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一个近红外Sn-Pb矿成像仪,具有单体集成
Ciyu Ge1, Chengjie Deng1,2, Jiaxing Zhu1
1Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information (SOEI), Huazhong University of Science and Technology, Wuhan, China.
Light, science & applications
|January 19, 2026
概括
我们开发了一种使用锡二) 酸 (SnSCN) 的表面被动化策略,以改进锡 (Sn-Pb) 矿近红外光探测器. 这种方法减少了暗电流并提高了检测能力,使高性能Sn-Pb矿成像仪成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 光电学是指光电子产品.
- 设备物理 设备物理
背景情况:
- 溶液处理的锡- (Sn-Pb) 矿对于近红外 (NIR) 光探测器是有前途的,因为其具有成本效益和可调节的带隙.
- 在Sn-Pb矿中Sn2+氧化导致缺陷,增加暗电流和限制检测能力,阻碍实际应用.
研究的目的:
- 为了抑制Sn2+的氧化和减少Sn-Pb矿的表面缺陷.
- 为了增强Sn-Pb矿光电探测器的光电子特性.
- 开发一个单体集成的Sn-Pb矿NIR成像仪.
主要方法:
- 使用一种无机分子表面被动化策略,使用锡酸 (SnSCN) 酸 (SnII) 酸 (SnSCN) 2).
- 制造了Sn-Pb矿光探测器,并将其与一个补充的金属氧化物半导体读出电路集成在一起.
- 描述了成像器的性能,包括外部量子效率和调制转移功能.
主要成果:
- 在 -0.1 V 达到 10 nA cm-2 的暗电流密度和 ~ 1.6 × 10 13 的特定检测能力.
- 开发的Sn-Pb矿NIR成像仪 (640 × 512像素,15微米距) 在940nm显示了76%的外部量子效率.
- 证明了先进的材料识别能力,包括液体识别.
结论:
- 通过Sn (SCN) 2的被动化,有效地抑制了Sn2+的氧化,并减少了Sn-Pb矿中的缺陷.
- 集成的Sn-Pb矿成像仪表现出高性能和化学传感,生物医学成像和工业检查的潜力.
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