Control of physical vapor deposition and architecture of stoichiometric SnSe heterojunction structures for solar cells

Kunjomana, A. G.; Bibin, J.; Varadharajaperumal, S.; Teena, M.

doi:10.1016/j.vacuum.2021.110372

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Field Emission Scanning Electron Microscopy (Fesem)1

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2022

2024

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Cited by 6 publications

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“…The grain size is proportional inversely to the optical energy gap. As T p-f increases, the crystalline size increases, and the number of energy levels that expand will reduce the energy gap [34].…”

Section: Field Emission Scanning Electron Microscopy (Fesem)mentioning

confidence: 99%

Characterization of tin selenide nanoparticle films generating from plasma arc penetration of a temperature-varying field

Abdulla

Mohammed²,

Majeed³

2023

IJEECS

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Using the pulsed laser deposition (PLD) method, tin selenide (SnSe) nanoparticles thin films are created on quartz substrates, which are held at different penetration field temperatures Tp-f (Tp-f is the penetration field temperature to which the plasma arc is exposed) (300, 373, 473, and 573) K. X-ray powder diffraction (XRD) reveals a phase transformation from a hexagonal to an orthorhombic structure. The energy gap, which ranges from 1.748-3.15 eV with direct electronic transmission, is calculated using transmittance spectra. Particle size increases by Tp-f increases. Photoluminescence (PL) intensity and film thickness are inversely proportional to each other. Changing the ratio of the compositions provides an essential strategy for altering a material's melting point as well as its energy gap.

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Section: Field Emission Scanning Electron Microscopy (Fesem)mentioning

confidence: 99%