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首页> 外文期刊>Journal of Materials Science >Compositional effect on optical characteristics of solution grown (Cd1-xSnx)S thin films
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Compositional effect on optical characteristics of solution grown (Cd1-xSnx)S thin films

机译：成分对溶液生长（Cd1-xSnx）S薄膜光学特性的影响

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摘要

A good deal of information regarding the synthesis and optical properties of chemically grown (Cd1-xSnx)S (x=0.01-0.40) thin film has been reported. The growth of these films depends on various preparative parameters and deposition conditions. The reactant concentration, pH, deposition temperature, and rate of agitation were found to influence significantly the quality and thickness of the films. The photoconductive studies have been done with the help of rise and decay curves. Lifetime, mobility, and trap depth are calculated for observed parameters. Band gap measurements for the prepared films have been done with the help of optical transmission spectra using UV-VIS-IR spectrophotometer (190-1100 angstrom). Interesting results of PC rise and decay studies, optical absorption, and transmission spectra have been presented and discussed. Mobility is influenced significantly by Sn composition. The action spectra showed displacement in the absorption edge towards lower energy side by the addition of Sn mole content. The energy gap decreased from 2.1 to 1.9 eV for x = 0.01 and 1.85 eV for x = 0.02.
机译：据报道，有关化学生长的（Cd1-xSnx）S（x = 0.01-0.40）薄膜的合成和光学性质的信息很多。这些膜的生长取决于各种制备参数和沉积条件。发现反应物浓度，pH，沉积温度和搅拌速率显着影响膜的质量和厚度。借助上升和衰减曲线完成了光导研究。计算观察参数的寿命，迁移率和陷阱深度。利用UV-VIS-IR分光光度计（190-1100埃）借助光透射光谱，已经对所制备的膜进行了带隙测量。提出并讨论了PC上升和衰减研究，光吸收和透射光谱的有趣结果。流动性受Sn组成的显着影响。作用谱显示，通过添加锡摩尔含量，吸收边缘向低能侧位移。对于x = 0.01，能隙从2.1降低到1.9 eV，对于x = 0.02，能隙从1.85 eV降低。

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