Photoluminescence of Polypropylene Thin Films

I Cai-xia; CAO Lei; LIN Jia-qi(

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Photoluminescence of Polypropylene Thin Films

更新时间：2026-07-10

- Photoluminescence of Polypropylene Thin Films
- Vol. 17, Issue 3, Pages: 50-53(2012)
- 作者机构：
  
  1. 哈尔滨理工大学应用科学学院
  2. 铁通黑龙江工程公司
  3. 哈尔滨理工大学省部共建国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： O484.41
- Published：2012
- 稿件说明：
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I Cai-xia, CAO Lei, LIN Jia-qi(. Photoluminescence of Polypropylene Thin Films[J]. 2012, 17(3): 50-53.
DOI：

I Cai-xia, CAO Lei, LIN Jia-qi(. Photoluminescence of Polypropylene Thin Films[J]. 2012, 17(3): 50-53. DOI：

摘要

用紫外-可见分光光度计和光致发光测量装置测量了聚丙烯薄膜在氙灯辐照下的光致发光强度、发光光谱和吸收光谱

研究了聚丙烯薄膜的光致发光性能.结果表明:聚丙烯薄膜的光致发光强度随测量时间呈指数衰减

发光光谱在323.8 nm、395.6 nm、514.2 nm、561.8 nm、609.4 nm、680.7 nm和752.2 nm附近存在峰带

其中752.2 nm附近的峰带相对较强.辐照时间增加

发光峰强减弱

发光强度衰减变快

发光峰带向长波方向移动.吸收度随辐照时间的增长呈增色效应

吸收带的最大吸收波长发生红移

由吸收边算得其光能隙约为4.21 eV.

Abstract

Photoluminescence(PL) intensity

spectrum and spectral absorption of polypropylene(PP) thin films irradiated by xenon lamp were measured by PL measurement set-up and TU-1901 double beam UV-Vis spectrophotometer.PL property and microstructure of PP thin films were understood.The results showed that PL intensity showed an exponential decay with the measuring time.The PL spectrum of PP thin films consist peaks near 323.8 nm

395.6 nm

514.2 nm

561.8 nm

609.4 nm

680.7 nm and 752.2 nm.The peak region ne...

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Related Author

LI Cai-xia

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ZHOU Yan-ping

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Related Institution

哈尔滨理工大学应用科学院

哈尔滨理工大学省部共建国家重点实验室

河南省电力勘测设计院

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