scholarly journals Multijunction solar cell spectral response determination at radiation damage study

2021 ◽  
Vol 2103 (1) ◽  
pp. 012180
Author(s):  
S Levina ◽  
V Emelyanov ◽  
M Mintairov ◽  
M Nakhimovich ◽  
M Shvarts

Abstract This paper discusses multijunction solar cells with optically coupled p-n junctions under radiation exposure photosensitivity spectral response study. It is shown that if the measurement technique does not consider the luminescent coupling and does not track the optical coupling degradation, then instead of a decrease (which is a natural response of a photoconverter to radiation damage), an abnormal increase in the narrow-bandgap photoresponse (receiving luminescent radiation) subcell due to radiation damage can be observed. Accordingly, with an increase in the irradiation dose, an increase in the subcell photocurrent forming a “negative” degradation dependence of MJ SC being used in space applications is recorded.

2021 ◽  
Vol 27 (S1) ◽  
pp. 3358-3359
Author(s):  
Hyeokmin Choe ◽  
Eric Montgomery ◽  
Ilya Ponomarev ◽  
June Lau ◽  
Yimei Zhu ◽  
...  

2013 ◽  
Vol 178 (20) ◽  
pp. 1464-1468 ◽  
Author(s):  
Yu-Jie Ma ◽  
Fei Lu ◽  
Jiao-Jian Yin ◽  
Chang-Dong Ma

Author(s):  
Wah Chiu ◽  
T.W. Jeng

Radiation damage is a well known phenomenon in the electron microscopic study of thin crystals of macromolecules. A quantitative description of radiation damage is essential for at least 3 reasons: (i) it can provide numerical parameters for evaluating the extent of specimen damage at various experimental conditions, (ii) it can provide an indicator as to the maximum number of diffraction patterns and images obtainable from a single crystal before the specimen is significantly altered, and (iii) since the specimen is being altered after the initial hit by the electrons, schemes are needed to make correction of the data prior to its use for structural calculation. This paper primarily deals with the methodology used to evaluate the quantitative aspects of radiation damage of thin protein crystals. The example of crystal used in this study was crotoxin complex embedded in glucose.A standard set of data recorded in a radiation damage study is a series of electron diffraction patterns from a single crystal. The important experimental variables include the exposure rate, the exposure time and the accumulating exposure between successive patterns.


2009 ◽  
Vol 54 (5(2)) ◽  
pp. 2066-2070 ◽  
Author(s):  
Y.I. Kim ◽  
H.J. Hyun ◽  
D.H. Kah ◽  
Heedong Kang ◽  
H.J. Kim ◽  
...  

2016 ◽  
Vol 6 (3) ◽  
pp. 777-782 ◽  
Author(s):  
Lin Zhu ◽  
Masahiro Yoshita ◽  
Shaoqiang Chen ◽  
Tetsuya Nakamura ◽  
Toshimitsu Mochizuki ◽  
...  

2011 ◽  
Author(s):  
Maung Tin Moe Lwin ◽  
Yusoff Mohd. Amin ◽  
Hasan Abu Kassim ◽  
Abdul Aziz Mohamed ◽  
Julia Abdul Karim

2021 ◽  
Vol 8 ◽  
Author(s):  
J. Li ◽  
A. Aierken ◽  
Y. Liu ◽  
Y. Zhuang ◽  
X. Yang ◽  
...  

The demands for space solar cells are continuously increasing with the rapid development of space technologies and complex space missions. The space solar cells are facing more critical challenges than before: higher conversion efficiency and better radiation resistance. Being the main power supply in spacecrafts, III-V multijunction solar cells are the main focus for space application nowadays due to their high efficiency and super radiation resistance. In multijunction solar cell structure, the key to obtaining high crystal quality and increase cell efficiency is satisfying the lattice matching and bandgap matching conditions. New materials and new structures of high efficiency multijunction solar cell structures are continuously coming out with low-cost, lightweight, flexible, and high power-to-mass ratio features in recent years. In addition to the efficiency and other properties, radiation resistance is another sole criterion for space solar cells, therefore the radiation effects of solar cells and the radiation damage mechanism have both been widely studied fields for space solar cells over the last few decades. This review briefly summarized the research progress of III-V multijunction solar cells in recent years. Different types of cell structures, research results and radiation effects of these solar cell structures under different irradiation conditions are presented. Two main solar cell radiation damage evaluation models—the equivalent fluence method and displacement damage dose method—are introduced.


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