Emission Properties of Composite Semiconducting Polymer Nanoparticles

被引：2

作者：

Kong, Fan ^{[1
]}

Liu, Jing ^{[1
]}

Hu, Qian ^{[1
]}

Qiu, Teng ^{[2
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Peoples R China

[2] Southeast Univ, Dept Phys, Nanjing 211189, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 117卷 / 06期

关键词：

conjugated polymers; fluorescence; luminescence; nanocomposites; photophysics; ENERGY-TRANSFER; FLUORESCENCE;

D O I：

10.1002/app.31976

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of composite polymer nanoparticles was prepared from poly(N-vinylcarbazole) (PVK) and poly(2,5-bistriethoxy-p-phenylene vinylene-alt-phenylene vinylene) (BTEO-PPV-alt-PPV). The nanoparticle sizes were measured to be in the range of 50-80 nm with transmission electron microscopy. The photoluminescence intensity of PVK decreased with the content of BTEO-PPV-alt-PPV increasing in the composite polymer nanoparticles because the excited states in PVK were quenched by BTEO-PPV-alt-PPV. The emission from BTEO-PPV-alt-PPV was enhanced in the composite polymer nanoparticles because of energy transfer from PVK to BTEO-PPV-alt-PPV for excitation at the absorption maximum of PVK. The energy-transfer efficiency was markedly improved in the composite polymer nanoparticles versus the composite polymer films according to emission spectral analyses. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 3340-3344, 2010

引用

页码：3340 / 3344

页数：5

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