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Substrate effects in high gain, low operating voltage SnSe2 photoconductor
Krishna Murali, Sangeeth Kallatt, Kausik Majumdar
High gain photoconductive devices find wide spread applications in low intensity light detection. Ultra-thin layered materials have recently attracted a lot of attention from resea…
Asymmetrically Encapsulated vertical ITO/MoS2/Cu2O photodetector with ultra-high sensitivity
Sangeeth Kallatt, Smitha Nair, Kausik Majumdar
Strong light absorption, coupled with moderate carrier transport properties, makes two-dimensional (2-D) layered transition metal dichalcogenide (TMD) semiconductors promising cand…
Direct observation of giant binding energy modulation of exciton complexes in monolayer MoSe
Garima Gupta, Sangeeth Kallatt, Kausik Majumdar
Screening due to surrounding dielectric medium reshapes the electron-hole interaction potential and plays a pivotal role in deciding the binding energies of strongly bound exciton…
Nature of carrier injection in metal/2D semiconductor interface and its implications to the limits of contact resistance
Divya Somvanshi, Sangeeth Kallatt, Chenniappan Venkatesh +5
Monolayers of transition metal dichalcogenides (TMDCs) exhibit excellent electronic and optical properties. However, the performance of these two-dimensional (2D) devices are often…