Current-voltage characteristics of Au/PLiMMA/n-Si diode under ultraviolet irradiation

Au/poly (linoleic acid)-g-poly(methyl methacrylate)(PLiMMA)/n-Si diode was fabricated and current-voltage (I-V) characteristics of this diode were measured in dark and under 365nm ultra violet (UV) irradiation at room temperature. Main electrical parameters; such as leakage current (Io), ideality fa...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 2017-04, Vol.103, p.197-200
Main Authors: Çulcu, Hayat, Gökçen, Muharrem, Allı, Abdulkadir, Allı, Sema
Format: Article
Language:English
Subjects:
Electrical properties
Graft copolymer
Schottky diode
Surface states density
UV irradiation
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Summary:Au/poly (linoleic acid)-g-poly(methyl methacrylate)(PLiMMA)/n-Si diode was fabricated and current-voltage (I-V) characteristics of this diode were measured in dark and under 365nm ultra violet (UV) irradiation at room temperature. Main electrical parameters; such as leakage current (Io), ideality factor (n), zero-bias barrier height (ΦBo) and surface states density (Nss) were calculated using thermionic emission theory to obtain UV irradiation intensity dependence of these parameters. Also alternatively n, barrier height (ΦB) and series resistance (Rs) was calculated by Cheung&Cheung method. These alternatively obtained values were given and compared with the literature. •PLiMMA graft copolymer for its usage in metal-polymer-semiconductor type diodes was investigated.•Main electrical parametres of the diode was obtained in dark and UV irradiation.•Thermionic emission theory and alternatively Cheung&Cheung method were used.•Especially it is obtained that leakage current and series resistance are strongly influenced from irradiation.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2016.12.028