Effect of PVP-Capped ZnO Nanoparticles with Enhanced Charge Transport on the Performance of P3HT/PCBM Polymer Solar Cells

被引：21
|
作者：
Kim, OkSik [1 ]
Kwon, JinBeom [1 ]
Kim, SaeWan [1 ]
Xu, Binrui [1 ]
Seo, KyeongHo [1 ]
Park, CheolEon [2 ]
Do, WooJong [3 ]
Bae, JinHyuk [1 ]
Kang, ShinWon [1 ]
机构：
[1] Kyungpook Natl Univ, Sch Elect Engn, Coll IT Engn, 1370 Sankyuk Dong, Daegu 702701, South Korea
[2] Korea Inst Sci & Technol, Ctr Robot Res, 5 Hwarang Ro 14 Gil, Seoul 02792, South Korea
[3] Kyungpook Natl Univ, Dept Sensor & Display Engn, 1370 Sankyuk Dong, Daegu 702701, South Korea
来源：
POLYMERS | 2019年 / 11卷 / 11期
基金：
新加坡国家研究基金会;
关键词：
polymer solar cells; bulk-heterojunction; ZnO; surface modulation; polyvinyl pyrrolidone; PVP; oxygen; BULK-HETEROJUNCTION; OPTICAL-PROPERTIES; THIN-FILM; EFFICIENT; LAYER; OXIDE; SINGLE; MOO3;
D O I：
10.3390/polym11111818
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We attempted surface modification in ZnO nanoparticles (NPs) synthesized by the sol-gel process with polyvinyl pyrrolidone (PVP) applied to bulk-heterojunction polymer solar cells (PSCs) as an electron transport layer (ETL). In general, ZnO NPs have trap sites due to oxygen vacancies which capture electrons and degrade the performance of the PSCs. Devices with six different PVP:Zn ratios (0.615 g, 1.230 g, 1.846 g, 2.460 g, 3.075 g, and 3.690 g) were fabricated for surface modification, and the optimized PVP:Zn ratio (2.460 g) was found for PSCs based on P3HT/PCBM. The power conversion efficiency (PCE) of the fabricated PSCs with PVP-capped ZnO exhibited a significant increase of approximately 21% in PCE and excellent air-stability as compared with the uncapped ZnO-based PSCs.
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页数：10
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