Thermally Activated Delayed Fluorescence Coinage Metal Cluster Scintillator.

ABSTRACT: X-ray scintillators are widely used in medical imaging, industrial flaw detection, security inspection, and space exploration. However, traditional commercial scintillators are usually associated with a high use cost because of their substantial toxicity and easy deliquescence. In this work, an atomically precise Au-Cu cluster scintillator (1) with a thermally activated delayed fluorescence (TADF) property was facilely synthesized, which is environmentally friendly and highly stable to water and oxygen. The TADF property of 1 endows it with an ultrahigh exciton utilization rate. Combined with the effective absorption of X-ray caused by the heavy-atom effect and a limited nonradiative transition caused by close packing in the crystal state, 1 exhibits an excellent radio

SUBMITTER: Peng QC 

PROVIDER: S-EPMC10375876 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature