DataVXACS Applied Materials & InterfacesPaper
journal article·2024-10-30

Photodiodes Made of Cascade Perovskite Single Crystals with Passivation Layers for High-Energy-Resolution γ-ray Spectroscopy

Xin Wang, Yuzhu Pan, Yubing Xu, Tao Pang, Ziyu Wei, Dan Zhang, Ziyi Liu, Byung Seong Bae, Damian Chinedu Onwudiwe, Jing Chen, Jun Wu, Wei Lei

ACS Applied Materials & Interfaces· Volume 16· Issue 43
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Source abstract

Abstract

Lead halide perovskite single crystals (LHPSC) are promising for room-temperature γ-ray spectroscopy in radiation detection. While MA(CH 3 NH 3 )-based LHPSCs are the most straightforward and cost-effective to synthesize from solution, their performance in γ-ray spectroscopy is hindered by significant noise and ion migration at high bias, which degrades their energy resolution (ER). The work introduced an n-type/intrinsic/n-type photodiode incorporating passivation layers of MA-based LHPSCs, grown through solution-process epitaxial growth. This single-polarity device demonstrated an outstanding ER of 3.6% for 662 keV γ-ray photons. Overall, this work provides useful information for developing room-temperature γ-ray detectors based on solution-processed lead halide perovskites.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Advanced Semiconductor Detectors and Materials · Radiation Detection and Scintillator Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Electronic Science and Engineering

Southeast University

Nanjing Sanle Group Co.

Department of Chemistry, School of Mathematics and Physical Sciences, Faculty of Natural and Agricultural Sciences

North-West University Mafikeng Campus

Department of Electronics & Display Engineering

Hoseo University

Funding

National Key Research and Development Program of China · China Postdoctoral Science Foundation · Basic Research Program of Jiangsu Province · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Jiangsu province

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