Optical enhancement in semitransparent polymer photovoltaic cells

被引：71

作者：

Ng, Ging-Meng ^{[1
]}

Kietzke, Elizabeth Lekha ^{[1
]}

Kietzke, Thomas ^{[1
]}

Tan, Li-Wei ^{[1
]}

Liew, Pooi-Kwan ^{[1
]}

Zhu, Furong ^{[1
]}

机构：

[1] Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 10期

关键词：

D O I：

10.1063/1.2711657

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This letter reports our efforts to improve the power conversion efficiency (PCE) and the optical transparency of semitransparent poly(3-hexylthiophene) (P3HT):1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C-60 (PCBM) based photovoltaic (PV) cells. Semitransparent P3HT:PCBM based solar cells were prepared based on parameters obtained by optical admittance analysis. The performance of structurally identical polymer PV cells made with a reflective calcium/silver cathode and a semitransparent Ca(10 nm)/Ag(10 nm)/indium tin oxide cathode are compared. For semitransparent polymer PV cells with a 75 nm thick active P3HT:PCBM blend layer, an average transmission of more than 30% was achieved with a high PCE of 1.7% under simulated AM1.5G illumination of 100 mW/cm(2). (c) 2007 American Institute of Physics.

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