ZnS quantum dot based nanocomposite scintillators for thermal neutron detection

被引：27

作者：

Wang, C. L. ^{[1
]}

Gou, L. ^{[2
]}

Zaleski, J. M. ^{[2
]}

Friesel, D. L. ^{[1
]}

机构：

[1] PartTec Ltd, Bloomington, IN 47404 USA

[2] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2010年 / 622卷 / 01期

关键词：

Scintillators; Thermal neutrons; Nanocomposite; Optical properties; Track-structure model; NANOCRYSTALS; LUMINESCENT; EFFICIENCY; GLASS; IONS;

D O I：

10.1016/j.nima.2010.07.032

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Water-soluble ZnS quantum dots (QDs) were synthesized using a co-precipitation method. Both undoped and Eu3+-doped ZnS QDs showed emission bands peaking at around 420 nm. The highest photoluminescence (PL) quantum yield (QY) was measured to be 17% for undoped ZnS QDs capped with SiO2. Thermal neutron induced pulse height and pulse shape spectra were measured for composites composed of (LiF)-Li-6 nanoparticles, undoped ZnS QDs, and poly(vinyl alcohol) (PVA) matrix. The pulse height spectra from the nanocomposites were analyzed with a track-structure model. The pulse decay time of scintillation photons is 10-30 ns. The fast decay rates and clear pulse height peaks induced by thermal neutrons indicate that ZnS QD based nanocomposites are promising scintillators for detecting high-flux thermal neutrons. 2010 Elsevier B.V. All rights reserved.

引用

页码：186 / 190

页数：5

共 50 条

[21] Quantum dot nanocomposite polymers for radiation detection and nuclear security
Crane, T.
Hitchens, J.
Macqueen, C.
Bazin, N.
2018 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE PROCEEDINGS (NSS/MIC), 2018,
[22] Progressive advancement of ZnS-based quantum dot LED
Laxman Mandal
Balram Vidya
Jyoti Verma
Piyush K. Rani
Optical and Quantum Electronics, 2021, 53
[23] Progressive advancement of ZnS-based quantum dot LED
Mandal, Laxman
Vidya
Verma, Balram
Rani, Jyoti
Patel, Piyush K.
OPTICAL AND QUANTUM ELECTRONICS, 2021, 53 (01)
[24] Inorganic thermal-neutron scintillators
van Eijk, CWE
Bessière, A
Dorenbos, P
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2004, 529 (1-3): : 260 - 267
[25] Gd-containing scintillators for thermal neutron detection via graph-based particle discrimination
Wang, C. L.
REVIEW OF SCIENTIFIC INSTRUMENTS, 2021, 92 (10):
[26] Transparent plastic scintillators for neutron detection based on lithium salicylate
Mabe, Andrew N.
Glenn, Andrew M.
Carman, M. Leslie
Zaitseva, Natalia P.
Payne, Stephen A.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2016, 806 : 80 - 86
[27] InP-Quantum-Dot-in-ZnS-Matrix Solids for Thermal and Air Stability
Lee, Seungjin
Sagar, Laxmi Kishore
Li, Xiyan
Dong, Yitong
Chen, Bin
Gao, Yuan
Ma, Dongxin
Levina, Larissa
Grenville, Aidan
Hoogland, Sjoerd
de Arguer, F. Pelayo Garcia
Sargent, Edward H.
CHEMISTRY OF MATERIALS, 2020, 32 (22) : 9584 - 9590
[28] On the scintillation efficiency of carborane-loaded liquid scintillators for thermal neutron detection
Chang, Zheng
Okoye, Nkemakonam C.
Urffer, Matthew J.
Green, Alexander D.
Childs, Kyle E.
Miller, Laurence F.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2015, 769 : 112 - 122
[29] New solid-state organic scintillators for fast and thermal neutron detection
Zaitseva, N.
Glenn, A.
Mabe, A.
Carman, L.
Payne, S.
PROCEEDINGS OF THE 2019 INTERNATIONAL CONFERENCE ON APPLICATIONS OF NUCLEAR TECHNIQUES (CRETE19), 2020, 50
[30] Gadolinium-loaded Plastic Scintillators for Thermal Neutron Detection using Compensation
Dumazert, Jonathan
Coulon, Romain
Hamel, Matthieu
Carrel, Frederick
Sguerra, Fabien
Normand, Stephane
Mechin, Laurence
Bertrand, Guillaume H. V.
IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2016, 63 (03) : 1551 - 1564

← 1 2 3 4 5 →