Illumination and voltage effects on the forward and reverse bias current-voltage (I-V) characteristics in In/In2S3/p-Si photodiodes

Date

2021-08-18

Author

Yukselturk, Esra
Surucu, Ozge
Terlemezoglu, Makbule
Parlak, Mehmet
ALTINDAL, ŞEMSETTİN

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The illumination and voltage effects on the I-V measurements of the fabricated In/In2S3/p-Si photodiode were investigated in dark and under various illumination intensities (20-100 mW/cm(2)) between +/- 2 V. Two linear regions in the forward-bias ln(I)-V plots were observed. The value of diode ideality factor (n) had an increasing trend with increasing illumination intensity while the barrier height (phi(Bo)) had a decreasing trend due to the increase of photocurrent. The photodiode properties were also investigated, and the value of linear-dynamic value range (LDR) was found to be 20.56 dB. The photoresponse (I-ph/I-dark), the photoresponsivity (R), and specific detectivity (D*) of the photodiode were calculated as a function of the illumination. The open-circuit voltage (V-oc) and short-current (I-sc) were found to be 0.36 V and 2.87 mA under 100 mW.cm(-2) illumination intensity, respectively. The possible conduction mechanisms (CMs) were investigated using the forward ln(I)-V and reverse ln(I)-V-0.5 plots. The energy-dependent surface states (N-ss) profile was extracted from the positive I-V data by considering voltage-dependent barrier height (BH) and ideality factor (n) in dark and illumination at 100 mW/cm(2).

URI

https://hdl.handle.net/11511/92011

Journal

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS

DOI

https://doi.org/10.1007/s10854-021-06378-4

Collections

Department of Physics, Article

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Citation Formats

E. Yukselturk, O. Surucu, M. Terlemezoglu, M. Parlak, and Ş. ALTINDAL, “Illumination and voltage effects on the forward and reverse bias current-voltage (I-V) characteristics in In/In2S3/p-Si photodiodes,” JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, pp. 21825–21836, 2021, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/92011.