Issue 32, 2017

Electrodeposited cobalt phosphide superstructures for solar-driven thermoelectrocatalytic overall water splitting

Abstract

We demonstrate solar-driven thermoelectrocatalytic water splitting using unique cobalt phosphide (Co2P) sheet-on-leaf superstructures. Co2P is synthesized through a one-step room-temperature electrodeposition technique that precludes the release of toxic PH3 gas, where the in situ process warrants electron and mass transfer between Co2P and the underlying substrate for effective electrocatalytic reactions. Facilitated by thermionic energy harvested from sustainable solar irradiance conversion, the electrocatalytic behaviours of Co2P are remarkably increased. These superstructures are endowed with a higher electrical conductivity and electrochemical surface area, reduced activation energy and enhanced solar-to-heat conversion efficiency to accelerate electrocatalysis.

Graphical abstract: Electrodeposited cobalt phosphide superstructures for solar-driven thermoelectrocatalytic overall water splitting

Supplementary files

Article information

Article type
Communication
Submitted
31 Cax 2017
Accepted
06 Qad 2017
First published
08 Qad 2017

J. Mater. Chem. A, 2017,5, 16580-16584

Electrodeposited cobalt phosphide superstructures for solar-driven thermoelectrocatalytic overall water splitting

J. Wang, L. Zhu, G. Dharan and G. W. Ho, J. Mater. Chem. A, 2017, 5, 16580 DOI: 10.1039/C7TA04719C

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