Rapid facile in situ synthesis of the Au/Poly(N-isopropylacrylamide) thermosensitive gels as temperature sensors

被引：17
|
作者：
Wang, Yan-Qin [1 ,2 ]
Zhang, Ye-Yun [3 ,4 ]
Wu, Xiao-Gang [1 ,2 ]
He, Xi-Wen [3 ,4 ]
Li, Wen-You [3 ,4 ]
机构：
[1] Taiyuan Univ Technol, Shanxi Key Lab Mat Strength & Struct Impact, Taiyuan 030024, Peoples R China
[2] Taiyuan Univ Technol, Coll Mech, Taiyuan 030024, Peoples R China
[3] Nankai Univ, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
[4] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 143卷
基金：
中国国家自然科学基金;
关键词：
Thermal properties; Sensors; Polymeric composites; In situ; Au/PNIPAM gels; GOLD; NANOCLUSTERS; HYDROGEL;
D O I：
10.1016/j.matlet.2014.12.132
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile route for in situ synthesis of the highly fluorescent Au/Poly(N-isopropylacrylamide) (Au/PNIPAM) thermosensitive gels at room temperature has been developed. The as-prepared hybrid Au/PNIPAM gels were characterized by UV-vis absorption spectroscopy, fluorescence spectroscopy, differential scanning calorimetry (DSC) measurement, thermogravimetric analysis (TGA), etc. The fluorescence intensity of the Au/PNIPAM gels exhibited excellent thermosensitive properties. Moreover, the fluorescence quenching and enhancement process was fully reversible after repeated heating and cooling cycles. So the Au/PNIPAM thermosensitive gels could be developed as fluorescence intensity variation-based temperature sensors. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：326 / 329
页数：4
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