標題: | Hole transit in P3HT:PCBM solar cells with embedded gold nanoparticles |
作者: | Cheng, Cheng-En Pei, Zingway Hsu, Chia-Chen Chang, Chen-Shiung Chien, Forest Shih-Sen 光電工程學系 Department of Photonics |
關鍵字: | Polymer solar cells;Gold nanoparticles;Hole transit;Impedance spectroscopy |
公開日期: | 1-二月-2014 |
摘要: | The electrical properties of polymer solar cells (PSCs) with gold nanoparticles (AuNPs) embedded in the hole transport layers (Hits) were investigated. The PSCs with AuNP-embedded HTLs exhibited 8%, 9.5%, and 22% enhancement in short-circuit current density, open-circuit voltage, and power conversion efficiency, respectively. The low contact resistance at the active layer/Hit interface resulted in the high collection efficiency and low electron-hole recombination. The downshift of the Fermi energy in AuNP-embedded HTLs lowered the energy barrier and thinned the depletion layer at the active layer/HTL interface, accounting for the enhanced collection efficiency. (C) 2013 Elsevier B.V. All rights reserved. |
URI: | http://dx.doi.org/10.1016/j.solmat.2013.10.017 http://hdl.handle.net/11536/23820 |
ISSN: | 0927-0248 |
DOI: | 10.1016/j.solmat.2013.10.017 |
期刊: | SOLAR ENERGY MATERIALS AND SOLAR CELLS |
Volume: | 121 |
Issue: | |
起始頁: | 80 |
結束頁: | 84 |
顯示於類別: | 期刊論文 |