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http://hdl.handle.net/2440/124839
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Type: | Journal article |
Title: | Mechanistic insight into the non-hydrolytic sol-gel process of tellurite glass films to attain a high transmission |
Author: | Pan, X. Zhao, J. Qian, G. Zhang, X. Ruan, Y. Abell, A. Ebendorff-Heidepriem, H. |
Citation: | RSC Advances, 2020; 10(4):2404-2415 |
Publisher: | Royal Society of Chemistry |
Issue Date: | 2020 |
ISSN: | 2046-2069 2046-2069 |
Statement of Responsibility: | Xuanzhao Pan, Jiangbo Zhao, Gujie Qian, Xiaozhou Zhang, Yinlan Ruan, Andrew Abell and Heike Ebendorff-Heidepriemae |
Abstract: | The development of amorphous films with a wide transmission window and high refractive index is of growing significance due to the strong demand of integrating functional nanoparticles for the next-generation hybrid optoelectronic films. High-index TeO2-based glass films made via the sol–gel process are particularly suitable as their low temperature preparation process promises high compatibility with a large variety of nanoparticles and substrates that suffer from low thermal stability. However, due to the lack of in-depth understanding of the mechanisms of the formation of undesired metallic-Te (highly absorbing species) in the films, the preparation of high-transmission TeO2-based sol–gel films has been severely hampered. Here, by gaining insight into the mechanistic chemistry of metallic-Te formation at different stages during the non-hydrolytic sol–gel process, we identify the chemical route to prevent the generation of metallic-Te in a TeO2-based film. The as-prepared TeO2-based film exhibits a high transmission that is close to the theoretical limit. This opens up a new avenue for advancing the performance of hybrid optoelectronic films via incorporating a large variety of unique nanoparticles. |
Rights: | © The Royal Society of Chemistry 2020. Open Access Article.This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. |
RMID: | 1000013340 |
DOI: | 10.1039/c9ra10731b |
Grant ID: | http://purl.org/au-research/grants/arc/CE140100003 http://purl.org/au-research/grants/arc/DP170104367 |
Appears in Collections: | Physics publications |
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