Development of system for automatic measurement of transient photocurrent and thermally stimulated current

被引：0

作者：

Ramirez, A. A. ^{[1
]}

Gordillo, G. ^{[2
]}

机构：

[1] Univ Nacl Colombia, Chem Engn, Dept Ingn Quim, Bogota, Colombia

[2] Univ Nacl Colombia, Dept Fis, Bogota, Colombia

来源：

INGENIERIA E INVESTIGACION | 2017年 / 37卷 / 01期

关键词：

TSC measurements; photoconductivity; perovskites solar cells; virtual instrumentation; PID and PWM control; SOLAR-RADIATION; PEROVSKITE;

D O I：

10.15446/ing.investig.v37n1.60765

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents details of the design and implementation of a system for measuring of thermally stimulated current (TSC) and transient photocurrent (I-ph), developed using the Virtual Instrumentation concept. For that we have used National Instrument hardware and the LabView (R) package as software. The system is controlled by a virtual instrument (VI) which includes facilities to perform measurements of photocurrent keeping the temperature of the sample and the pressure of the chamber of measurement controlled as well as real time display of the Iph vs t and TSC vs T curves. The system was tested by performing transient photocurrent and TSC measurements on CH3NH3PbI3 thin films that are generally used as absorbent layer of solar cells. This type of characterization is very useful to get information of the trapping and recombination processes that affect the transport properties of the devices.

引用

页码：75 / 79

页数：5

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