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Adjustable transient photoelectric measurement system

A photoelectric measurement and voltage measurement circuit technology, applied in the monitoring of photovoltaic systems, photovoltaic power generation, photovoltaic modules, etc., can solve problems such as manpower and time, and achieve the effect of improving accuracy, suppressing noise, and realizing electromagnetic compatibility.

Pending Publication Date: 2022-03-01
INST OF PHYSICS - CHINESE ACAD OF SCI
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Problems solved by technology

However, at present, the controllable transient photoelectric measurement and data analysis need to consume a lot of manpower and time

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  • Adjustable transient photoelectric measurement system
  • Adjustable transient photoelectric measurement system
  • Adjustable transient photoelectric measurement system

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Embodiment Construction

[0044] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0045]Although an adjustable transient photoelectric measurement method has been proposed at present, since a complete set of instrument systems with integrated automatic control has not yet been developed, it takes a lot of manpower and time to perform adjustable transient photoelectric measurement and data analysis. , which is unfavorable for the propagation and generalization of controllable transient photoelectric measurement me...

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Abstract

The invention provides an adjustable transient photoelectric measurement system which comprises a sample module, a bias illumination module, a pulse laser module, a voltage bias module, a filter module, a sampling resistor module, an electrical signal measurement module and an automatic control and data processing module. And the function switching module is used for realizing switching among a non-electrical regulation and control mode, an electrical regulation and control transient light current mode and an electrical regulation and control transient light voltage mode. The adjustable transient photoelectric measurement system can be used for rapidly and automatically measuring the charge dynamic process of photoelectric devices such as solar cells under different bias voltages and illumination states so as to measure and analyze charge transport and recombination properties in the devices. The system is provided with an integrated instrument structure, modularized functional area division, a perfect panel and interface and an automatic control program, the integration level is high, and manpower and time consumed by transient photoelectric measurement and data analysis can be greatly saved.

Description

technical field [0001] The invention relates to the technical field of photoelectric measurement, in particular to an adjustable transient photoelectric measurement system that can be used for the charge dynamics measurement and characterization of photoelectric devices such as solar cells. Background technique [0002] Solar cells are an important clean energy technology that convert solar energy directly into electricity. The photoelectric conversion process of solar cells involves multiple photoelectric physical processes with different time scales, and these processes have different kinetic properties. Accurate measurement of these kinetic properties is of great significance for in-depth understanding of the working mechanism and performance loss of solar cells. Therefore, the development of related measurement techniques and instrument systems is of great value to both scientific research and industrial production. [0003] Transient photoelectric measurement technolog...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S50/15
CPCH02S50/15Y02E10/50
Inventor 石将建孟庆波李一明李冬梅
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
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