Ratiometric fluorescence sensing of temperature based on perovskite nanocrystals and rhodamine B doped electrospun fibers - Details

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Sensing　temperature　(T)　has　gained　great　attention　since　T　is　the　most　important　parameter　in　daily　life,　scientific　research　and　industry.　A　ratiometric　fluorescence　T　sensor　is　fabricated　by　doping　MAPbBr3　perovskite　nanocrystals　(PNCs)　and　rhodamine　B　(RhB)　into　a　polyacrylonitrile　(PAN)　matrix　and　the　composite　materials　are　electrospun　into　optical　fibers.　The　fibers　show　characteristic　emissions　at　521　and　587　nm　under　UV　irradiation　(λex　=　365　nm).　Both　emission　intensities　gradually　increased　with　elevating　T,　accompanied　with　a　fluorescence　color　change　from　green　to　yellow.　There　is　a　linear　relationship　between　fluorescence　intensity　ratio　(I521/I587)　and　T　in　the　range　of　30-45　°C.　The　T　response　sensitivity　is　as　high　as　4.38%　°C−1　at　45　°C.　©　2022　The　Royal　Society　of　Chemistry.

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[ 1 ] [Tan, X.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 2 ] [Lu, H.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 3 ] [Zhou, Y.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 4 ] [Wu, S.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 5 ] [Huang, G.]Institute of Food Safety and Environment Monitoring, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Wang, X.]Human Phenome Institute, Fudan University, Shanghai, 200438, China
[ 7 ] [Zeng, J.]College of Science, China University of Petroleum (East China), Qingdao, 266580, China
[ 8 ] [Li, F.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 9 ] [Li, F.]Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China
[ 10 ] [Cai, Z.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 11 ] [Cai, Z.]Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China
[ 12 ] [Zhang, M.]College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, 363000, China
[ 13 ] [Zhang, M.]Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, Minnan Normal University, Zhangzhou, 363000, China

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[Zhang, M.]College of Chemistry, China

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RSC Advances

ISSN： 2046-2069

Year： 2022

Issue： 38

Volume： 12

Page： 25106-25111

3 . 9

JCR@2022

3 . 9 0 0

JCR@2023

ESI HC Threshold：74

JCR Journal Grade：2

CAS Journal Grade：3

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SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

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