Optical enhancement in semitransparent polymer photovoltaic cells

Ging Meng Ng, Elizabeth Lekha Kietzke, Thomas Kietzke, Li Wei Tan, Pooi Kwan Liew, Furong Zhu*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

77 Citations (Scopus)


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) C60 (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 cm2.

Original languageEnglish
Article number103505
Number of pages3
JournalApplied Physics Letters
Issue number10
Publication statusPublished - 5 Mar 2007

Scopus Subject Areas

  • Physics and Astronomy (miscellaneous)


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