Fabrication of Lead Halide Perovskite Films with Large Grains by Vapor Deposition: Effects ofDeposition Pressure and Post Annea



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Si nanocrystals embedded in a wide bandgap material have been of interest for various electronic devices, including third-generation solar cells with efficiency values exceeding theoretical limits. In this work, Si-rich amorphous SiC layers with different Si contents were fabricated by the RF magnetron sputtering deposition technique. Si nanocrystal formation was induced by a high-temperature annealing process in a series of samples with different Si contents controlled by the DC power applied to the Si tar...
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CdSexTe(1-x) (CST) ternary thin films were fabricated by stacking thermally evaporated CdSe and electron beam evaporated CdTe layers. The final structure was achieved in a stoichiometric form of approximately Cd:Se:Te = 50:25:25. The post-annealing processes at 300, 400, and 450 °C were applied to trigger the compound formation of CST thin films. The X-ray diffraction (XRD) profiles revealed that CdTe and CdSe have major peaks at 23.9° and 25.5° corresponds to (111) direction in cubic zinc-blend structure. ...
Fabrication and doping of thin crystalline Si films prepared by e-beam evaporation on glass substrate
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In this thesis study, fabrication and doping of silicon thin films prepared by electron beam evaporation equipped with effusion cells for solar cell applications have been investigated. Thin film amorphous Si (a-Si) layers have been fabricated by the electron beam evaporator and simultaneously doped with boron (B) and phosphorous (P) using effusion cells. Samples were prepared on glass substrates for the future solar cell operations. Following the deposition of a-Si thin film, crystallization of the films h...
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The possibility of producing ceramic powders suitable for the fabrication of microporous filters was investigated through the thermal treatment of the powder mixtures of a high-purity (99.09% SiO2) quartz and clinoptilolite type of natural zeolite. The quartz and zeolite, mixed in the ratio of 3:1 by weight, was wet ground in a ball mill, the powder was sieved on a 90-mum screen, and the undersize was dried and sintered in the powder form at the temperatures of 1000, 1100 and 1200degreesC for 7 h in an air ...
Fabrication of fiber metal laminated composites by resin infusion technique using metallic layers with modified surface /
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Fiber metal laminated composites are novel materials which have been developed in the last few decades especially for fatigue prone areas within the aircrafts. They consist of metals with modified surfaces and fiber reinforced polymer matrix composites. Surface modification of metals carries importance because their bonding with fiber-resin matrix needs interdisciplinary knowledge about interface engineering. Surface of the metal substrates must be contaminant and moisture free and void content through inte...
Citation Formats
W. Soltanpoor, M. C. Şahiner, and S. Yerci, “Fabrication of Lead Halide Perovskite Films with Large Grains by Vapor Deposition: Effects ofDeposition Pressure and Post Annea,” 2017, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/80345.