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Sulfur‐Doped Nickel Oxide Thin Film as an Alternative to Pt for Dye‐Sensitized Solar Cell Counter Electrodes
Author(s) -
Guai Guan Hong,
Leiw Ming Yian,
Ng Chee Mang,
Li Chang Ming
Publication year - 2012
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201100582
Subject(s) - auxiliary electrode , non blocking i/o , materials science , nickel oxide , electrode , doping , electrochemistry , energy conversion efficiency , solar cell , dye sensitized solar cell , substrate (aquarium) , iodide , oxide , thin film , inorganic chemistry , catalysis , chemical engineering , nanotechnology , optoelectronics , chemistry , metallurgy , organic chemistry , electrolyte , oceanography , geology , engineering
A low‐cost, sulfur‐doped NiO (S–NiO) thin film is electrodeposited on fluorine‐doped SnO 2 substrate and studied in an iodide‐based redox system. High electrochemical activity is present because of a large catalytic surface area and a low charge transfer resistance. A dye‐ sensitized solar cell with a low‐loaded S–NiO counter electrode achieves a power conversion efficiency of 5.04%, close to that of a cell with a conventional platinized electrode.
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