July 30, 2025

Heterojunction Engineering of All-Inorganic CsPbI3 Perovskite for High-Responsivity SWIR Photodetectors Performed at Room Temperature

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The all-inorganic CsPbI3 perovskite photodetector exhibits a responsivity of 1.65 × 10^3 A W−1 at room temperature, enhancing SWIR detection.
Photodetectors have a specific detectivity of 8.0 × 10^10 Jones under 0.28 mW cm−2 light, indicating high performance.
The fabricated heterojunction devices utilize a simple solution-based process and can operate efficiently without cryogenic cooling.
This research highlights the potential of low-cost, room temperature SWIR detectors in applications like machine vision.

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All-inorganic CsPbI3 shows high responsivity in SWIR detectors, indicating practical applications without cooling.

Schmidt et al. (2025) studied this question.

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