130 citations · 441 across the 14 of their papers we have counts for
15 papers
Evaluation of strain and charge-transfer doping in wet-polymeric transferred monolayer MoS2: implications for field effect transistors
C. Abinash Bhuyan, Kishore K. Madapu, K. Prabhakar +4
Two-dimensional materials offer exceptional tunability of electronic and optical properties via strain and doping engineering. However, the unintentional introduction of polymeric…
Influence of nitrogen on the growth of vertical graphene nanosheets under plasma
Subrata Ghosh, S. R. Polaki, Nanda Gopala Krishna +1
We have investigated the effect of nitrogen (N2) as a carrier gas on the growth of vertical graphene nanosheets (VGN) by plasma enhanced chemical vapor deposition (PECVD). It is de…
Aging Effects on Vertical Graphene Nanosheets and their Thermal Stability
Subrata Ghosh, S. R. Polaki, Aji Kumar +2
Vertical Graphene Nano sheets (VGN) have become promising candidates for a wide range of applications due to their unique architecture and remarkable properties. However, utilizati…
Metal Oxide-Vertical Graphene Nanosheets for 2.6 V Aqueous Electrochemical Hybrid Capacitor
Subrata Ghosh, S. R. Polaki, Gopinath Sahoo +4
Aqueous asymmetric electrochemical capacitor, with their high power density and superior cycle stability in comparison to conventional batteries, are presently considered as the mo…
Plasma-Electric Field Controlled Growth of Oriented Graphene for Energy Storage Applications
Subrata Ghosh, S. R. Polaki, M. Kamruddin +3
Graphene is well known to grow as flat sheets aligned with the growth substrate. Oriented graphene structures typically normal to the substrate have recently gained major attention…
Nanoparticle-enhanced Multifunctional Nanocarbons as Metal-ion Battery and Capacitor Anodes and Supercapacitor Electrodes -- Review
Subrata Ghosh, S. R. Polaki, Andrea Macrelli +5
As renewable energy is becoming a critical energy source to meet the global demand, electrochemical energy storage devices become indispensable for the efficient energy storage and…
Transfer of Vertical Graphene Nanosheets onto Flexible Substrates towards Supercapacitor Application
Gopinath Sahoo, Subrata Ghosh, S. R. Polaki +2
Vertical graphene nanosheets (VGNs) are the material of choice for next-generation electronic device applications. The growing demand for flexible devices in electronic industry br…
Flipping growth orientation of nanographitic structures by plasma enhanced chemical vapor deposition
Subrata Ghosh, K. Ganesan, S. R. Polaki +5
Nanographitic structures (NGSs) with multitude of morphological features are grown on SiO2/Si substrates by electron cyclotron resonance - plasma enhanced chemical vapor deposition…
The role of substrate bias and nitrogen doping on the structural evolution and local elastic modulus of diamond-like carbon films
S. R. Polaki, K. Ganesan, S. K. Srivastava +2
Diamond-like carbon (DLC) films are synthesized on Si using plasma enhanced chemical vapor deposition. The role of substrate bias and nitrogen doping on the structural evolution an…
Excitation dependent Raman studies of self-seeded grown InN nanoparticles with different carrier concentration
Kishore K. Madapu, S. R. Polaki, Sandip Dhara
High quality InN nanoparticles are grown using atmospheric chemical vapour deposition technique via a self-seeded catalytic approach in the temperature range of 580 to 650 oC. In t…
A route towards controlling the morphology of vertical graphene nanosheets
Subrata Ghosh, K. Ganesan, S. R. Polaki +1
Herein, an effort has given to sheds light on the effects of plasma process parameters on the growth of vertical graphene nanosheets (VGNs) by plasma enhanced chemical vapor deposi…
Optical Properties of Mono-Dispersed AlGaN Nanowires in the Single-Prong Growth Mechanism
A. K. Sivadasan, Avinash Patsha, S. Polaki +5
Growth of mono-dispersed AlGaN nanowires of ternary wurtzite phase is reported using chemical vapour deposition technique in the vapour-liquid-solid process. The role of distributi…
Raoult's Formalism in Understanding Low Temperature Growth of GaN Nanowires using Binary Precursor
Kishore K. Madapu, S. Dhara, S. Amirthapandian +2
Growth of GaN nanowires are carried out via metal initiated vapor-liquid-solid mechanism, with Au as the catalyst. In chemical vapour deposition technique, GaN nanowires are usuall…
Growth of InN quantum dots to nanorods: A competition between nucleation and growth rates
Kishore K. Madapu, Sandip Dhara, S. Polaki +2
Growth evolution of InN nanostructures via a chemical vapor deposition technique is reported using In_2O_3 as precursor material and NH_3 as reactive gas in the temperature range o…
Evolution and defect analysis of vertical graphene nanosheets
Subrata Ghosh, K. Ganesan, Shyamal R. Polaki +4
We report catalyst-free direct synthesis of vertical graphene nanosheets (VGNs) on SiO2/Si and quartz substrates using microwave electron cyclotron resonance - plasma enhanced chem…