以苯并[1,2- b:4,5- b ']二噻吩和苯并[1,2- b:4,5- b ']二呋喃为噻吩并噻吩并[3,3] ,合成了四种新的供体-受体共聚物。将4- b ]噻吩用作受体构件。进行了系统的研究,以确定供体-受体共聚物中不同杂原子组合的影响。在本体异质结太阳能电池中,在给电子单元中具有所有呋喃结构单元的聚合物聚[(4,8-双(5-十二烷基-2-呋喃基)苯并[1,2- b:4,5- b ' ]二呋喃-2-基) - ALT - (2-乙基-1-(-3-氟[3,4 b ]噻吩-2-基)-1-己酮)](P4)(M n = 66.7 kDa),实现了5.23%的最高功率转换效率。
A direct synthesis of 4,8-functionalized benzo[1,2-b:4,5-b′]difurans was developed for organic electronics, with a power conversion efficiency 4.61% for polymer solar cells.
Benzodifuran and benzodithiophene donor–acceptor polymers for bulk heterojunction solar cells
作者:Peishen Huang、Jia Du、Samodha S. Gunathilake、Elizabeth A. Rainbolt、John W. Murphy、Kevin T. Black、Diego Barrera、Julia W. P. Hsu、Bruce E. Gnade、Mihaela C. Stefan、Michael C. Biewer
DOI:10.1039/c5ta00936g
日期:——
used as the acceptor building block. A systematic study was performed to determine the influence of the combinations of different heteroatoms in the donor–acceptor copolymer. In bulkheterojunctionsolarcells, the polymer with all furan building blocks in the electron donating units, poly[(4,8-bis(5-dodecyl-2-furanyl)benzo[1,2-b:4,5-b′]difuran-2-yl)-alt-(2-ethyl-1-(3-fluorothieno[3,4-b]thiophen-2-yl)-1-hexanone)]
以苯并[1,2- b:4,5- b ']二噻吩和苯并[1,2- b:4,5- b ']二呋喃为噻吩并噻吩并[3,3] ,合成了四种新的供体-受体共聚物。将4- b ]噻吩用作受体构件。进行了系统的研究,以确定供体-受体共聚物中不同杂原子组合的影响。在本体异质结太阳能电池中,在给电子单元中具有所有呋喃结构单元的聚合物聚[(4,8-双(5-十二烷基-2-呋喃基)苯并[1,2- b:4,5- b ' ]二呋喃-2-基) - ALT - (2-乙基-1-(-3-氟[3,4 b ]噻吩-2-基)-1-己酮)](P4)(M n = 66.7 kDa),实现了5.23%的最高功率转换效率。