activity
20032023
most citedNonexponetial relaxation of photoinduced conductance in organic field effect transistor

51 citations · 95 across the 8 of their papers we have counts for

collaborators

8 papers

physics.chem-ph2023

Giant conductance of PSS:PEDOT micro-surfaces induced by microbubble lithography

Anand Dev Ranjan, Rakesh Sen, Sumeet Kumar +5

We provide direct evidence of the effects of interface engineering of various substrates by Microbubble lithography (MBL). We choose a model organic plastic (or polymer) poly(3,4-e…

physics.app-ph2022★ 5 cited

Nature of excitons in PPDT2FBT: PCBM solar cell: Role played by PCBM

Subhamoy Sahoo, Dhruvajyoti Barah, Dinesh Kumar S +4

In organic semiconductor based bulk heterojunction solar cells, the presence of acceptor increases the formation of charge transfer (CT) excitons, thereby leading to higher exciton…

physics.app-ph2020

Identification of the nature of excitons in PPDT2FBT using electroabsorption spectroscopy

Subhamoy Sahoo, Rajdeep Dhar, Sanjoy Jena +3

Electroabsorption (EA) measurements can be used to identify the type of excitons contributing to the absorption spectra of semiconductors which have applications in optoelectronics…

cond-mat.soft2020

Pitch-rotational manipulation of single cells and particles using single-beam thermo-optical tweezers

Sumeet Kumar, M. Gunaseelan, Rahul Vaippully +5

3D pitch rotation of microparticles and cells assumes importance in a wide variety of applications in biology, physics, chemistry and medicine. Applications such as cell imaging an…

cond-mat.mes-hall2018★ 14 cited

Modeling of Organic Metal-Insulator-Semiconductor Capacitor

Prashanth Kumar Manda, Logesh Karunakaran, Sandeep Thirumala +2

In this paper, we demonstrate the principle of operation of a metal-insulator-semiconductor (MIS) capacitor based on undoped organic semiconductor. In spite of low charge concentra…

physics.app-ph2018★ 1 cited

Analytical and numerical modeling of capacitance voltage characteristics of organic solar cells

Prashanth Kumar Manda, Soumya Dutta

We report a charge based model to establish the analytical equation, describing the nature of capacitance-voltage (-) characteristics of organic solar cells under dark condit…