Optical characterization of type-II ZnO/ZnS multiple quantum wells grown by atomic layer deposition

Mostafa Afifi Hassan,Aadil Waseem,Muhammad Ali Johar, Sou Young Yu,June Key Lee,Jun-Seok Ha,Sang-Wan Ryu

Thin Solid Films（2020）

引用 3|浏览32

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摘要

•Synthesis of type-II ZnO/ZnS multiple quantum wells on Si substrates by ALD.•Type-II transition due to staggered band alignment of ZnO and ZnS.•Strong visible wavelength transition is obtained with type-II multiple quantum wells.•Type-II luminescence showed large blue shift with increasing excitation power.

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关键词

Zinc oxide,Zinc sulfide,Type-II transition,Photoluminescence,Atomic layer deposition

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