Publications de Matthew Thomas Mayer

Function and Electronic Structure of the SnO2 Buffer Layer between the alpha-Fe2O3 Water Oxidation Photoelectrode and the Transparent Conducting Oxide Current Collector

The tin oxide buffer layer between the transparent conducting oxide current collector and the hematite photoelectrode causes considerable water oxidation enhancement of that electrode. The water oxidation onset potential is lowered by 180 mV. The lifetime ...

AMER CHEMICAL SOC2021

Multihole water oxidation catalysis on haematite photoanodes revealed by operando spectroelectrochemistry and DFT

Michael Graetzel, Matthew Thomas Mayer, Yimeng Ma

Water oxidation is the key kinetic bottleneck of photoelectrochemical devices for fuel synthesis. Despite advances in the identification of intermediates, elucidating the catalytic mechanism of this multi-redox reaction on metal-oxide photoanodes remains a ...

NATURE PUBLISHING GROUP2020

Elucidation of photovoltage origin and charge transport in Cu2O heterojunctions for solar energy conversion (vol 3, pg 2633, 2019)

Michael Graetzel, Matthew Thomas Mayer, Jingshan Luo

2019

Elucidation of photovoltage origin and charge transport in Cu2O heterojunctions for solar energy conversion

Michael Graetzel, Matthew Thomas Mayer, Jingshan Luo

Heterojunctions between p-type cuprous oxide (Cu2O) and suitable n-type layers stand out as some of the best performing and abundant oxide photoabsorbers currently available for the generation of hydrogen with photoelectrochemical cells or conversion of so ...

2019

Boosting the performance of Cu2O photocathodes for unassisted solar water splitting devices

Ulf Anders Hagfeldt, Amita Ummadisingu, Matthew Thomas Mayer, Jingshan Luo, Minkyu Son, Linfeng Pan, Jinhyun Kim

Although large research efforts have been devoted to photoelectrochemical (PEC) water splitting in the past several decades, the lack of efficient, stable and Earth-abundant photoelectrodes remains a bottleneck for practical application. Here, we report a ...

2018

Enhanced charge carrier mobility and lifetime suppress hysteresis and improve efficiency in planar perovskite solar cells

Matthew Thomas Mayer, Wolfgang Richard Tress, Juan-Pablo Correa-Baena, Antonio Abate, Michael Saliba, Silver Hamill Turren Cruz

2018

Low-Temperature Nb-Doped SnO2 Electron-Selective Contact Yields over 20% Efficiency in Planar Perovskite Solar Cells

Shaik Mohammed Zakeeruddin, Ludmilla Steier, Matthew Thomas Mayer, Wolfgang Richard Tress, Jingshan Luo, Juan-Pablo Correa-Baena, Jiyoun Seo, Elham Halvani Anaraki, Silver Hamill Turren Cruz

2018

Solution-Processed Cu2S Photocathodes for Photoelectrochemical Water Splitting

Matthew Thomas Mayer, Jingshan Luo, Minkyu Son, Linfeng Pan, Yuxiang Yu, Weiwei Zhang

2018

Photoelectrochemical deposition of CoP on cuprous oxide photocathodes for solar hydrogen production

Xile Hu, Lucas-Alexandre Stern, Laurent Liardet, Carlos Gilberto Morales Guio, Matthew Thomas Mayer

Photoelectrochemical (PEC) water splitting is an attractive and sustainable energy conversion method. In this work, cobalt phosphide (CoP) is photoelectrochemically deposited on a p-type cuprous oxide (pCu(2)O) photocathode for solar hydrogen production. U ...

Elsevier2017

Spectroelectrochemical analysis of the mechanism of (photo)electrochemical hydrogen evolution at a catalytic interface

Michael Graetzel, Florian Le Formal, Stanley David Tilley, Matthew Thomas Mayer

Multi-electron heterogeneous catalysis is a pivotal element in the ( photo) electrochemical generation of solar fuels. However, mechanistic studies of these systems are difficult to elucidate by means of electrochemical methods alone. Here we report a spec ...

