標題: The morphologies and fluorescence quantum yields of perylene diimide dye-doped PS and PHVB microspheres
作者: Chen, Jia
Jia, Shuoxun
Ji, Xiaohuan
Nourrein, Mohamed
Xiang, Hengxue
Zhou, Zhe
Wang, Chien-Lung
Sun, Bin
Zhu, Meifang
應用化學系
Department of Applied Chemistry
公開日期: 1-一月-2018
摘要: Aggregation and continuous -stacking have been the major obstacles hindering the fluorescence (FL) quantum yield (phi(F)) of perylene diimide (PDI) derivatives in the condensed phase. To prepare polymer microspheres with nearly unity phi(F), in this work a POSS functionalized PDI derivative, POSS-PDI-POSS (PPP), was applied as the red fluorophore of poly(3-hydroxylbutyrate-co-3-hydroxyvalerate) (PHBV) and polystyrene (PS) microspheres. The electrosprayed PPP/PHBV and PPP/PS microspheres have unique hollow structures. Moreover, they show bright red FL under a fluorescence microscope. A photophysical study of the microspheres indicates a significant role of the polymer matrix in disrupting the aggregation state and the phi(F) of the embedded PPP fluorophore. Both the PPP/PHBV and the PPP/PS microspheres show higher phi(F) than most PDI materials in the condensed phase. The PPP/PHBV microspheres show phi(F) of 28%, whereas the PPP/PS microspheres give nearly unity phi(F).
URI: http://dx.doi.org/10.1039/c8ra04158j
http://hdl.handle.net/11536/148364
ISSN: 2046-2069
DOI: 10.1039/c8ra04158j
期刊: RSC ADVANCES
Volume: 8
起始頁: 35534
結束頁: 35538
顯示於類別:期刊論文