Sputtering-assisted metal-organic chemical vapor deposition of Yb-doped ZnO for photonic conversion in Si solar cells

被引：7

作者：

Okada, Ryutaro ^{[1
]}

Miao, Wei ^{[1
]}

Terai, Yoshikazu ^{[1
]}

Tsuji, Takahiro ^{[1
]}

Fujiwara, Yasufumi ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Div Mat & Mfg Sci, Suita, Osaka 5650871, Japan

来源：

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 11, NO 7-8 | 2014年 / 11卷 / 7-8期

关键词：

Yb3+; ZnO; photoluminescence; CVD; THIN-FILMS; EMISSION; TM;

D O I：

10.1002/pssc.201300614

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have grown Yb-doped ZnO (ZnO:Yb) on c-plane sapphire substrates by sputtering-assisted metal-organic chemical vapor deposition (SA-MOCVD). X-ray diffraction (XRD) revealed that these ZnO:Yb films exhibit a c-axis orientation and that the lattice constant increases with Yb concentration. After annealing the samples at 600 degrees C for 0.5 h in O2, they showed a clear 980 nm emission due to the intra-4f shell transitions of F-2(5/2) -F-2(7/2) in Yb3+ ions. It turns out that Yb lu-minescent centers with different local structures coexist, which exhibit different energy transfer processes from the ZnO host. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

引用

页码：1292 / 1295

页数：4

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