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Charge generation and photovoltaic properties of hybrid solar cells based on ZnO and copper phthalocyanines (CuPc) by G.D. Sharma; Raj Kumar; Shailendra Kumar Sharma; M.S. Roy is a Engineering article available to read on EtoBox.

What is Charge generation and photovoltaic properties of hybrid solar cells based on ZnO and copper phthalocyanines (CuPc) about?

Photovoltaic properties and charge transfer process within the blend of p-type organic semi conducting copper phthalocyanine (CuPc) and inorganic n-type semiconductor zinc oxide (ZnO) nanoparticle have been determined. The photo-induced electron transfer mechanism in the composite thin film structure is predicted on the basis of its optical absorption behavior, photo-action spectra and photoluminescence (PL) characteristics, supported by currentvoltage characteristics in dark and under illumination. An efficient electron transfer between donor (CuPc) and acceptor (ZnO) nanoparticle is explained by analyzing the photo-action spectra of the device and respective quenching of photoluminescence (PL) in composite thin film structure. The increase in photocurrent in composite blend based device is justified in terms of formation of bulk heterojunction between CuPc and ZnO nanoparticles. Also, the subsequent increase in photovoltaic response is ascribed to the formation of interconnecting network in between CuPc and ZnO nanoparticles. Our experimental results supports that photo-generation of charge carriers is induced by the production of excitons and their subsequent dissociation of int

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Author

G.D. Sharma; Raj Kumar; Shailendra Kumar Sharma; M.S. Roy

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0927-0248)

Published

2006

Language

EN

Field

Engineering (Physical Sciences)