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Temperature dependent transport properties of CuInSe2-ZnO heterostructure solar Cell

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Experimental study of dc and ac transport properties of CuInSe2/ZnO heterostructure is presented. The current-voltage (I-V) and frequency dependent capacitance (C-f) characteristics of CuInSe2/ZnO heterostructure were investigated in the temperature range 160-393 K. The heterostructure showed non-ideal behavior of I-V characteristics with an ideality factor of 3.0 at room temperature. Temperature dependent dc conductivity studies exhibited Arrhenius type behavior and revealed the presence of trap level. The C-2-V plot measured at frequency 50 kHz had shown non-linear behavior. An increase in capacitance with temperature was observed. The capacitance-frequency characteristics exhibited a transition between low frequency and the high frequency capacitance. As the temperature was lowered the transition occurred at lower frequencies. The frequency and temperature dependent device capacitance had shown a defect state having activation energy of 108 meV.

    Original languageEnglish
    Pages (from-to)1636-1642
    Number of pages7
    JournalJournal of Physics and Chemistry of Solids
    Volume67
    Issue number8
    DOIs
    Publication statusPublished - 01-08-2006

    All Science Journal Classification (ASJC) codes

    • General Chemistry
    • General Materials Science
    • Condensed Matter Physics

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