Pt/CdTe/Pt asymmetric nano-Schottky diodes from colloidal quantum dots | Zendy

Jayakrishna Khatei | Zendy; K. S. R. Koteswara Rao | Zendy

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Pt/CdTe/Pt asymmetric nano-Schottky diodes from colloidal quantum dots

Author(s) -

Jayakrishna Khatei,

K. S. R. Koteswara Rao

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3669408

Subject(s) - schottky diode , quantum dot , materials science , diode , optoelectronics , cadmium telluride photovoltaics , nano , asymmetry , schottky barrier , electrode , semiconductor , metal , chemistry , physics , composite material , quantum mechanics , metallurgy

We have fabricated nano-Schottky diodes of CdTe QDs with platinum metal electrodes in metal-semiconductor-metal planar configuration by drop-casting. The observed high value of ideality factor (13.3) of the diode was possibly due to the presence of defects in colloidal QDs. We observed asymmetry and non-linear nature of I-V characteristics between forward and reverse directions, which has been explained in terms of size distributions of quantum dots due to coffee ring effect

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