Vp81光电阴极光电子收集效率的测量

SINDH UNIVERSITY RESEARCH JOURNAL -SCIENCE SERIES Pub Date : 2019-09-17 DOI:10.26692/surj/2019.09.90

B. A. Laghari, I. A. Halepoto, A. K. Rajper, I. Ahmed, R. H. Mari, M. A. Abbasi

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引用次数: 0

摘要

在200 torr的气体压力下，实验测量了新型有机半导体光电阴极vp81在不同比例的纯甲烷和甲烷氩气混合物中的光电子收集效率与外加约化电场的关系。验证了电荷收集方式下的收集效率提高，在高气体增益时达到接近真空值。一般的普遍行为也证实了一些作者的预测。

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Photoelectron Collection Efficiency Measurement of Vp81 Photocathode

We present experimental measurement of photoelectron collection efficiency of a new organic semiconductor photocathode Vp81in pure methane and argon methane mixtures in different ratios as a function of applied reduced electric field at a gas pressure of 200 torr. It is confirmed that collection efficiency increases in charge collection mode and reaches near the vacuum value at high gas gain. The general universal behavior was also confirmed as predicted by some authors.

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SINDH UNIVERSITY RESEARCH JOURNAL -SCIENCE SERIES

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