2013
DOI: 10.1002/adem.201300237
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6Li Embedded Biaxially Stretched Scintillation Films for Thermal Neutron Detection and Neutron/Gamma Discrimination

Abstract: Biaxially stretched composite polyethylene naphthalate (PEN) films (BSCPF) embedded with submicron lithium fluoride ( 6 LiF) particles and luminescent molecules were fabricated to make large area scintillation films (%1 m  1 m) for thermal neutron detection. BSCPF had 20.2% higher neutron light yield as compared to unstretched composite film (UCPF), and were 2.46 AE 1.47 times more efficient for detecting thermal neutrons than lithiated glass GS20 above lower level discriminator corresponding to an intrinsic … Show more

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Cited by 15 publications
(11 citation statements)
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“…In a recent extension of this work poly(2-vinylnaphthalene) is replaced by biaxially stretched poly(ethylene naphthalate) (PEN) films [12]. Stretched polymers have an increased crystallinity leading to a better energy transport.…”
Section: Lithium Boron Cadmium and Gadolinium Loadings For Thermal mentioning
confidence: 98%
“…In a recent extension of this work poly(2-vinylnaphthalene) is replaced by biaxially stretched poly(ethylene naphthalate) (PEN) films [12]. Stretched polymers have an increased crystallinity leading to a better energy transport.…”
Section: Lithium Boron Cadmium and Gadolinium Loadings For Thermal mentioning
confidence: 98%
“…Modern refining techniques have made it possible for undoped aromatic ring polymers to be used as scintillation materials [7,8]. Examples include polycarbonates and poly (ethylene terephthalate) [2,[9][10][11][12][13][14][15][16][17][18][19][20][21]. Moreover, optical characteristics of high-purity polystyrene and poly (vinyltoluene) have been subsequently re-examined [22,23].…”
Section: Introductionmentioning
confidence: 97%
“…The optical characteristics of their base substrates have been significantly improved by advanced refining techniques, and a previously unknown fluorescence mechanism in these scintillation materials was revealed [4][5][6][7]. In addition, aromatic ring polymers no longer need doped fluorescent guest molecules to detect radiation [8][9][10][11][12][13]. Useful aromatic ring polymers include poly (ethylene naphthalate), which has a 420-nm emission maximum and is used in radiation survey metres as an effective alternative for more common scintillation materials [14,15].…”
Section: Introductionmentioning
confidence: 98%