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化学工业与工程 2018, Vol. 35 Issue (1) :51-55,74    DOI: 10.13353/j.issn.1004.9533.20161047
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掺杂CdTe量子点的凝胶光子晶体制备
马娜娜, 余莉萍
天津大学理学院化学系, 天津 300350
Preparation of CdTe Quantum Dot-Immobilized Hydrogel Photonic Crystal
Ma Nana, Yu Liping
Department of Chemistry, School of Science, Tianjin University, Tianjin 300350, China

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摘要 

先将单分散的聚苯乙烯微球通过垂直沉积法自组装得到聚苯乙烯光子晶体模板,再将水相合成法制备的巯基丙酸改性CdTe量子点与丙烯酸、丙烯酰胺、过硫酸铵、N,N’-亚甲基双丙烯酰胺等水凝胶前驱液混合填入聚苯乙烯光子晶体模板中,引发交联聚合,得到掺杂CdTe量子点的凝胶光子晶体。分别采用扫描电镜(SEM)、光纤光谱仪、固体荧光分光光度计对材料进行了表征,结果表明该材料既具有光子晶体的三维面心立方结构和光子带隙特征,又具有CdTe量子点荧光性能。

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马娜娜
余莉萍
关键词CdTe量子点   聚苯乙烯   光子晶体     
Abstract

Polystyrene photonic crystal template was obtained by monodispersing polystyrene microspheres using vertical deposition method. CdTe quantum dot was synthesized in aqueous solution and modified by 3-mercaptopropionic acid (MPA). Precursor solution was a mixture of functional monomers (vinyl carboxylic acid and acrylic amide), cross linker (N,N'-methylene bisacrylamide) and initiator (ammonium persulfate). Then CdTe quantum dot-immobilized hydrogel photonic crystal was fabricated by filling precursor solution containing CdTe quantum dot into the interstitial spaces of polystyrene photonic crystal templates, followed by a thermal polymerization. The prepared material was characterized and exhibited a three-dimensional, highly-ordered face-centered cubic structure with a photonic band gap and fluorescent property.

KeywordsCdTe quantum dot;   polystyrene;   photonic crystal     
Received 2016-03-29;
Corresponding Authors: 余莉萍,E-mail:lipingyu@tju.edu.cn。     Email: lipingyu@tju.edu.cn
About author: 马娜娜(1991-),女,硕士研究生,主要研究方向为光子晶体在分析中的应用。
引用本文:   
马娜娜, 余莉萍.掺杂CdTe量子点的凝胶光子晶体制备[J].  化学工业与工程, 2018,35(1): 51-55,74
Ma Nana, Yu Liping.Preparation of CdTe Quantum Dot-Immobilized Hydrogel Photonic Crystal[J].  Chemcial Industry and Engineering, 2018,35(1): 51-55,74
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