovic, Victor Carle Adrien Boureau, Miao Zhang, Tzu-Heng Chen

The liquid-phase exfoliation of semiconducting transition metal dichalcogenide (TMD) powders into 2D nanosheets represents a promising route toward the scalable production of ultrathin high-performance optoelectronic devices. However, the harsh conditions ...

2022

Distributionally Robust Chance Constrained Optimization for Providing Flexibility in an Active Distribution Network

Sidi-Rachid Cherkaoui

In this paper, we propose a distributionally robust chance constrained (DRCC) optimization problem for the operation of an active distribution network (ADN). The ADN's operator uses the proposed problem to centrally optimize the dispatch plan of his resour ...

2022

Method of modifying the structure of perovskite films

Michael Graetzel, Shaik Mohammed Zakeeruddin, Hong Zhang

A method of modifying the structure of a perovskite film prepared on a substrate, wherein an organic or inorganic salt crown ether complex is applied on a free surface of the so-prepared perovskite film. A perovskite solar cell, wherein a perovskite layer ...

2022

Spatial Modulation of Vibrational and Luminescence Properties of Monolayer MoS & x2082; Using a GaAs Nanowire Array

Anna Fontcuberta i Morral, Wonjong Kim, Jean-Baptiste Leran, Mirjana Dimitrievska, Lucas Güniat, Didem Dede, Valerio Piazza, Akshay Balgarkashi

The integration of transition-metal dichalcogenides (TMDs) with non-planar substrates such as nanopillars provides a way to spatially modify the optical properties mainly through the localized strain. Similar studies to date have utilized insulating SiO2 n ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Multi-objective optimization and exergoeconomic analysis of a continuous solar-driven system with PCM for power, cooling and freshwater production

Hossein Pourrahmani

In this article, three different modes of a novel integrated system would be evaluated by the application of high temperature Thermal Energy Storage (TES) to produce electricity, cooling, and freshwater. Freshwater is produced using the reverse osmosis (RO ...

Elsevier2020

Influence of Charge Transport Layers on Open-Circuit Voltage and Hysteresis in Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Giulia Grancini, Yonghui Lee, Cristina Roldán Carmona, Saba Gharibzadeh

2018

Managing the solar spectrum at sub-wavelength scales: nanowire enabled new PV concepts (Conference Presentation)

Anna Fontcuberta i Morral, Pablo Romero Gómez

III-V semiconductor nanowires (NWs) are promising building blocks for next generation solar energy conversion at low cost. NW ensembles constitute a new class of metamaterial, where the optical properties of the array are tuned by the individual NW type, g ...

SPIE2018

High-flux optical systems for solar thermochemistry

Sophia Haussener, Gaël Jean Clément Levêque

High-flux optical systems (HFOSs) are optical concentrators used to increase the radiative flux of the natural terrestrial solar irradiation. High radiative flux concentration leads to high energy density in solar receivers which allow to obtain high tempe ...

2017

Realization of GaInP/Si Dual-Junction Solar Cells With 29.8% 1-Sun Efficiency

Christophe Ballif, Matthieu Despeisse, Antonin Faes, Loris Barraud, Jacques Levrat, Antoine Descoeudres, Bertrand Yves Paul Paviet-Salomon, Stephanie Essig

Combining a Si solar cell with a high-bandgap top cell reduces the thermalization losses in the short wavelength and enables theoretical 1-sun efficiencies far over 30%. We have investigated the fabrication and optimization of Si-based tandem solar cells w ...

Ieee-Inst Electrical Electronics Engineers Inc2016

Geometrical and energetical structural changes in organic dyes for dye-sensitized solar cells probed using photoelectron spectroscopy and DFT

Ulf Anders Hagfeldt

The effects of alkoxy chain length in triarylamine based donor acceptor organic dyes are investigated with respect to the electronic and molecular surface structures on the performance of solar cells and the electron lifetime. The dyes were investigated wh ...

Royal Soc Chemistry2016

Mesoscopic framework for organic-inorganic perovskite based photoelectric conversion device and method for manufacturing the same

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mingkui Wang

The invention discloses a perovskite solar cell and a method of fabrication thereof. The perovskite solar cell sequentially comprises a transparent electrode, a mesoporous P-I-N framework and a counter electrode from the bottom to top; the mesoporous P-I-N ...

2016