DataVXAdvanced Functional MaterialsPaper
journal article·2025-07Open access

Hot Exciton‐Based Plastic Scintillator Engineered for Efficient Fast Neutron Detection and Imaging

Song He, Pengying Wan, Hanchen Li, Zizhen Bao, Xinjie Sui, Guangya Zheng, Hang Yin, Jincong Pang, Tong Jin, Shunsheng Yuan, Ling Xu, Xiaoping Ouyang, Zhiping Zheng, Linyue Liu, Guangda Niu, Jiang Tang

Advanced Functional Materials· Volume 35· Issue 29
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Source abstract

Abstract

Abstract Scintillators play a crucial role in the fields of radiation detection and imaging, but it is a formidable challenge to meet the demands for large size, high light yield, and fast response simultaneously. To tackle this challenge, this work interprets the key role of the polymer matrix in customizing the overall performance of the organic scintillator from the underlying logic. Owing to this, plastic scintillators Tetra(p‐bromophenyl)ethene@Poly(vinyltoluene) (TPE‐4Br@PVT), are successfully prepared using an amorphous conjugated polymer matrix PVT and an in situ polymerization process. This scintillator features an ultra‐large size (≈191 cm3), ultrafast decay time (1.66/5.26 ns), and decent light yield (14 443 photons·MeV−1). It not only achieves a high X‐ray imaging resolution of 13.9 lp·mm−1 (lp: line pairs) but also a record‐breaking fast neutron imaging resolution of 2.03 lp·mm−1, showcasing great potential in radiation detection and imaging applications.
Source: crossref · Quality: baseline

Research context

Polymers

OpenAlex topics: Radiation Detection and Scintillator Technologies · Atomic and Subatomic Physics Research · Medical Imaging Techniques and Applications

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

Affiliations

School of Integrated Circuits Huazhong University of Science and Technology (HUST) Wuhan 430074 China

School of Microelectronics Xi'an Jiaotong University Xi'an 710024 China

Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan 430074 China

School of Physics and Astronomy Beijing Normal University Beijing 100875 China

School of Energy and Power Engineering Xi'an Jiaotong University Xi'an 710024 China

Optical Valley Laboratory Wuhan 430074 China

State Key Laboratory of Intense Pulsed Radiation Simulation and Effect Northwest Institute of Nuclear Technology Xi'an 710024 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China

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