Abstract
In this paper, two new organic manganese halides (pe-ted)2MnX4 (pe-ted+ = ethylphenyltriethylenediamine cation, X = Cl, Br) are synthesized, exhibiting green luminescence with near-unity photoluminescence quantum efficiency. (pe-ted)2MnBr4 shows good linear response to X-ray dose rate, with a high light yield of ≈62 000photonsMeV-1 and low detection limit of 1.376µGys-1. Flexible scintillator film is prepared by blending with polydimethylsiloxane for high-resolution imaging, with a low detection limit (5.173µGys-1), an excellent X-ray imaging spatial resolution (18.0lpmm-1) and an impressive X-ray irradiation switching stability (3.6mGys-1). WLED of high color rendering index hasalso been fabricated. These findings represent an example of shapeable X-ray scintillators, providing new possibilities for curved and 3D X-ray imaging.
Published Version
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