浏览全部资源
扫码关注微信
1. 长春师范大学 物理学院,吉林 长春,130032
2. 中国科学院长春应用化学研究所 高分子物理与化学国家重点实验室,吉林 长春,130022
纸质出版日期:2014-11-3,
收稿日期:2014-7-21,
修回日期:2014-8-30,
扫 描 看 全 文
于立军, 贺小光, 王宁等. 基于一种简单的光退火方法的高效倒置型聚合物太阳电池[J]. 发光学报, 2014,35(11): 1349-1353
YU Li-jun, HE Xiao-guang, WANG Ning etc. Efficient Inverted Polymer Solar Cells Based on A Simple Photo-annealing Method[J]. Chinese Journal of Luminescence, 2014,35(11): 1349-1353
于立军, 贺小光, 王宁等. 基于一种简单的光退火方法的高效倒置型聚合物太阳电池[J]. 发光学报, 2014,35(11): 1349-1353 DOI: 10.3788/fgxb20143511.1349.
YU Li-jun, HE Xiao-guang, WANG Ning etc. Efficient Inverted Polymer Solar Cells Based on A Simple Photo-annealing Method[J]. Chinese Journal of Luminescence, 2014,35(11): 1349-1353 DOI: 10.3788/fgxb20143511.1349.
介绍了一种简单的光退火提高倒置型聚合物太阳电池效率的方法。通过采用易于溶液加工的Cs
2
CO
3
作为电子传输层
在光退火15 min之后
器件的光电转换效率达到了8.35%
其中短路电流密度为15.8 mA/cm
2
开路电压为0.76 V
填充因子为69.5%。该填充因子是目前基于PTB7聚合物太阳电池的最高填充因子。X射线光电子能谱结果显示
Cs
2
CO
3
在光退火的过程中转变为了Cs
2
O与CO
2
。为了验证该机制
采用不同辐照时间的Cs
2
CO
3
作为电子传输层
所得到的光伏器件的效率几乎与光退火时相同。此外
通过真空热蒸发Cs
2
CO
3
作为电子传输层
也几乎得到了和光退火条件下同样的光电转换效率。上述结论证明光退火是一种非常有效的、简单的提高聚合太阳电池效率的方法。
An interesting photo-annealing phenomenon has been successfully demonstrated in polymer solar cells (PSCs) with an inverted device architecture by employing solution processable Cs
2
CO
3
as electron extraction layer. As the photo-annealing time attained 15 min
the PSC device harvested a high power conversion efficiency (PCE) of 8.35% with a short-circuit current density of 15.8 mA/cm
2
an open-circuit voltage of 0.76 V and a fill factor of 69.5%. It is worth mentioning that this fill factor is among the highest values in all reported BHJ devices based on PTB7. X-ray photoelectron spectroscopy results reveal that the photo-annealing phenomenon derived from the transformation of Cs
2
CO
3
into Cs
2
O and CO
2
during photo irradiation. This evidence was further verified in PSCs by employing four-week-irradiation Cs
2
CO
3
solution as electron extraction layer. By using the irradiated Cs
2
CO
3
solution
the PSC devices did not show photo-annealing phenomenon and presented almost the same device performance in comparison with those photo-annealing devices. The results indicate that this photo-annealing phenomenon is very meaningful for the realization of future high-performance all-solution processed PSCs.
光退火聚合物太阳电池溶液加工碳酸铯
photo annealingpolymer solar cellssolution processableCs2CO3
Alsema E. Energy payback time and CO2 emissions of PV systems [J]. Progress in Photovoltaics: Research and Applications, 2000, 8:17-25.
Krebs F C, Tromholt T, J? rgensen M. Upscaling of polymer solar cell fabrication using full roll-to-roll processing [J]. Nanoscale, 2010, 2:873-886.
Hu Z Q, Qin Y, Jiang Y Y, et al. Preparation of spinel CoAl2O4 nanopowders and their applications to DSSC [J]. Opt. Precision Eng.(光学 精密工程), 2013, 21(8):2016-2022 (in Chinese).
Patel J, Mighri F, Ajji A, et al. Nanostructured materials for advanced energy conversion and storage devices [J]. Nano Energy, 2014, 5:36-39.
Li C, Zhang T, Xue W, et al. Effects of cathode buffer layer on the performance of P3HT:PCBM-based photovoltaic devices annealed under various ambient pressures [J]. Chin. J. Lumin.(发光学报), 2012, 33(2):221-226 (in Chinese).
He Z, Zhong C, Su S, et al. Enhanced power-conversion efficiency in polymer solar cells using an inverted device structure [J]. Nat. Photon., 2012, 6:591-595.
Pu N N, Li H R, Shen Z L, et al. Effect of TiOx on the performance of polymer solar cells [J]. Chin. J. Lumin. (发光学报), 2013, 34(5):600-604 (in Chinese).
Hauch J A, Schilinsky P, Choulis S A, et al. ITO-free flexible organic solar cells with printed current collecting grids [J]. Sol. Energ. Mat. Sol. C, 2008, 92:727-732.
Liao H H, Chen L M, Xu Z, et al. ZnO nano-ridge structure and its application in inverted polymer solar cell [J]. Appl. Phys. Lett., 2008, 92(17):173303-1-3.
Huo L, Zhang S, Guo X, et al. Dual plasmonic nanostructures for high performance inverted organic solar cells [J]. Angew. Chem. Int. Ed., 2011, 50:9697-9700.
Carley A, Roberts M, Santra A. An easily accessible isoindigo-based polymer [J]. J. Phys. Chem. B, 1997, 101:9978-9982.
Wang L J, Zhang W, Qin H T, et al. Influence of solution-processed conditions on polymer bulk heterojunction solar cell performance [J]. Chin. J. Liq. Cryst. Disp.(液晶与显示), 2013, 28(4):521-526 (in Chinese).
Li Y, Zhang D Q, Duan L, et al. Elucidation of the electron injection mechanism of evaporated cesium carbonate cathode interlayer for organic light-emitting diodes [J]. Appl. Phys. Lett., 2007, 90(1):012119-1-3.
Chen S Y, Chu T Y, Chen J F, et al. Comparative study of single and multiemissive layers in inverted white organic light-emitting devices [J]. Appl. Phys. Lett., 2006, 89(5):053518-1-3.
0
浏览量
42
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构