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From sintering to particle discrimination: New opportunities in Metal-Organic Frameworks scintillators

Abstract : The characterization of a scintillating Metal Organic Framework (MOF) is not straightforward, mainly due to the small size and low density of the material. In this context, we present herein a generic method to give an easy access to the determination of a key parameter in the scintillation field, namely the light output. To reach this, MOF-205 was first synthesized as millimetric-size single crystals then sintered under pressure and temperature conditions to afford a pellet. The density was increased by 300% while maintaining optical properties on par with scintillation application. The as-prepared scintillator was then characterized in terms of photoluminescence (UV-excited emission spectrum, time-correlated single photon counting) and radioluminescence spectroscopy (beta-excited emission spectrum, alpha, beta and gamma pulse height spectra, alpha/beta and alpha/gamma discrimination). Results were compared with commercial BC-404 plastic scintillator performances as well as supported by MCNP6.2 simulation.
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Submitted on : Tuesday, November 23, 2021 - 10:00:04 AM
Last modification on : Monday, December 13, 2021 - 9:16:49 AM


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Vincent Villemot, Nicolas Dufour, Sharvanee Mauree, Benoit Sabot, Guillaume Bertrand, et al.. From sintering to particle discrimination: New opportunities in Metal-Organic Frameworks scintillators. Advanced Photonics Research, 2021, pp.2100259. ⟨10.1002/adpr.202100259⟩. ⟨cea-03442303⟩



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