Journal
ACS NANO
Volume 14, Issue 5, Pages 5161-5169Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.0c02529
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Funding
- Countering Weapons of Mass Destruction - CWMD
- National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation Research and Development (DNN R&D) LB15-V-GammaDetMater-PD2Jf, under Lawrence Berkeley National Laboratory
- Netherlands Organization for Scientific Research (NWO)
- Wake Forest Center for Functional Materials grant
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The concept of quantum-dot-in-perovskite solids pioneered by Ning and co-workers introduces a useful class of solution-processed type I heterostructures for optoelectronics applications. Concurrent searches for solution-processable detectors of ionizing radiation have focused on lead-halide perovskites. As described in this issue of ACS Nano, Cao et al. examined CsPbBr3 nanocrystals imbedded in Cs4PbBr6 as a wider gap host and determined its performance and possibilities as a scintillator for X-ray imaging. In this Perspective, we describe issues and research opportunities on ionizing radiation imaging and spectroscopy based on the CsPbBr3@Cs4PbBr6 composite and other perovskite-dot-in-host combinations in which the dot may be of lower dimensionality than 3, and we explore ionizing radiation detectors using halide perovskites.
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