A water-soluble metallophthalocyanine derivative as a cathode interlayer for highly efficient polymer solar cells

A novel organic small molecule water-soluble poly- N -alkylpyridine substitued metallophthalocyanine derivative VOPc(OPyCH 3 I) 8 , namely 2,3,9,10,16,17,23,24-octakis-[ N -methyl-(3-pyridyloxy)] vanadylphthalocyanine iodide (1 : 8), was synthesized and applied in polymer solar cells (PSCs). Notably...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 2; no. 31; pp. 12484 - 12491
Main Authors Cheng, Xiao, Sun, Shuheng, Chen, Youchun, Gao, Yajun, Ai, Lin, Jia, Tao, Li, Fenghong, Wang, Yue
Format Journal Article
LanguageEnglish
Published 01.01.2014
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Summary:A novel organic small molecule water-soluble poly- N -alkylpyridine substitued metallophthalocyanine derivative VOPc(OPyCH 3 I) 8 , namely 2,3,9,10,16,17,23,24-octakis-[ N -methyl-(3-pyridyloxy)] vanadylphthalocyanine iodide (1 : 8), was synthesized and applied in polymer solar cells (PSCs). Notably, a power conversion efficiency (PCE) of 8.12% for the working area of 2 × 2 mm 2 and a PCE of 7.23% for the working area of 4 × 4 mm 2 have been achieved in the PSCs with this molecule as a cathode interlayer. They are comparable with the higher values of PCE of the PSCs reported currently, indicating that VOPc(OPyCH 3 I) 8 is a new promising candidate as a good cathode interlayer for highly efficient PSCs.
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ISSN:2050-7488
2050-7496
DOI:10.1039/C4TA01586J