Order and Charge Collection Correlations in Organic Materials for Neutron Detection

机译：用于中子检测的有机材料中的阶次和电荷收集相关性

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Organic materials, and in particular, poly(p-phenylene vinylene)s, are being investigated for solid state neutron detection. Semiconducting organics can offer direct detection because of high resistivity, high dielectric strength, natural gamma discrimination due to low Z, and room temperature operation. However, the effective charge collection is dependant on several material processing variables, including solvent choice and concentration, substrate, deposition method and conditions, post-deposition processing, and other factors, all of which can influence the local and bulk order of the material. We have investigated the effects of processing variables on the material order through infrared dichroism. The charge collection of the device was measured with visible laser excitation, and related to the order.

机译：正在研究有机材料，特别是聚对苯撑亚乙烯基，以进行固态中子检测。半导体有机物可以提供直接检测功能，因为它具有高电阻率，高介电强度，由于低Z而具有自然伽马辨别力以及在室温下工作。但是，有效的电荷收集取决于几个材料处理变量，包括溶剂的选择和浓度，基材，沉积方法和条件，沉积后处理以及其他因素，所有这些因素都会影响材料的局部顺序和整体顺序。我们已经通过红外二色性研究了加工变量对材料顺序的影响。用可见激光激发来测量装置的电荷收集，并与顺序有关。

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来源
《Penetrating Radiation Systems and Applications VII; Proceedings of SPIE-The International Society for Optical Engineering; vol.6707》|2007年|P.27.1-27.8|共8页
会议地点 San DiegoCA(US)
作者
Tiffany M.S. Wilson; F. Patrick Doty; Douglas A. Chinn; Michael J. King; Blake A. Simmons;
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作者单位

Sia National Laboratories, Livermore, CA, 94550;

Dept. of Chemical Biomolecular Engineering, The Ohio State University, Columbus, OH, 43210;

Sia National Laboratories, Albuquerque, NM, 87185;

Dept. of Nuclear Engineering, University of California,;

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原文格式 PDF
正文语种 eng
中图分类探测仪器及系统;电离辐射和放射性计量;
关键词
PPV; neutron detection; radiation detection; semiconducting polymer; dichroism; FTIR;

机译：PPV;中子检测;辐射检测;半导体聚合物;二色性; FTIR;

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Order and Charge Collection Correlations in Organic Materials for Neutron Detection

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