Quantum-Dot/Organic Semiconductor Composites for Radiation Detection

Improved radiation detection using quantum‐dot/organic semiconductor composites is demonstrated. Electron scintillation results (see Figure) demonstrate more than a doubling of photon generation efficiency with quantum‐dot volume fraction. Simple estimates suggest that an ionization energy of about...

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Published in	Advanced materials (Weinheim) Vol. 18; no. 1; pp. 77 - 79
Main Authors	Campbell, I. H., Crone, B. K.
Format	Journal Article
Language	English
Published	Weinheim WILEY-VCH Verlag 05.01.2006 WILEY‐VCH Verlag
Subjects	Förster transfer mechanism Nanocrystals Nanocrystals, semiconductor organic Scintillators semiconductor semiconductors semiconductors, organic
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Abstract	Improved radiation detection using quantum‐dot/organic semiconductor composites is demonstrated. Electron scintillation results (see Figure) demonstrate more than a doubling of photon generation efficiency with quantum‐dot volume fraction. Simple estimates suggest that an ionization energy of about 3 eV/photon may be achieved. These composites are promising for low cost and high energy resolution gamma‐ray, neutron, and charged‐particle detection.
AbstractList	Improved radiation detection using quantum‐dot/organic semiconductor composites is demonstrated. Electron scintillation results (see Figure) demonstrate more than a doubling of photon generation efficiency with quantum‐dot volume fraction. Simple estimates suggest that an ionization energy of about 3 eV/photon may be achieved. These composites are promising for low cost and high energy resolution gamma‐ray, neutron, and charged‐particle detection.
Author	Campbell, I. H. Crone, B. K.
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Notes	This work was funded by a DOE NA-22 Exploratory Research Grant. The authors thank C. Chavez and M. Spilde for technical assistance. ArticleID:ADMA200501434 istex:F10B8E679C8675E31EC63D3731118208918594D0 ark:/67375/WNG-7JC6WKCM-N This work was funded by a DOE NA‐22 Exploratory Research Grant. The authors thank C. Chavez and M. Spilde for technical assistance.
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Snippet	Improved radiation detection using quantum‐dot/organic semiconductor composites is demonstrated. Electron scintillation results (see Figure) demonstrate more...
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SubjectTerms	Förster transfer mechanism Nanocrystals Nanocrystals, semiconductor organic Scintillators semiconductor semiconductors semiconductors, organic
Title	Quantum-Dot/Organic Semiconductor Composites for Radiation Detection
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