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Microwave-Responsive Flexible Room-Temperature Phosphorescence Materials Based on Poly(vinylidene fluoride) Polymer.
Zhang, Yongfeng; Zhang, Wei; Xia, Junming; Xiong, Chenchen; Li, Gengchen; Li, Xiaodong; Sun, Peng; Shi, Jianbing; Tong, Bin; Cai, Zhengxu; Dong, Yuping.
Afiliación
  • Zhang Y; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Zhang W; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Xia J; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Xiong C; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Li G; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Li X; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Sun P; Advanced Research Institute of Multidisciplinary Sciences, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Shi J; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Tong B; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Cai Z; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
  • Dong Y; School of Materials Science and Engineering, Beijing Institute of Technology, 5 South Zhongguancun street, Haidian district, Beijing, 100081, P. R. China.
Angew Chem Int Ed Engl ; 62(50): e202314273, 2023 Dec 11.
Article en En | MEDLINE | ID: mdl-37885123
The development of flexible, room-temperature phosphorescence (RTP) materials remains challenging owing to the quenching of their unstable triplet excitons via molecular motion. Therefore, a polymer matrix with Tg higher than room temperature is required to prevent polymer segment movement. In this study, a RTP material was developed by incorporating a 4-biphenylboronic acid (BPBA) phosphor into a poly(vinylidene fluoride) (PVDF) matrix (Tg =-27.1 °C), which exhibits a remarkable UV-light-dependent oxygen consumption phosphorescence with a lifetime of 1275.7 ms. The adjustable RTP performance is influenced by the crystallinity and polymorph (α, ß, and γ phases) fraction of PVDF, therefore, the low Tg of the PVDF matrix enables the polymeric segmental motion upon microwave irradiation. Consequently, a reduction in the crystallinity and an increase in the α phase fraction in PVDF film induces RTP after 2.45 GHz microwave irradiation. These findings open up new avenues for constructing crystalline and phase-dependent RTP materials while demonstrating a promising approach toward microwave detection.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2023 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2023 Tipo del documento: Article Pais de publicación: Alemania