18 citations · 58 across the 13 of their papers we have counts for
13 papers
Optimization and effect of UV-ozone exposure of electron transport layer on the efficiency of the dye-sensitized solar cells
Chandan Dawo, Mohammad Adil Afroz, Parameswar Krishnan Iyer +1
The surface states of the active TiO2 layer is crucial while fabricating an efficient solar cell. This work experimentally analyses the effect of exposing TiO2 based electron trans…
Critical Scaling and Aging near the Flux Line Depinning Transition
Harshwardhan Chaturvedi, Ulrich Dobramysl, Michel Pleimling +1
We utilize Langevin molecular dynamics simulations to study dynamical critical behavior of magnetic flux lines near the depinning transition in type-II superconductors subject to r…
Interdigitated flexible supercapacitor using activated carbon synthesized from biomass for wearable energy storage
Ankit Singh, Kaushik Ghosh, Sushil Kumar +4
We have developed a flexible, interdigitated supercapacitor with high energy storing capacity for wearable, flexible electronic application. Locally obtained low cost biomass (bana…
Dynamical regimes of vortex flow in type-II superconductors with parallel twin boundaries
Harshwardhan Chaturvedi, Nathan Galliher, Ulrich Dobramysl +2
We explore the dynamics of driven magnetic flux lines in disordered type-II superconductors in the presence of twin boundaries oriented parallel to the direction of the applied mag…
Light-triggered on/off-switchable bioelectronic FET device
Vikram Bakaraju, E. Senthil Prasad, Harsh Chaturvedi
We report fabrication of an optically active, bio-electronic device based on thin film of purple membrane and single walled carbon nanotubes (SWNT). Two dimensional (2D) crystals o…
Flux line relaxation kinetics following current quenches in disordered type-II superconductors
Harshwardhan Chaturvedi, Hiba Assi, Ulrich Dobramysl +2
We investigate the relaxation dynamics of magnetic vortex lines in type-II superconductors following rapid changes of the external driving current by means of an elastic line model…
Structural Relaxation and Aging Scaling in the Coulomb and Bose Glass Models
Hiba Assi, Harshwardhan Chaturvedi, Michel Pleimling +1
We employ Monte Carlo simulations to study the relaxation properties of the two-dimensional Coulomb glass in disordered semiconductors and the three-dimensional Bose glass in type-…
Disordered vortex matter out of equilibrium: a Langevin molecular dynamics study
Hiba Assi, Harshwardhan Chaturvedi, Ulrich Dobramysl +2
We discuss the use of Langevin molecular dynamics in the investigation of the non-equilibrium properties of disordered vortex matter. Our special focus is set on values of system p…
Separation of Single Walled Carbon Nanotubes by Light
Madhusudana Gopannagari, Vikram Bakaraju, Harsh Chaturvedi
We report optical separation of metallic and semiconducting single walled carbon nanotubes of specific diameters from well-dispersed, stable solution. This phenomenon of optical se…
Relaxation dynamics of vortex lines in disordered type-II superconductors following magnetic field and temperature quenches
Hiba Assi, Harshwardhan Chaturvedi, Ulrich Dobramysl +2
We study the effects of rapid temperature and magnetic field changes on the non-equilibrium relaxation dynamics of magnetic vortex lines in disordered type-II superconductors by em…
Light Induced Aggregation of Specific Single Walled Carbon Nanotubes
Madhusudana Gopannagari, Harsh Chaturvedi
We report optically induced aggregation and consequent separation of specific diameter of pristine single walled carbon nanotubes (SWNT) from stable solution. Well dispersed soluti…
Photophoresis in Single Walled Carbon Nanotubes
Gopannagari Madhusudana, Vikram Bakaraju, H. Chaturvedi
We report specifically two things, one the phenomenon of optically induced motion in pristine single walled carbon nanotubes (SWNT) on the macro-scale and other the consequent sepa…
Optically Induced Aggregation In Single Walled Carbon Nanotubes Functionalized with Bacteriorhodopsin
Astha Sharma, E. Senthil Prasad, H. Chaturvedi
We report optically induced aggregation and subsequent separation of selective single-walled carbon nanotubes (SWNT) functionalized with bacteriorhodopsin in the aqueous solution.…