Cu<sub>2</sub>ZnSnS<sub>4</sub>-Pt and Cu<sub>2</sub>ZnSnS<sub>4</sub>-Au Heterostructured Nanoparticles for Photocatalytic Water Splitting and Pollutant Degradation
Xuelian Yu(Institute of Process Engineering), Alexey Shavel(Institut de Recerca en Energia de Catalunya), Xiaoqiang An(Chinese Academy of Sciences), Zhishan Luo(Institut de Recerca en Energia de Catalunya), María Ibáñez(Institut de Recerca en Energia de Catalunya), Andreu Cabot(Institució Catalana de Recerca i Estudis Avançats)
Cited by 408Open Access
Abstract
Cu2ZnSnS4, based on abundant and environmental friendly elements and with a direct band gap of 1.5 eV, is a main candidate material for solar energy conversion through both photovoltaics and photocatalysis. We detail here the synthesis of quasi-spherical Cu2ZnSnS4 nanoparticles with unprecedented narrow size distributions. We further detail their use as seeds to produce CZTS-Au and CZTS-Pt heterostructured nanoparticles. Such heterostructured nanoparticles are shown to have excellent photocatalytic properties toward degradation of Rhodamine B and hydrogen generation by water splitting.
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