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矿半导体 CsPbX (X = Cl,Br,I,或混合化物) 的增长和性能,用于检测和成像应用

R Hawrami¹, L Matei¹, E Ariesanti¹

¹Department of Life and Physical Sciences, Physics Division, Fisk University, 1000 17th Avenue N, Nashville, TN 37208, USA.

Materials (Basel, Switzerland)

|November 9, 2024

概括

高质量的化 (CsPbBr₃) 晶体用于先进的半导体研究. 这些化 Perowskites 显示出对低噪音辐射探测器的希望,因为它们具有出色的电阻性和可移动性-产品寿命值.

科学领域:

材料科学材料科学材料科学
固态物理固态物理
半导体研究半导体研究

背景情况:

化物矿在室温辐射检测中至关重要.
化 (CsPbBr₃) 具有适用于各种应用的半导体特性.

研究的目的:

为了研究材料净化和化矿的晶体特性之间的关系.
为了优化CsPbBr₃用于半导体探测器应用.

主要方法:

使用布里奇曼方法对CsPbX₃ (X = Cl,Br,I,或混合) 的晶体生长.
详细的表面准备技术用于接触沉积和测试.
通过电流-电压测量,UV-Vis,光电流和光发光谱学进行材料表征.

主要成果:

实现了高散体电阻 (高达3.0 × 10 9 Ω·cm) 和表面电阻 (1.3 × 10 11 Ω/□).
在初步辐射探测器中,对2.8 × 10-5 cm / V的孔 (μτ) 估计的移动寿命产物.

结论:

净化和晶体生长方法显著影响化矿矿的性能.
CsPbBr₃证明了低噪音半导体探测器应用的潜力.
这些发现指导了对CsPbX₃和其他化矿矿的未来改进.

关键词:

大量单晶生长成长.化的化是矿的矿.融化成长的增长速度.室温半导体检测器检测器半导体检测器

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