Modeling of the persistent photoconductivity in Cu(In,Ga)Se2: On the origin of the temperature and light intensity dependences

Maciaszek Marek; Bieganski Adam

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Modeling of the persistent photoconductivity in Cu(In,Ga)Se2: On the origin of the temperature and light intensity dependences

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The temperature and light intensity dependences of persistent photoconductivity (PPC) in Cu(In,Ga)Se2 thin films have not been fully understood so far. We show by means of the numerical simulations that experimental characteristics of PPC can be explained by the combination of two factors: a higher than previously assumed energy barrier for the electron capture process (at least 0.26 eV), and stretched-exponential character of tran-sients. Our findings are compatible with the hypothesis linking PPC in Cu(In,Ga)Se2 with a defect exhibiting the large lattice relaxation, like the Se-Cu divacancy complex (VSe-VCu).

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《Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films》 |2023年第30期|1.1-1.5|共5页
作者
Maciaszek Marek; Bieganski Adam;
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作者单位

Ctr Phys Sci & Technol FTMC;

Warsaw Univ Technol;

Univ Lyon;

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原文格式 PDF
正文语种英语
中图分类薄膜技术;工程材料学;
关键词
Photovoltaics; Metastability; Persistent photoconductivity; Stretched-exponentials; Cu(In; Ga)Se 2;

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1. Persistent photoconductivity in (Al,Ga)As/GaAs modulation doped structures: Dependence on structure and growth temperature [J] . J. Klem, W. T. Masselink, D. ArnoldR. FischerT. J. DrummondH. Morkoccedil, journal of applied physics . 1983,第9期

机译：Persistent photoconductivity in (Al,Ga)As/GaAs modulation doped structures: Dependence on structure and growth temperature
2. Temperature and spectral dependences of persistent photoconductivity in YBa2Cu3Oxthin films [J] . S.L.Budko, H.H.Feng, M.F.DavisJ.C.WolfeP.H.Hor Journal of Superconductivity . 1994,第4期

机译：Temperature and spectral dependences of persistent photoconductivity in YBa2Cu3Oxthin films
3. Spectral dependence and Hall effect of persistent photoconductivity in polycrystalline Cu(In,Ga)Se_(2) thin films [J] . Th. Meyer, F. Engelhardt, J. ParisiU. Rau Journal of Applied Physics . 2002,第8期

机译：Spectral dependence and Hall effect of persistent photoconductivity in polycrystalline Cu(In,Ga)Se_(2) thin films
4. Improvement of Cu(In,Ga)Se2 photovoltaic performance by adding Cu-poor compounds Cu(In,Ga)_3Se_5 at Cu(In,Ga)Se2/CdS interface [C] . Soma Toki, Takahito Nishimura, Hiroki Sugiura, IEEE Photovoltaic Specialist Conference . 2017

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5. Energy Band Alignment at Grain Boundaries and Its Effects on the Photovoltaic Performance in Cu(In,Ga)Se2, Cu2ZnSn(S,Se) 4 and Perovskite Thin Films [D] . Ma, Yaping. 2017

机译：晶界的能带对准及其对Cu（In，Ga）Se2，Cu2znsn（SE，Se）4和钙钛矿薄膜的光伏性能的影响
6. Analysis of Post-Deposition Recrystallization Processing via Indium Bromide of Cu(InGa)Se2 Thin Films [O] . Deewakar Poudel, Benjamin Belfore, Tasnuva Ashrafee, 2021

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机译：用于Cu（IN，GA）SE2太阳能电池的精确控制的Cu缺陷层和Cu（Ga）Se2吸收器之间的界面的表征（Phy。Station Solidi RRL 8/2018）
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Modeling of the persistent photoconductivity in Cu(In,Ga)Se2: On the origin of the temperature and light intensity dependences

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