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author:

詹晓丽 (詹晓丽.) [1] | 俞建长 (俞建长.) [2] (Scholars:俞建长) | 黄清明 (黄清明.) [3]

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Abstract:

采用sol-gel法制备了不同摩尔比例的Er3 +/y3 +/yb3+共掺杂A12O3粉末.X射线衍射(XRD)结果表明各样品均以δ-Al2O3为主相.利用荧光光谱仪测试各样品的光致发光(PL)谱,结果表明y3+的共掺杂明显的提高了Er3+的PL强度.Er3 +/y3 +/yb3+共掺杂Al2O3粉末的PL强度随着Yb3+浓度呈先增大后减小的变化,Er3+:y3+:Yb3+的摩尔比例为1∶20∶10时,样品的PL强度在y3+共掺杂的Er3+:Al2O3粉末的PL强度提高了7倍的基础上进一步提高了近4倍,说明Er3 +/Y3 +/Yb3+的共掺杂能够更有效地提高Er3+的PL强度.

Keyword:

光致发光 共掺杂 氧化铝 溶胶-凝胶

Community:

  • [ 1 ] [詹晓丽]福州大学
  • [ 2 ] [俞建长]福州大学
  • [ 3 ] [黄清明]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2012

Issue: 4

Volume: 40

Page: 531-534

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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