洞察 (Al-Zn) 双兴奋剂对CdO薄膜的结构,形态和光电性质的影响
M Ashikul Haque Naeem1, Ahmed Sidrat Rahman Ayon1, Md Mintu Ali1
1Department of Glass & Ceramic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi, 6204, Bangladesh.
Heliyon
|February 26, 2024
概括
合成了喷雾烧解- (Al-Zn) 双氧化 (CdO) 薄膜. 最佳的兴奋剂度显示了光电子设备应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 固态物理 固态物理
- 薄膜技术 薄膜技术
背景情况:
- 氧化 (CdO) 是一个有前途的n型半导体,在光电子领域有应用.
- 兴奋剂CdO可以调整其结构,光学和电气性能,以提高性能.
- 研究用 (Al) 和 (Zn) 进行双重兴奋剂,为优化CdO特性提供了一条途径.
研究的目的:
- 探索喷雾烧化 (Al-Zn) 双化CdO薄膜的结构,形态,光学和电学特性.
- 分析Zn度变化 (2-5 mol%) 与恒定的Al度 (3 mol%) 对CdO特性的影响.
- 为了确定潜在的光电子设备应用的最佳兴奋剂成分.
主要方法:
- 薄膜使用喷雾热解技术在325°C下沉积在玻璃基板上.
- 使用X射线衍射 (XRD) 来分析晶体结构和相位纯度.
- 扫描电子显微镜 (SEM) 的特征是表面形态.
- 紫外线-Vis光谱学研究了光学特性 (透射率,带间隙).
- 通过四探头方法评估电阻.
主要成果:
- XRD证实了 (Al-Zn) 双的成功结合,并揭示了单个立方多晶结构.
- SEM显示了岩石形状的微观结构,颗粒大小随兴奋剂度而变化.
- 紫外线-Vis光谱显示了3% (Zn-Al) 化CdO的最大传导率.
- 双重兴奋剂扩大了带间隙 (2.61-3.84 eV),并随着的度增加而降低了灭绝系数.
- 较高的 Zn 度导致电阻率增加.
结论:
- 喷雾化 (Al-Zn) 双化CdO薄膜表现出基于剂度的调节性质.
- 2% Zn 和 3% Al 的配合剂组合显示了光电子器件有前途的特性.
- 该研究提供了对优化CdO薄膜用于先进电子应用的见解.
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When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
