Photo-annealing treatment titanium chelate (TIPD) layer, which was the indium tin oxide (ITO) interface-modified layer, was used as a replacement for the thermal annealing treatment of TIPD. The power conversion efficiency (PCE) of photo-annealed TIPD-based polymer solar cells (PSCs) is quite low in the initial stage, but it dramatically increases following constant light illumination, and the cell achieves a saturated state after 9 min of light illumination. By employing the mixed films poly[1-(5-(4,8-bis(5-(2-ethylhexyl)-4-fluorothiophen-2-yl)-6-methylbenzo[1,2-b:4,5-b′]dithiophen-2-yl)thiophen-2-yl)-5,7-bis(2-ethylhexyl)-3-(5-methylthiophen-2-yl)-4H,8H-benzo[1,2-c:4,5-c′]dithiophene-4,8-dione] (PBDB-TF) and 2,2′-((2Z,2′Z)-(((4,4,9,9-tetrakis-(4-hexylphenyl)-4,9-dihydro-sindaceno[1,2-b:5,6-b’]-dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene-5,2-diyl))bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene)) dimalononitrile (IEICO-4F) as photoactive layers, we improved the photovoltaic performance. The enhanced photovoltaic performance of TIPD films treated with photo-annealing was explained by the increased short-circuit current density (J_SC). Efficient medium- and long-wavelength light transmittance and suppression of charge recombination are beneficial for enhancing the J_SC value.

光退火处理钛螯合物 (TIPD) 层，即氧化铟锡 (ITO) 界面改性层，被用作替代 TIPD 的热退火处理。光退火的 TIPD 基聚合物太阳能电池 (PSC)的功率转换效率 ( PCE ) 在初始阶段相当低，但在恒定光照后显着提高，光照 9 分钟后电池达到饱和状态. 通过使用混合膜聚[1-(5-(4,8-bis(5-(2-ethylhexyl)-4-fluorothiophen-2-yl)-6-methylbenzo[1,2-b:4,5- b']dithiophen-2-yl)thiophen-2-yl)-5,7-bis(2-ethylhexyl)-3-(5-methylthiophen-2-yl)-4H,8H-benzo[1,2-c :4,5-c']dithiophene-4,8-​​dione] (PBDB-TF) 和 2,2'-((2 Z ,2' Z)-(((4,4,9,9-tetrakis-(4-hexylphenyl)-4,9-dihydro-sindaceno[1,2- b : 5,6- b '] -dithiophene -2,7-diyl) )bis(4-((2-ethylhexyl)oxy)thiophene-5,2-diyl))bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2 ,1-二亚基)) 二丙二腈 (IEICO-4F) 作为光活性层，我们提高了光伏性能。经光退火处理的 TIPD 薄膜的光伏性能增强可以通过增加的短路电流密度 ( J _SC ) 来解释。有效的中长波透光率和抑制电荷复合有利于提高J _SC值。