期刊
RSC ADVANCES
卷 4, 期 63, 页码 33206-33214出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra04779f
关键词
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资金
- National Natural Science Foundation of China [51003113, 61205194, 61275171, 50973126]
- National Basic Research Program of China [2010CB934103]
- CAS-JSPS [GJHZ1411]
We demonstrated an efficient and robust approach for the preparation of polymer/quantum dot (QD) nanocomposite thin films in nonpolar media. By employing photopolymerization based on the thiol-ene reaction, thiol-containing polymer with affinity groups for CdSe@CdS QDs was produced for the buildup of the polymer/CdSe@CdS QD nanocomposite thin films utilizing layer-by-layer assembly. The polymer/QD nanocomposite films were characterized by SEM, TEM, fluorescence spectrometry, thermogravimetric analysis, confocal laser scanning microscopy and time-resolved fluorescence spectrometry. The resulting free-standing polymer/QD nanocomposite films exhibit high fluorescent intensity, moderate transparency, good photostability and thermal stability. We further applied photolithographic patterning in conjunction with an LBL assembly method to fabricate a polymer/CdSe@CdS QD nanocomposite pattern on a flexible substrate. This versatile and facile method provides prospects for the design of novel photonic devices based on the polymer/QD nanocomposite thin films.
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