A “zig-zag” naphthodithiophene core for increased efficiency in solution-processed small molecule solar cells
作者:Stephen Loser、Hiroyuki Miyauchi、Jonathan W. Hennek、Jeremy Smith、Chun Huang、Antonio Facchetti、Tobin J. Marks
DOI:10.1039/c2cc32646a
日期:——
A solution-processed small molecule utilizing a novel 4,9-bis(2-ethylhexyloxy)naphtho[1,2-b:5,6-bâ²]dithiophene âzig-zagâ core (zNDT) exhibits high hole mobility, upshifted frontier MO energies, and enhanced photovoltaic cell short-circuit currents, fill-factors, and power conversion efficiencies (4.7%) versus the linear NDT isomer.
一种通过溶液加工的小分子,利用一种新型的4,9-bis(2-ethylhexyloxy)naphtho[1,2-b:5,6-b']dithiophene“锯齿形”核心(zNDT),表现出高孔移动率、上移的前沿分子轨道能量,以及相较于线性NDT异构体的增强光伏电池短路电流、填充因子和能量转换效率(4.7%)。