Bath temperature and deposition potential dependences of CuSCN nanorod arrays prepared by electrochemical deposition

In this study, we report on the electrodeposition of p-type semiconductor copper thiocyanate (CuSCN) nanorods on ITO substrate from an aqueous solution. The influence of the bath temperature and deposition potential on the properties of CuSCN layers was studied. Nanorods deposited at low temperature...

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Bibliographic Details
Published in:Journal of materials science 2015-12, Vol.50 (24), p.7866-7874
Main Authors: Gan, Xiaoyan, Liu, Keyong, Du, Xiangjun, Guo, Liling, Liu, Hanxing
Format: Article
Language:English
Subjects:
Aqueous solutions
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography
Crystallography and Scattering Methods
Dielectric films
Electrochemical reactions
electrochemistry
electrodes
High temperature
Materials Science
Mathematical morphology
Nanorods
Nanostructure
Optical properties
Original Paper
P-type semiconductors
Photovoltaic cells
Polymer Sciences
Semiconductors
Solar cells
Solar energy
Solid Mechanics
Substrates
temperature
Thin films
Thiocyanates
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Summary:In this study, we report on the electrodeposition of p-type semiconductor copper thiocyanate (CuSCN) nanorods on ITO substrate from an aqueous solution. The influence of the bath temperature and deposition potential on the properties of CuSCN layers was studied. Nanorods deposited at low temperature (25 °C) exhibited better crystalline quality and orientation along the c-axis than the nanorods grown at elevated temperatures. The deposition potential turned out to influence strongly the crystallographic orientation, the morphology, as well as the optical properties of the product. Mott–Schottky measurement demonstrates that the CuSCN nanorods are p-type semiconductor, with a hole concentration (N A) eight times larger than that of the 2D thin films when the cylindrical geometry of the nanorods was taken into consideration. The CuSCN nanorods obtained in this study can be used as inexpensive inorganic hole-transporting material in solar energy application and it offers new possibilities to fabricate nanostructured solar cells in reversed process, which starts from the formation of nanostructured p-type electrode.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-015-9267-7