Springer Nature2017

A copper nickel mixed oxide hole selective layer for Au-free transparent cuprous oxide photocathodes

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

State-of-the-art cuprous oxide (Cu2O) photocathodes for photoelectrochemical (PEC) water splitting have a long tradition of using gold (Au)-coated F-doped SnO2 (FTO) substrates for the improvement of Cu2O electrodeposition and overall PEC performance. Au i ...

Royal Soc Chemistry2017

Kinetics of Photoelectrochemical Oxidation of Methanol on Hematite Photoanodes

Michael Graetzel, Florian Le Formal, Matthew Thomas Mayer, Yimeng Ma

The kinetics of photoelectrochemical (PEC) oxidation of methanol, as a model organic substrate, on alpha-Fe2O3 photoanodes are studied using photoinduced absorption spectroscopy and transient photocurrent measurements. Methanol is oxidized on alpha-Fe2O3 t ...

American Chemical Society2017

All Solution-Processed, Hybrid Organic-Inorganic Photocathode for Hydrogen Evolution

Michael Graetzel, Marcel Roland Schreier, Matthew Thomas Mayer

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

Solar conversion of CO2 to CO using Earth-abundant electrocatalysts prepared by atomic layer modification of CuO

Jeremy Luterbacher, Marcel Roland Schreier, Ludmilla Steier, Matthew Thomas Mayer, Jingshan Luo, Florent Emmanuel Héroguel

The solar-driven electrochemical reduction of CO2 to fuels and chemicals provides a promising way for closing the anthropogenic carbon cycle. However, the lack of selective and Earth-abundant catalysts able to achieve the desired transformation reactions i ...

Nature Publishing Group2017

High Solar Flux Concentration Water Splitting with Hematite ( alpha-Fe2O3) Photoanodes

Michael Graetzel, Matthew Thomas Mayer

Wiley-VCH Verlag Berlin2016

Polymer-based photocathodes with a solution-processable cuprous iodide anode layer and a polyethyleneimine protective coating

Michael Graetzel, Marcel Roland Schreier, Matthew Thomas Mayer

Organic semiconductors have been proven to be suitable for efficient photovoltaic generation during the last decade but have been scarcely assessed as photoelectrochemical devices. In this work we present the fabrication and characterization of a new effic ...

Royal Society of Chemistry2016

Hybrid organic-inorganic H-2-evolving photocathodes: understanding the route towards high performance organic photoelectrochemical water splitting

Michael Graetzel, Marcel Roland Schreier, Matthew Thomas Mayer

A promising, yet challenging, route towards renewable production of hydrogen is the direct conversion of solar energy at a simple and low cost semiconductor/water junction. Despite the theoretical simplicity of such a photoelectrochemical device, different ...

Royal Society of Chemistry2016

Covalent Immobilization of a Molecular Catalyst on Cu2O Photocathodes for CO2 Reduction

Michael Graetzel, Marcel Roland Schreier, Thomas Moehl, Peng Gao, Matthew Thomas Mayer, Jingshan Luo

Sunlight-driven CO2 reduction is a promising way to close the anthropogenic carbon cycle. Integrating light harvester and electrocatalyst functions into a single photo electrode, which converts solar energy and CO2 directly into reduced carbon species, is ...

American Chemical Society2016

Cu2O Nanowire Photocathodes for Efficient and Durable Solar Water Splitting

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

Tin oxide as stable protective layer for composite cuprous oxide water-splitting photocathodes

Michael Graetzel, Marcel Roland Schreier, Stanley David Tilley, Morgan Mertens Stefik, Matthew Thomas Mayer

For a sustainable future, efficient solar energy harvesting and storage is required. Solar hydrogen production from photoelectrochemical water splitting is a promising technology and, in particular, cuprous oxide photocathodes are interesting photoelectrod ...

Elsevier Science Bv2016