2016
DOI: 10.1155/2016/9385725
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Structural and Electrical Studies on ZnO-Based Thin Films by Laser Irradiation

Abstract: The effects of laser irradiation on the structural and electrical properties of ZnO-based thin films were investigated. The XRD pattern shows that the thin films were highly textured along thec-axis and perpendicular to the surface of the substrate. Raman spectra reveal that Bi2O3segregates mainly at ZnO-ZnO grain boundaries. After laser irradiation processing, the grain size of the film was reduced significantly, and the intrinsic atomic defects of grain boundaries and Bi element segregated at the grain bound… Show more

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Cited by 8 publications
(3 citation statements)
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“…It is well established that point defects can be introduced into materials under high-intensity pulsed laser irradiation [63][64][65][66][67]. The spectroscopic properties of these defects are often obtained via UV-Vis absorbance spectroscopy.…”
Section: Resultsmentioning
confidence: 99%
“…It is well established that point defects can be introduced into materials under high-intensity pulsed laser irradiation [63][64][65][66][67]. The spectroscopic properties of these defects are often obtained via UV-Vis absorbance spectroscopy.…”
Section: Resultsmentioning
confidence: 99%
“…A comprehensive investigation was carried out [33] to modify the photoluminescence (PL) characteristics of single-crystal ZnO using a KrF excimer laser source [33]. The laser irradiation technique was successfully used to effect and enhance the electrical [34,35] and optical properties [36][37][38], including conductivity, optical band gaps, and photoluminescence of high-quality ZnO films. The influence of the number of laser pulses on the photovoltaic properties of a ZnO thin film was observed [39].…”
Section: Introductionmentioning
confidence: 99%
“…Although, modern day technology that has moved to plastic and flexible electronics [33][34][35] emerge the need of alternative treatment processes that can lead to the fabrication of highquality ZnO and in parallel keeping the temperature in relatively low value (below 150 o C) [36]. A very promising technique toward the solution of this problem has been presented by several research groups that have proposed the Excimer Laser Annealing as a technique that can control the crystal quality and the density of the intrinsic defects of ZnO, and consequently can tailor its Photoluminescence from the Visible to the Ultra-Violet range [37][38][39][40][41][42][43][44][45].…”
Section: Introductionmentioning
confidence: 99%