Journal
CHEMICAL ENGINEERING JOURNAL
Volume 225, Issue -, Pages 474-480Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2013.03.066
Keywords
Solvothermal synthesis; Flowerlike architectures; alpha-In2Se3; Near-infrared photoluminescent
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Funding
- National Natural Science Foundation of China [21001086]
- Post-Doctoral Research Funding of Jiangsu Province [1102123C]
- Postdoctoral Science Foundation of China [2011M500853]
- Natural Science Foundation of Jiangsu Province [BK2010340]
- Start-Up Foundation of Jiangsu University [10JDG070]
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In this article, we first report a facile solvothermal route, via using green and phosphine-free oleic acid (OA) as the solvent, to synthesize flowerlike alpha-In2Se3 architectures assembled by two-dimensional (2D) nanosheets. This synthetic approach requires no precursor pre-synthesis or toxic compounds. The formation mechanism of the flowerlike alpha-In2Se3 structures was discussed in detail. This simple synthetic route may provide a new possibility in the challenge of preparing other metal selenides with nanostructures. These as-prepared flowerlike alpha-In2Se3 nanostructures exhibit a strong room-temperature photoluminescence emission in NIR region excited at 320 nm, which might offer a kind of novel alternative functional nanomaterials in the field of photovoltaic cells, bioimaging, and biolabeling. (c) 2013 Elsevier B.V. All rights reserved.
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