Aqueous Synthesis of Ru Doped Hematite Nanostructures: A Morphological, Structural, Optical, and Magnetic Study
Author(s) -
Ceboliyozakha Leonard Ndlangamandla,
K. BharuthRam,
O.M. Ndwandwe,
B.D. Ngom,
M. Mâaza
Publication year - 2015
Publication title -
journal of nanoparticles
Language(s) - English
Resource type - Journals
eISSN - 2314-4858
pISSN - 2314-484X
DOI - 10.1155/2015/654587
Subject(s) - nanorod , hematite , tin oxide , materials science , doping , aqueous solution , band gap , nanostructure , chemical engineering , nanotechnology , oxide , inorganic chemistry , optoelectronics , chemistry , metallurgy , engineering
Hematite nanorods doped with ruthenium were successfully deposited on fluorine doped tin oxide (FTO) glass substrates using aqueous chemical growth. Using complementary surface/interface investigation techniques, the Ru incorporation in the Ru-α-Fe2O3 nanorods was evidenced. The optical band gap was found to be Ru doping concentration dependent: varying from 2.32 (2) to 2.47 (2) eV. These band gap values are well suited for the targeted water splitting process without application of an external bias
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