Structural and optoelectronic properties of electrodeposited CdSe thin films: Effect of Cu-dopant

Kafashan, Hosein; Orshesh, Ziba; Bahrami, Amir; Zakerian, Farbod

doi:10.1016/j.physb.2023.415623

Cited by 10 publications

(1 citation statement)

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“…There are endless reports of determination of optical properties of different materials developed through different physical deposition techniques in thin film form. For instances, in the year 2023 only:-Vijay et al investigated the impact of annealing temperature on the microstructure, defects, and optical properties of ZnO thin films using a sol-gel-based spin coating method and showed that particle size increases with annealing temperature, and the optical band gap reduces [22]; Banerjee et al investigated the origin of visible emissions in ZnO, focusing on excitation wavelength-dependent tuneable emission [23]; Orek et al studied the electrical, optical, and structural properties of a wurtzite-like zinc oxide nanostructure, examining the influence of quantum confinement on optical characteristics [24]; Sarmh and Borah studied nanocrystalline CdSe thin films, finding them suitable for optoelectronic devices with defect-controlled photocurrents and a doubly activated transport mechanism [25]; Gonçalves et al studied the nonlinear optical response of CdSe, revealing a predominant fifth-order nonlinear absorption behaviour and a nonlinear refractive index in good agreement with the OKG [26]; Kafashan et al investigated the impact of Cu-doping on Cadmium selenide (CdSe), highlighting its potential applications in optoelectronics due to improved absorbance, reflectance, and band gap [27].…”

Section: Introductionmentioning

confidence: 99%

Effect of particle size on optical and electrical properties of thin films – a simulation approach

Das,

Banerjee,

Roy

2024

Phys. Scr.

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This work presents a simulated investigation of the relationship between surface roughness and particle size as well as the resulting impact on the thin film's physical, optical, and electrical properties. Non-porous thin films are created through computer simulation for a range of particle sizes. Random deposition with a surface relaxation technique is used for the generation of non-porous thin films. The fundamental data of two well-known materials, ZnO and CdSe, were used for the theoretical calculation of different parameters like bandgap, absorption coefficient, refractive index, dielectric constant conductivity, or others. It is also shown that the pre-assumed values of all these parameters are well matched with the experimental results reported by different groups. This is probably the first effort to develop a direct relation between the particle size with different fundamental optical or electrical properties of different materials. This would definitely help the experimental researchers in the field of material science to design their experiments as per the desired requirements.

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