期刊
JOURNAL OF APPLIED PHYSICS
卷 107, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3443581
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资金
- German Research Foundation (DFG) through the Nanosystems Initiative Munich (NIM)
- LMUexcellent
- China Scholarship Council
- Humboldt Foundation
- City University of Hong Kong [7002551]
- [SFB486]
We show that electronic coupling in quantum dot solids can be controlled thermomechanically. The amount and nature of interstitial material controls the shrinkage of the solids upon cooling and thereby the distances as well as electronic coupling between the constituting semiconductor nanocrystals. Using photoluminescence and transmission electron microscopy at variable temperatures we apply this concept to single nanowires and densely packed nanocrystals. We tune the band gap emission and realize both temperature-induced red- and blueshifts. (C) 2010 American Institute of Physics. [doi:10.1063/1.3443581]
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