Publication
Photoelectrochemical Hydrogen Production in Alkaline Solutions Using Cu2O Coated with Earth-Abundant Hydrogen Evolution Catalysts
Related publications (86)
Classical and non-classical phosphine-Ru(ii)-hydrides in aqueous solutions: many, various, and useful
Hydrogenation of the water-soluble [{RuCl2(mtppms)(2)}(2)] (mtppms = monosulfonated triphenylphosphine) was studied in aqueous solutions in the presence of excess mtppms both with H-2 and with aqueous HCOONa. Depending on the reductant, the pH and H-2 pres ...
Royal Soc Chemistry2013Revealing and Accelerating Slow Electron Transport in Amorphous Molybdenum Sulphide Particles for Hydrogen Evolution Reaction
Michael Graetzel, Xile Hu, Thomas Moehl, Heron Vrubel
Electrochemical impedance spectroscopy is used to identify a slow electron transport process in hydrogen evolution catalysed by amorphous molybdenum sulphides on glassy carbon. A new chemical synthesis leads to an amorphous molybdenum sulfide catalyst with ...
Royal Soc Chemistry2013Cu-based p-type Oxide Photocathodes for Solar Hydrogen Production
The actualization of a hydrogen economy requires cost-effective and environmentally benign solutions to hydrogen production. Chemical energy in the form of hydrogen is more interesting than electricity to satisfy our ever-increasing energy demand because i ...
EPFL2012Amorphous Molybdenum Sulfide Films as Hydrogen Evolution Catalysts in Water
Molecular hydrogen is a promising candidate to replace fossil fuels as the energy carrier. Hydrogen does not exist in its molecular form on earth and must therefore be generated, starting from hydrogen-rich compounds. Water would be a renewable resource fo ...
EPFL2012Direct Observation of Two Electron Holes in a Hematite Photoanode during Photoelectrochemical Water Splitting
Michael Graetzel, Kevin Sivula, Artur Braun, Li Zhang, Jin Guo
Visible light active photoelectrodes for hydrogen generation by solar photoelectrochemical water splitting have been under scrutiny for many decades. In particular, the role of electron holes and charge transfer remains controversial. We have investigated ...
American Chemical Society2012Ultrathin films on copper(i) oxide water splitting photocathodes: a study on performance and stability
Adriana Paracchino, Morgan Mertens Stefik, Nripan Mathews, Stanley David Tilley, Takashi Hisatomi
The utilisation of Cu2O photocathodes for photoelectrochemical water splitting requires their stabilisation due to photocorrosion in aqueous electrolytes. Ultrathin films of wide band gap semiconducting oxides deposited by atomic layer deposition (ALD) on ...
Royal Soc Chemistry2012Visible light driven hydrogen production from a photo-active cathode based on a molecular catalyst and organic dye-sensitized p-type nanostructured NiO
Ulf Anders Hagfeldt, Lin Li, Chen Li, Mei Wang
A mol. device with a photocathode for hydrogen generation was successfully demonstrated, based on an earth abundant and inexpensive p-type semiconductor NiO, an org. dye P1 and a cobalt catalyst Co1. ...
2012Modeling, simulation, and design criteria for photoelectrochemical water-splitting systems
A validated multi-physics numerical model that accounts for charge and species conservation, fluid flow, and electrochemical processes has been used to analyze the performance of solar-driven photoelectrochemical water-splitting systems. The modeling has p ...
The Royal Society of Chemistry2012Artificial Photosynthesis at Soft Interfaces
Hubert Girault, Fernando Cortes Salazar, Manuel Alejandro Méndez Agudelo, Peiyu Ge, Haiqiang Deng, Imren Hatay, Patrick Voyame, Zahra Nazemi
The concept of artificial photosynthesis at a polarised liquid membrane is presented. It includes two photosystems, one at each interface for the hydrogen and oxygen evolution respectively. Both reactions involve proton coupled electron transfer reactions, ...
Schweizerische Chemische Gesellschaft2011Amorphous Molybdenum Sulfide Films as Catalysts for Electrochemical Hydrogen Production in Water
Xile Hu, Heron Vrubel, Stéphane Fierro, Daniel Andreas Merki
Amorphous molybdenum sulfide films are efficient hydrogen evolution catalysts in water. The films are prepared via simple electro-polymerization procedures and are characterized by XPS, electron microscopy and electronic absorption spectroscopy. Whereas th ...
2011