Journal
RSC ADVANCES
Volume 3, Issue 4, Pages 1217-1221Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra22216g
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Funding
- Natural Science Foundation of China [51102176, 50972102, 50902103]
- National High-tech R&D Program of China [2009AA03Z301]
- Research Fund for the Doctoral Program of Higher Education of China [20100032120021]
- Natural Science Foundation of Tianjin City [11JCYBJC02000]
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P-type cobalt oxide (CoO) nanowire arrays were synthesized via a hydrothermal process followed by thermal annealing. Then, n-type CdS nanoparticles were electrodeposited onto the CoO nanowires to obtain CdS/CoO nano-heterojunctions. The heterojunctions were utilized as the photocathode of solar cells, which show promising photoelectrical properties, particularly rather high photocurrents, due to efficient light absorption and improved carrier collection. This study demonstrates that the p-type CoO nanowire is an attractive candidate material for photovoltaic applications, and the hydrothermal synthesis combined with the electrodeposition process is a potential technique for producing low-cost solar cells.
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