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Journal of Physical Chemistry & Biophysics

Journal of Physical Chemistry & Biophysics
Open Access

ISSN: 2161-0398

+44 7868 792050

Tsegaye Tadesse

Tsegaye Tadesse

Tepi
Ethiopia

Publications
  • Review Article
    Application of Conjugated Organic Polymers for Photovoltaic's: Review
    Author(s): Tsegaye TadesseTsegaye Tadesse

    Photovoltaic effect is the emergence of a voltage between electrodes attached to a solid or liquid system up on shining light on to this system. Conjugated polymer is a molecular entity whose structure is represented as a system of alternating single and double bonds which give rise to their semi-conductor properties. Conjugated polymers are used for photovoltaic devices because, intrinsically stable up on photoexcitation with visible light, High absorption cross-section for photon harvesting, Tunable band gap with in the entire visible spectral range and High yield of charge generation when mixed with electron acceptor materials. The important physical process in the energy conversion process that take place in polymers for photovoltaic cells are; Absorption of a photon of light by photoactive material and generation of excitons, diffusion of excitons in conjugated polymers, dissocia.. View More»
    DOI: 10.4172/2161-0398.1000263

    Abstract PDF

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