功能性共軛多孔聚合物材料
發(fā)布時間:2018-04-11 11:28
本文選題:二維高分子 + 多孔聚合物; 參考:《高分子學報》2016年12期
【摘要】:有機多孔聚合物(organic porous polymers,OPPs)材料是一類由強共價鍵將不同幾何構(gòu)型的有機分子砌塊鏈接而成的多維度的多孔網(wǎng)絡(luò)骨架材料,近年來成為多孔材料發(fā)展的一個新方向.按其結(jié)構(gòu)的有序程度劃分,OPPs包括無定型(如CMPs,HCPs,PIMs,PAFs等)和晶態(tài)(如COFs,CTFs)多孔聚合物兩大類.因具有質(zhì)輕、較大的比表面積、優(yōu)異的多孔特性、穩(wěn)定性好、結(jié)構(gòu)與功能可預(yù)先設(shè)計和精確調(diào)控等優(yōu)點,OPPs在氣體存儲/分離,非均相催化,光電轉(zhuǎn)換,化學/生物傳感,能量存儲與轉(zhuǎn)換等諸多領(lǐng)域有著廣泛的應(yīng)用前景.基于"自下而上"的構(gòu)筑策略,以一種或多種具有特定功能的有機共軛分子為構(gòu)筑單元,通過其分子間的自聚或共聚來實現(xiàn)二維、三維共軛高分子網(wǎng)絡(luò)的可控構(gòu)筑,發(fā)展了一系列具有優(yōu)異光電、催化性能的功能性有機骨架材料.本文總結(jié)了近年來作者所在課題組報道的以功能性共軛有機分子為反應(yīng)單元,自下而上構(gòu)筑共軛多孔聚合物材料的戰(zhàn)略和方法,主要探索了其結(jié)構(gòu)特征以及在光電轉(zhuǎn)換和非均相催化領(lǐng)域等的初步應(yīng)用.
[Abstract]:Organic porous porous polymers (OPPs) are a kind of multi-dimensional porous network skeleton materials which are made up of organic molecular blocks with different geometric configurations by strong covalent bonds. It has become a new direction in the development of porous materials in recent years.According to the order of its structure, OPPs can be divided into two categories: amorphous (such as CMP sn HCPsPIMsPIMsPPAFs) and crystalline (such as COFsCT-Fs) porous polymers.Because of its advantages of light weight, large specific surface area, excellent porous properties, good stability, structure and function can be designed in advance and accurately regulated, OPPs can be used in gas storage / separation, heterogeneous catalysis, photoelectric conversion, chemical / biological sensing, etc.Energy storage and conversion are widely used in many fields.Based on the "bottom-up" construction strategy, one or more organic conjugated molecules with specific functions are used as building units to realize the controllable construction of two-dimensional and three-dimensional conjugated polymer networks by self-polymerization or copolymerization of their molecules.A series of functional organic skeleton materials with excellent photovoltaic and catalytic properties have been developed.In this paper, the strategies and methods of constructing conjugated porous polymer materials from bottom to top with functional conjugated organic molecules as reaction units reported by the authors in recent years are summarized.Its structural characteristics and preliminary applications in photovoltaic conversion and heterogeneous catalysis are explored.
【作者單位】: 天津大學化學系天津市分子光電科學重點實驗室;School
【基金】:國家自然科學基金(基金號51522303) 超分子結(jié)構(gòu)與材料國家重點實驗室(吉林大學)開放課題基金(基金號SKLSSM201606)資助項目
【分類號】:TB383.4
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