Temperature dependent Raman and photoresponse studies of Bi<sub>2</sub>Te<sub>3</sub> thin films annealed at different temperatures for improved optoelectronic performance
Subhashree Das, Subrata Senapati, D. Alagarasan, Ramakanta Naik
Abstract
The thermally evaporated Bi 2 Te 3 films under annealing at different temperatures showed increased crystallinity, reduced bandgap and exhibit hydrophilic nature.
Topics & Concepts
Materials scienceRaman spectroscopyOptoelectronicsThin filmAnnealing (glass)OpticsComposite materialNanotechnologyPhysicsAdvanced Thermoelectric Materials and DevicesPhase-change materials and chalcogenidesAdvanced Semiconductor Detectors and Materials