文献类型：期刊文献

英文题名：A facile and versatile platform for preparing uniform π-conjugated nanofibers with controlled length and varying shells

作者：Xiang, Bo[1];Wu, Hongluo[1];Chen, Rang[1];Huang, Xiaoyu[1,2];Lu, Guolin[1];Feng, Chun[1,3]

机构：[1]Univ Chinese Acad Sci, Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Synthet & Selfassembly Chem Organ Funct Mo, 345 Lingling Rd, Shanghai 200032, Peoples R China;[2]Macau Univ Sci & Technol, Fac Med, Macau 999078, Peoples R China;[3]East China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat, 130 Meilong Rd, Shanghai 200237, Peoples R China

年份：2024

卷号：15

期号：41

起止页码：4231

外文期刊名：POLYMER CHEMISTRY

收录：;EI(收录号：20244117175505);WOS:【SCI-EXPANDED(收录号:WOS:001322553000001)】；

基金：The authors are thankful for financial support from the National Natural Science Foundation of China (52122314, U22A20131, 52173014 and 52361165657), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB0590000) and the Shanghai Scientific and Technological Innovation Project (22JC1401000 and 22ZR1475400). The authors thank Dr Kun Cui for his assistance with TEM measurements.

语种：英文

外文关键词：Biomineralization - Halogenation - Medical nanotechnology - Methyl ester - Nanofibers - Reduction - Surface chemistry

摘要：The development of facile, efficient and versatile approaches for preparing pi-conjugated-polymer-based nanofibers (CPNFs) with controlled length, composition and surface chemistry is of paramount importance due to the promising applications of CPNFs in fields ranging from electronics to nanomedicine. In this article, we report the generation of uniform CPNFs consisting of a pi-conjugated oligo(p-phenylenevinylene) (OPV5) core and coronas of diverse properties with controllable length by the combination of activated-ester/amine chemistry and a self-seeding approach of living crystallization-driven self-assembly (CDSA). Poly(pentafluorophenyl methacrylate) (PPFMA) is used as a versatile precursor to efficiently prepare diverse corona-forming segments by "click-type" activated-ester/amine chemistry. Subsequently, amine-based 18-crown-ether-6 (18C6) and dimethylamino (DMA) groups used as model functional moieties were treated with the pentafluorophenyl esters of PPFMA, followed by coupling with OPV5 to afford OPV5-containing BCPs with varying corona-forming segments. By the self-seeding approach of living CDSA, uniform fiber-like micelles with either 18C6- or DMA-based coronas with controlled length can be obtained. The 18C6 and DMA units enable the installation of diverse functional units, such as metal ions, metal clusters, metal nanoparticles, chiral amines and porphyrins. This work presents a facile and versatile platform to generate uniform CPNFs with controlled length and varying functionalities. A versatile and facile platform is developed for the generation of uniform pi-conjugated nanofibers with controlled length and varying shells by the combination of pentafluorophenyl ester chemistry and a self-seeding strategy.