期刊
OPTICAL MATERIALS EXPRESS
卷 12, 期 9, 页码 3530-3542出版社
Optica Publishing Group
DOI: 10.1364/OME.469114
关键词
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资金
- Project on Experimental Technique of Jilin University [409020720202]
- Scientific Research Project in the Education Department of Jilin Province [JJKH20211044KJ]
- National Natural Science Foundation of China [21801090]
A novel method of in situ one-step hydrothermal synthesis was introduced to prepare nanostructured spinel films on a low-priced alloy substrate. The resulting films demonstrated superior low reflectance and high temperature tolerance, making them promising candidates for developing optical instruments in the ultra-broadband range.
Material with low reflectance in the ultra-broadband range of UV-Vis-IR is strongly desired for advanced optical instruments. Herein, in situ one-step hydrothermal methods were first introduced to prepare nanostructured spinel films on a low-priced Fe-Cr alloy substrate. The films show a superior low-reflectance feature of 4.71% in 300-2500 nm and 6.16% in 2500-13000nm, which attribute to its uniform nano-micron pores distributed on the surface. Besides, they can tolerate 180 degrees C due to strong film adhesion stemming from in situ growth. The preparation process is convenient, low-cost, non-poisonous, pollution-free, and suitable for quantity production. Moreover, it unnecessarily requires any template, catalyst, or expensive apparatuses. The resultant spinel films are a promising candidate for developing optical instruments with higher accuracy in the ultra-broadband range.(c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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