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Merck

Formation of organic crystalline nanopillar arrays and their application to organic photovoltaic cells.

ACS applied materials & interfaces (2011-01-05)
Masaya Hirade, Hajime Nakanotani, Masayuki Yahiro, Chihaya Adachi
RESUMO

To enhance the performance of organic photovoltaic (OPV) cells, preparation of organic nanometer-sized pillar arrays is fascinating because a significantly large area of a donor/acceptor heterointerface having continuous conduction path to both anode and cathode electrodes can be realized. In this study, we grew cupper phthalocyanine (CuPc) crystalline nanopillar arrays by conventional thermal gradient sublimation technique using a few-nanometer-sized trigger seeds composed of a CuPc and 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) stacked layer. We optimized the pillar density by tuning crystal growth condition in order to apply it to OPV cells.

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Sigma-Aldrich
Copper(II) phthalocyanine, Dye content >99 %
Sigma-Aldrich
Copper(II) phthalocyanine, sublimed grade, Dye content 99 %
Sigma-Aldrich
Copper(II) phthalocyanine, β-form, Dye content 90 %
Sigma-Aldrich
Copper(II) phthalocyanine, triple-sublimed grade, >99.95% trace metals basis