One order enhancement of charge carrier relaxation rate by tuning structural and optical properties in annealed cobalt doped MoS₂ nanosheets

Abstract

The effective manipulation of excitons is crucial for the realization of exciton-based devices and circuits, and doping is considered a good strategy to achieve this. The influence of high temperature...

Effect of nickel and selenium co-doping on molybdenum disulfide structure and its electrochemical activity in polysulfide electrolyte

“…Multiple peaks at 708.434-1386.3942 cm −1 can be assigned to the sulfate groups [24,25]. The bands at 3452.19 cm −1 and 1693.1612 cm −1 for Ni-doped and 1698.6363 cm −1 for co-doped belong to stretching and bending vibrations of the O-H bond, which indicate the intercalation of water into MoS 2 [24][25][26][27][28][29] as suggested by K C Lalithambika and et al in their experimental and DFT analysis of the photocatalytic activity of MoS 2 nanoparticles Photoluminescence (PL) spectroscopy was used to analyse the recombination rate of MoS 2 and the catalytic activity of MoS 2 [30] in terms of the emission intensity of photons. The PL intensity is directly proportional to the electron-hole recombination [31].…”