Open AccessReduced graphene oxide@TiO 2 nanorod@reduced graphene oxide hybrid nanostructures for photoelectrochemical hydrogen production
Author(s) -
Wang Longlu,
Li Yue,
Liu Yutang
Publication year - 2017
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2016.0747
Subject(s) - graphene , oxide , nanorod , materials science , hydrogen production , graphene oxide paper , nanostructure , nanotechnology , hydrogen , graphene nanoribbons , chemical engineering , chemistry , metallurgy , organic chemistry , engineering
The optimised geometrical configuration between TiO 2 nanorods (NRs) arrays and reduced graphene oxide (RGO) is essential for their application in catalysis of photoelectrochemical hydrogen production system. The scrupulous design of hierarchical nanoarchitectures by integration of multiple active materials can reinforce the light harvesting efficiency, enhance photocarrier generation and provide fast electron transport and efficient charge collection. Graphene film formed on the top surface and at the bottom of titanium dioxide nanorod (TiO 2 NRs) arrays were scrupulously fabricated in this paper. More importantly, the hydrogen production rate of RGO@TiO 2 NR@RGO hybrid nanostructures was up to 800 μmol/h −1 m 2 (radiation intensity: 160 mW/cm 2 ) which is over 2.5 times compared with bare TiO 2 NR.