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Cu2O photocathodes with band-tail states assisted hole transport for standalone solar water splitting

Publications associées (33)

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Modeling and experimental demonstration of an integrated photoelectrochemical hydrogen generator working under concentrated irradiation

Saurabh Yuvraj Tembhurne

The thesis focuses on producing renewable fuels by direct conversion of concentrated solar energy via photoelectrochemical (PEC) approaches, which is one viable route for renewable fuel processing and energy storage. The aim of the Ph.D. thesis is to asses ...

EPFL2018

Nowadays, the efficient, stable, and scalable conversion of solar energy into chemical fuels represents a great scientific, economic, and ethical challenge. Amongst the available candidate technologies, photoelectrochemical water splitting potentially has ...

Amer Chemical Soc2017

Humanity is facing the challenge of a global-scale energy transition over the next decades, where solar energy is set to play a crucial role. With the immense amount of sunlight reaching the surface or the Earth, and constantly decreasing manufacturing cos ...

EPFL2017

The layered semiconducting transition metal dichalcogenides (TMDs), such as MoS2, WS2, MoSe2, and WSe2, are promising light absorbers for solar energy conversion applications due to their superior optoelectronic properties and chemical stability, however s ...

EPFL2017

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Photoelectrochemical (PEC) cells are attractive for storing solar energy in chemical bonds through cleaving of water into oxygen and hydrogen. Although hematite (alpha-Fe2O3) is a promising photoanode material owing to its chemical stability, suitable band ...

Wiley-VCH Verlag Berlin2017

Energy production is not only a scientific challenge. It also has implications on human and animal health, global environment, and international politics and economics. In order to reduce these effects, the development of a new clean and renewable method i ...

EPFL2017

Cu2O Nanowire Photocathodes for Efficient and Durable Solar Water Splitting

Michael Graetzel, Jingshan Luo, Matthew Thomas Mayer, Marcel Roland Schreier, Ludmilla Steier, Minkyu Son

Due to its abundance, scalability, and nontoxicity, Cu2O has attracted extensive attention toward solar energy conversion, and it is the best performing metal oxide material. Until now, the high efficiency devices are all planar in structure, and their pho ...

American Chemical Society2016

Fabrication and Characterization of Functional ALD Metal Oxide Thin Films for Solar Applications

Ludmilla Steier

Motivated to revolutionize our today's fossil fuels based energy production, my work concentrated on the investigation of promising low-cost materials for photoelectrochemical hydrogen production and photovoltaic electricity generation. Hydrogen presents a ...

EPFL2016

Coupling of electrocatalysts to photoabsorbers for solar fuels production

Carlos Gilberto Morales Guio

The direct transformation of sunlight into fuels and chemicals has attracted considerable attention for the potential impact on the storage of solar energies at large scales and the reduction of CO2 emissions. More than 80% of our current global energy con ...

EPFL2016

Self-assembled 2D WSe2 thin films for photoelectrochemical hydrogen production

Kevin Sivula, Nestor Guijarro Carratala, Xiaoyun Yu, Mathieu Steven Prévot

WSe2-a layered semiconductor that can be exfoliated into atomically thin two-dimensional sheets-offers promising characteristics for application in solar energy conversion. However, the lack of controllable, cost-effective methods to scalably fabricate hom ...

Nature Publishing Group2015