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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Solvothermal synthesis of CdS nanowires for photocatalytic hydrogen and electricity production

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Title
Solvothermal synthesis of CdS nanowires for photocatalytic hydrogen and electricity production
Other Titles
Solvothermal synthesis of CdS nanowires for photocatalytic hydrogen and electricity production
Author
Jang, Jum SukJoshi, Upendra A.Lee, Jae Sung
Keywords
SEMICONDUCTOR NANOCRYSTALS; GENERAL-SYNTHESIS; CADMIUM-SULFIDE; VISIBLE-LIGHT; NANORODS; ROUTE; FABRICATION; GROWTH; TIO2; SE
Issue Date
2007-09
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF PHYSICAL CHEMISTRY C, v.111, no.35, pp.13280 - 13287
Abstract
To investigate the formation of one-dimensional CdS nanowires, we synthesized them by a solvothermal method in ethylenediamine as a single solvent at different temperatures and times. The sample synthesized at 160 degrees C for 72 h had an average diameter of ca. 50 nm and a length of ca. 3-4,mu m and hexagonal phase with high crystallinity. It was revealed that the formation of CdS nanowires followed three-step processes during the solvothermal synthesis; the seed formation process yielded nanosheets emanating from a mirosphere followed by the nanorod formation and growth of nanorods to nanowires. The CdS nanowires with higher crystallinity showed a higher rate of photocatalytic hydrogen production from water containing 0. 1 M Na2S and 0.0 2M Na2SO3 as sacrificial reagents under visible light irradiation (A L: 420 nm). A high and stable photocurrent generation was also observed from the CdS nanowire film under visible light
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DOI
10.1021/jp072683b
ISSN
1932-7447
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ECHE_Journal Papers
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