Synthesis of germanium nanocrystals from solid-state disproportionation of a chloride-derived germania glass
Abstract
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·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.
- Authors:
-
- Iowa State Univ., Ames, IA (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Publication Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1542939
- Report Number(s):
- IS-J-9953
Journal ID: ISSN 1359-7345; CHCOFS
- Grant/Contract Number:
- AC02-07CH11358
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ChemComm
- Additional Journal Information:
- Journal Volume: 55; Journal Issue: 43; Journal ID: ISSN 1359-7345
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Wang, Yujie, Ramesh, Utkarsh, Nyamekye, Charles K. A., Ryan, Bradley J., Nelson, Rainie D., Alebri, Abdulla M., Hamdeh, Umar H., Hadi, Atefe, Smith, Emily A., and Panthani, Matthew G. Synthesis of germanium nanocrystals from solid-state disproportionation of a chloride-derived germania glass. United States: N. p., 2019.
Web. doi:10.1039/C9CC01676G.
Wang, Yujie, Ramesh, Utkarsh, Nyamekye, Charles K. A., Ryan, Bradley J., Nelson, Rainie D., Alebri, Abdulla M., Hamdeh, Umar H., Hadi, Atefe, Smith, Emily A., & Panthani, Matthew G. Synthesis of germanium nanocrystals from solid-state disproportionation of a chloride-derived germania glass. United States. https://doi.org/10.1039/C9CC01676G
Wang, Yujie, Ramesh, Utkarsh, Nyamekye, Charles K. A., Ryan, Bradley J., Nelson, Rainie D., Alebri, Abdulla M., Hamdeh, Umar H., Hadi, Atefe, Smith, Emily A., and Panthani, Matthew G. Mon .
"Synthesis of germanium nanocrystals from solid-state disproportionation of a chloride-derived germania glass". United States. https://doi.org/10.1039/C9CC01676G. https://www.osti.gov/servlets/purl/1542939.
@article{osti_1542939,
title = {Synthesis of germanium nanocrystals from solid-state disproportionation of a chloride-derived germania glass},
author = {Wang, Yujie and Ramesh, Utkarsh and Nyamekye, Charles K. A. and Ryan, Bradley J. and Nelson, Rainie D. and Alebri, Abdulla M. and Hamdeh, Umar H. and Hadi, Atefe and Smith, Emily A. and Panthani, Matthew G.},
abstractNote = {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·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.},
doi = {10.1039/C9CC01676G},
journal = {ChemComm},
number = 43,
volume = 55,
place = {United States},
year = {Mon Apr 29 00:00:00 EDT 2019},
month = {Mon Apr 29 00:00:00 EDT 2019}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
Synthesis and model simulation of the hexagonal to circular transition of perovskite cesium lead halide nanosheets by rapidly changing the temperature
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