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Light Down-Converter Based on Luminescent Nanofibers from the Blending of Conjugated Rod-Coil Block Copolymers and Perovskite through Electrospinning

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Title: Light Down-Converter Based on Luminescent Nanofibers from the Blending of Conjugated Rod-Coil Block Copolymers and Perovskite through Electrospinning
Authors: Jiang, Dai-Hua Browse this author
Kobayashi, Saburo Browse this author
Jao, Chih-Chun Browse this author
Mato, Yoshinobu Browse this author
Isono, Takuya Browse this author
Fang, Yu-Han Browse this author
Lin, Chun-Che Browse this author
Satoh, Toshifumi Browse this author →KAKEN DB
Tung, Shih-Huang Browse this author
Kuo, Chi-Ching Browse this author
Keywords: rod/coil block copolymer
perovskite
polymer
electrospinning
light down-converter
Issue Date: Jan-2020
Publisher: MDPI
Journal Title: Polymers
Volume: 12
Issue: 1
Start Page: 84
Publisher DOI: 10.3390/polym12010084
Abstract: We demonstrated a novel strategy for the preparation of light down-converter by combining rod-coil block copolymers with perovskite quantum dots (QDs) through electrospinning. Reports have shown that polymer deformability can be enhanced by incorporating a soft segment and controlled by varying the rod/coil ratio. Therefore, we first synthesized the rod-coil block copolymer through the click reaction of polyfluorene (PF) and poly(n-butyl acrylate) (PBA). Next, the CsPbBr3@PF8k-b-PBA(12k) composite fibers were fabricated by blending perovskite through electrospinning. Optical spectral evidence demonstrated the success of the strategy, as light down-converters were prepared through the controlled variance of QD/polymer ratios to achieve tunable color and stretchability. This result reveals the potential of using rod-coil block copolymers to fabricate color-tunable perovskite light down-converters.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/77741
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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