Tetrahydroquinoxaline Based Small Molecule: PCBM Bulk Heterojunction Solar Cell

被引：2
|
作者：
Sharma, S. S. [1 ]
Sharma, G. D. [2 ]
Subodh [3 ]
Sharma, Sarla [3 ]
Vijay, Y. K. [3 ]
机构：
[1] Govt Women Engn Coll, Dept Phys, Ajmer 305002, Rajasthan, India
[2] Jai Narain Vyas Univ, Dept Phys, Mol Elect & Optoelect Device Lab, Jodhpur 342005, Rajasthan, India
[3] Univ Rajasthan, Dept Phys Thin Film & Membrane Sci Lab, Jaipur 302004, Rajasthan, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
Bulk heterojunction solar cells; Small molecule; PCBM; Power conversion efficiency; EFFICIENCY;
D O I：
10.1063/1.3605932
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have fabricated solution processed bulk heterojuction (BHJ) solar cell from small molecule (SM) as donor blended with PCBM as an acceptor. The BHJ showed power conversion efficiency (PCE) up to 2.80 %. The PCE has been further improved up to 3.80 % after thermal annealing of the SM: PCBM layer. The higher PCE of the photovoltaic devices based on the thermal annealed SM: PCBM blend as compared to SM: PCBM blend is attributed to the increase in the crystalline nature of the blend and hole mobility. The thermal annealing allows not only a broad absorption but also tuning of the inter energy level leading to a higher short circuit current (Jsc) and open circuit voltage (Voc).
引用
收藏
页码：459 / +
页数：2
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