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A Study of the Relationship Analysis of Power Conversion and Changed Capacitance in the Depletion Region of Silicon Solar Cell

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Author(s): Do-Kyeong Kim | Yeong-Jun Oh | Sang-Hyun Kim | Kyeong-Jin Hong | Haeng-Yeon Jung | Hoy-Jin Kim | Myeong-Seok Jeon

Journal: Transactions on Electrical and Electronic Materials
ISSN 1229-7607

Volume: 14;
Issue: 4;
Start page: 177;
Date: 2013;
Original page

Keywords: Silicon solar cell | Alternating current(AC) | Frequency band | Square wave | Open voltage | Short current | Capacitance

ABSTRACT
In this paper, silicon solar cells are analyzed regarding power conversion efficiency by changed capacitance in thedepletion region. For the capacitance control in the depletion region of silicon solar cell was applied for 10, 20, 40,80, 160 and 320 Hz frequency band character and alternating current(AC) voltage with square wave of 0.2~1.4 V.Academically, symmetry formation of positive and negative change of the p-n junction is similar to the physical effectof capacitance. According to the experiment result, because input of square wave with alternating current(AC) voltagecould be observed to changed capacitance effect by indirectly method through non-linear power conversion (Voltage-Current) output. In addition, when input alternating current(AC) voltage in the silicon solar cell, changed capacitanceof depletion region with the forward bias condition and reverse bias condition gave a direct effect to the chargemobility.
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