Research Interest
Charge transport in disordered systems.
Publications
Sougata Mandal and Reghu Menon, J. Phys. D: Appl. Phys. 53 215105 (2020).
Embedded Files
Impedance response of undoped P3HT
Impedance response of doped P3HT
Current-Voltage characteristics and complete Lampert Triangle formation on PEDOT devices.
Current-Voltage characteristics and complete Lampert Triangle formation on PEDOT devices.
Temperature dependent Impedance response of PEDOT devices.
Electric field induced negative capacitance in semiconducting polymer.
Sougata Mandal and Reghu menon, Journal of Applied Physics 133 095102 (2023).
Left: Two probe I−V characteristics of regioregular P3HT. Inset shows the I − V data and onset of SCLC at V = 0.54.
Right: The variation of current with electric field of regioregular P3HT sample. Inset shows schematic of measurements and the differentiation of current for varying voltage (dI/dV ). It shows onset of SCLC is at V = 0.5
Electric field dependent (a) capacitance (b) dielectric loss values of regioregular P3HT at varying frequencies. The same schematic is used for capacitance measurement by varying electric field as shown in inset of above Figure; Inset shows the equivalent model [in Fig. (a)] and instrument measurement mode [in Fig. (b)]
Poster and Oral Presentations
Poster Presentations
Department of Physics In-house Symposium 2019, November 22-23, 2019, Indian Institute of Science, Bangalore, India.
XXth International Workshop on Physics and Semiconductor Devices: IWPSD-2019, December 17-20, 2019 Kolkata, India.
Oral Presentations
Department of Physics, In-house Symposium 2023, February 24-25, 2023, Indian Institute of Science, Bangalore, India.
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