Journal
NANO RESEARCH
Volume 9, Issue 12, Pages 3848-3857Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-016-1254-z
Keywords
geometry dependence; photodetection; In2S3 kinks; thermal deposition
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Funding
- National Natural Science Foundation of China [21322106, 51472097, 51402114]
- National Basic Research Program of China [2015CB932600]
- Program for HUST Interdisciplinary Innovation Team [2015ZDTD038]
- Fundamental Research Funds for the Central Universities
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High quality In2S3 kinks were synthesized via a kinetically controlled thermal deposition process and their optoelectronic characteristics were systematically explored. The growth mechanism was attributed to the combination of kinetic dynamic, crystal facial energy, and surface roughness. Two trap induced emission bands were evidenced via a low temperature cathodoluminescence (CL) study. Furthermore, the nanowire junctions demonstrated a degenerative photodetection performance, as compared to the straight arms, attributed to a stress-induced extra series resistance measured from the kinked area. The well-controllable shape of the inorganic nanostructures and the detailed exploration of their optoelectronic properties are particularly valuable for their further practical applications.
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