Natural light-trapping nanostructures on thermally-grown cupric oxide

被引：0
|
作者：
Rahman, Faiz [1 ]
Hasan, Md Mahmudul [1 ]
Kordesch, Martin E. [2 ]
机构：
[1] Ohio Univ, Russ Coll Engn & Technol, Sch Elect Engn & Comp Sci, Athens, OH 45701 USA
[2] Ohio Univ, Sch Phys & Astron, Clippinger Labs, Athens, OH 45701 USA
来源：
MATERIALS RESEARCH BULLETIN | 2023年 / 159卷
关键词：
Metal oxide; Thermal oxide growth; Copper Oxide; CuO; Nanostructured surface; Band gap absorption; Light scattering; THIN-FILMS; COPPER; OXIDATION; SUBSTRATE;
D O I：
10.1016/j.materresbull.2022.112094
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal oxidation of copper produces a layer of copper oxides. We present results showing that the surface of this thermal oxide naturally has an involuted morphology that can trap a very significant amount of incident radiation (similar to 70-90%). This phenomenon is of particular interest at near-infrared and visible wavelengths where the oxide shows band gap absorption. We provide details on the growth process and surface characterization data, including SEM micrographs, surface reflection spectra, as well as diffuse reflection measurements. These reveal the intricate surface morphology and its effect on light trapping and scattering from the oxide surface.
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页数：7
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