23 citations · 41 across the 7 of their papers we have counts for
7 papers
Optically Coupled Noise Spectroscopy Quantifies Defect Passivation in Monolayer MoS2 FETs
Shashwata Chattopadhyay, Soumyadip Hazra, Sraboni Dey +4
Transition metal dichalcogenide monolayers are promising materials for electronic and photonic applications, yet the performance of chemical vapour deposition grown samples is seve…
Anisotropic transport and Negative Resistance in a polycrystalline metal-semiconductor (Ni-TiO2) hybrid
Harikrishnan G, Shashwata Chattopadhyay, K. Bandopadhyay +3
We investigate anomalous electrical transport properties of a Ni-TiO2 hybrid system displaying a unique nanostructured morphology. The system undergoes an insulator to metal transi…
Photo-thermoelectrics of a distributed Schottky junction system: Delineating the photo and thermal currents
Harikrishnan G., Shashwata Chattopadhyay, Arijit Kayal +5
Hybrid materials, consisting of diverse materials combined in various configurations, exhibit intriguing opto-electronic properties and are a focal point of research in functional…
Leveraging Plasmonic Hot Electrons to Quench Defect Emission in Metal -- Semiconductor Nanostructured Hybrids: Experiment and Modeling
Kritika Sharu, Shashwata Chattopadhyay, K. N. Prajapati +1
Modeling light-matter interaction in hybrid plasmonic materials is vital to their widening relevance from optoelectronics to photocatalysis. Here, we explore photoluminescence from…
Mobility enhancement in CVD-grown monolayer MoS2 via patterned substrate induced non-uniform straining
Arijit Kayal, Sraboni Dey, Harikrishnan G. +3
The extraordinary mechanical properties of 2D TMDCs make them ideal candidates for investigating strain-induced control of various physical properties. Here we explore the role of…
Selective Enhancement in Phonon Scattering leads to High Thermoelectric Figure of Merit in ZnO -- Graphene Oxide Core-shell Nanohybrids
Soumya Biswas, Saurabh Singh, Shubham Singh +5
ZnO is a promising candidate as an environment friendly thermoelectric (TE) material. However, the poor TE figure of merit (zT) needs to be addressed to achieve significant TE effi…
Tailoring Infrared Absorption and Thermal Emission with Ultrathin-film Interferences in Epsilon-Near-Zero Media
Ben Johns, Shashwata Chattopadhyay, Joy Mitra
Engineering nanophotonic mode dispersions in ultrathin, planar structures enables significant control over infrared perfect absorption (PA) and thermal emission characteristics. He…