期刊
CHEMICAL COMMUNICATIONS
卷 55, 期 43, 页码 6102-6105出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc01676g
关键词
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资金
- Air Force Office of Scientific Research Young Investigator Program [FA9550-17-1-0170]
- Herbert L. Stiles faculty fellowship
- NSF Graduate Research Fellowship Program [DGE1744592]
- U.S. DOE [DE-AC02-07CH11358]
- U.S. Department of Energy, Office of Science, Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences Division
Germanium nanocrystals (Ge NCs) have potential to be used in several optoelectronic applications such as photodetectors and light-emitting diodes. Here, we report a solid-state route to synthesizing Ge NCs through thermal disproportionation of a germania (GeOX) glass, which was synthesized by hydrolyzing a GeCl2 center dot dioxane complex. The GeOX glass synthesized in this manner was found to have residual Cl content. The process of nanocrystal nucleation and growth was monitored using powder X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy and Raman spectroscopy. Compared to existing solid-state routes for synthesizing colloidal Ge NCs, this approach requires fewer steps and is amenable to scaling to large-scale reactions.
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