Organic spectroscopic scintillators based on nanocomposite monoliths (Conference Presentation)

Qibing Pei

doi:10.1117/12.2322698

18 September 2018 Organic spectroscopic scintillators based on nanocomposite monoliths (Conference Presentation)

Qibing Pei

Proceedings Volume 10762, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX; 107620C (2018) https://doi.org/10.1117/12.2322698
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

Spectroscopic detection of gamma and neutron particles has widespread applications for research, defense and medical purposes. The dominant materials for the detection have been inorganic semiconductors, scintillation crystals, and plastics that are either prohibitively expensive or cannot produce characteristic photopeak. We report the synthesis of transparent nanocomposite monoliths comprising high-z nanoparticles for gamma photoelectric generation and conjugated organic matrix for visible photon generation. The energy transfer from the nanoparticles to lower-band-gap organic dyes was studied in connection with light yield. Synthesis of transparent monoliths capable of producing 662 keV gamma photopeak and discriminating gamma/neutron pulses will be described.

Conference Presentation

Citation Download Citation

Qibing Pei "Organic spectroscopic scintillators based on nanocomposite monoliths (Conference Presentation)", Proc. SPIE 10762, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX, 107620C (18 September 2018); https://doi.org/10.1117/12.2322698

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