Pt-free solar driven photoelectrochemical hydrogen fuel generation using 1T MoS2 co-catalyst assembled CdS QDs/TiO2 photoelectrode

R Raja; P Sudhagar; Anitha Devadoss; C Terashima; L K Shrestha; K Nakata; R Jayavel; K Ariga; A Fujishima

doi:10.1039/c4cc07304e

Pt-free solar driven photoelectrochemical hydrogen fuel generation using 1T MoS2 co-catalyst assembled CdS QDs/TiO2 photoelectrode

Chem Commun (Camb). 2015 Jan 11;51(3):522-5. doi: 10.1039/c4cc07304e. Epub 2014 Nov 20.

Authors

R Raja¹, P Sudhagar, Anitha Devadoss, C Terashima, L K Shrestha, K Nakata, R Jayavel, K Ariga, A Fujishima

Affiliation

¹ Centre for Nanoscience and Technology, Anna University, Chennai, 600 025, India. rjvel@annauniv.edu.

PMID: 25412036
DOI: 10.1039/c4cc07304e

Abstract

The solar-to-hydrogen generation from the TiO2-CdS-ZnS-MoS2 (TCZM) heterointerface was demonstrated. We found that a Pt-free CdS quantum dot-sensitized TiO2 mesoporous electrode with a metallic-type 1T MoS2 co-catalyst resulted in 0.11 ml cm(-2) h(-1) H2 fuel generation in unassisted potential mode, which was strikingly improved to 1.47 ml cm(-2) h(-1) under 1 V applied potential.