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Metal-free scintillators excite X-ray community

Scintillators used in X-ray detectors typically require the use of heavy metal atoms to efficiently harvest ionizing radiation. Now the use of halogens is shown to yield efficient, metal-free organic scintillators.

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Fig. 1: Proposed mechanism of X-ray-excited luminescence and corresponding emission spectra.


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Correspondence to Hong-Tao Sun.

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Chen, JK., Shirahata, N. & Sun, HT. Metal-free scintillators excite X-ray community. Nat. Photonics 15, 171–172 (2021).

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