刘娇,鲍飞雄,傅干华,沈凯,麦耀华

• 1:暨南大学信息科学技术学院新能源技术研究院
• 2:成都中建材光电材料有限公司

摘要(Abstract)：

碲化镉(CdTe)薄膜太阳电池是最成功的产业化薄膜太阳电池技术。近年来,CdTe薄膜太阳电池的新一轮技术革新使小面积CdTe薄膜太阳电池的最高光电转换效率从16.5%快速提升至22.1%,该太阳电池的材料和结构的创新,以及相应的宽光谱响应特性是其光电转换效率提升的最显著原因。结合电池结构对宽光谱响应的高效Cd Te薄膜太阳电池的制备技术及研究进展进行了介绍,并对此类Cd Te薄膜太阳电池的发展做出展望。

关键词(KeyWords)： CdTe;薄膜太阳电池;缓冲层;CdSeTe;宽光谱响应

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(61804064);; 国家重点研发计划(2019YFB1503400);; 广东省自然科学基金(2019A1515011616)

作者(Author): 刘娇,鲍飞雄,傅干华,沈凯,麦耀华

DOI: 10.19911/j.1003-0417.tyn20210409.01

参考文献(References)：

• [1]PHILIPPS S,WARMUTH W.Photovoltaics Report[R].Freiburg:Fraunhofer Institute for Solar Energy Systems,2019.
• [2]GREEN M A,EMERY K,HISHIKAWA Y,et al.Solar cell efficiency tables[J].Progress in photovoltaics:Research and applications,2016,24:905-913.
• [3]ISLAM R,BANERJEE H,RAO D.Structural and optical properties of Cd SexTe1-x thin films grown by electron beam evaporation[J].Thin solid films,1995,266:215-218.
• [4]RUSSAK M A,CRETER C.Vacuum evaporated Cd Se1-xTex thin films for electrochemical photovoltaic cells[J].Journal of the electrochemical society,1984,131:556-562.
• [5]EL-NAHASS M,SALLAM M,AFIFI M,et al.Structural and optical properties of polycrystalline Cd SexTe1-x(0≤x≤0.4) thin films[J].Materials research bulletin,2007,42:371-384.
• [6]KEPHART J,KINDVALL A,WILLIAMS D,et al.Sputter-deposited oxides for interface passivation of Cd Te photovoltaics[J].IEEE journal of photovoltaics,2018,8:587-593.
• [7]SWANSON D E,SITES J R,SAMPATH W S.Cosublimation of Cd SexTe1-x layers for Cd Te solar cells[J].Solar energy materials and solar cells,2017,159:389-394.
• [8]AMIR F,CLARK K,MALDONADO E,et al.Epitaxial growth of Cd SexTe1-x thin films on Si(100) by molecular beam epitaxy using lattice mismatch graded structures[J].Journal of crystal growth,2008,310:1081-1087.
• [9]CAMPO E M,HIERL T,HWANG J C,et al.Comparison of cathodeluminescence and photoluminescence of Cd Se Te films grown on Si by molecular beam epitaxy[J].Proceedings of SPIE,2004,5564:86-91.
• [10]MUTHUKUMARASAMY N,BALASUNDARAPRABHUR,JAYAKUMAR S,et al.Compositional dependence of optical properties of hot wall deposited Cd SexTe1-x thin films[J].Physica status solidia-applications and materials science,2004,201:2312-2318.
• [11]MANGALHARA J,AGNIHOTRI O,THANGARAJ R.Structural,optical and photoluminescence properties of electron beam evaporated Cd Se1-xTex films[J].Solar energy materials and solar cells,1989,19:157-165.
• [12]KATHALINGAM A,KIM M R,CHAE Y S,et al.Study on electrodeposited Cd SexTe1-x semiconducting thin films[J].Journal of alloys and compounds,2010,505:758-761.
• [13]BITTAU F,POTAMIALIS C,TOGAY M,et al.Analysis and optimisation of the glass/TCO/MZO stack for thin film Cd Te solar cells[J].Solar energy materials and solar cells,2018,187:15-22.
• [14]SAMOILENKO Y,YEUNG G,ABBAS A,et al.Stable magnesium zinc oxide by reactive co-sputtering for Cd Tebased solar cells[J].Solar energy materials and solar cells,2020,210:110521.
• [15]何旭,任胜强,李春秀,等.Zn1-xMgxO能带结构及作为窗口层的Cd Te薄膜太阳电池的SCAPS仿真应用[J].无机材料学报,2018,6:635-640.
• [16]MUNSHI A H , KEPHART J , ABBAS A, et al .Polycrystalline Cd Se Te/Cd Te absorber cells with 28 m A/cm2 short-circuit current[J].IEEE journal of photovoltaics,2017,8(1):310-314.
• [17]WANG T,REN S,LI C,et al.Exploring window buffer layer technology to enhance Cd Te solar cell performance[J].Solar energy,2018,164:180-186.
• [18]MEYSING D M,GRIFFITH M M,RANCE W L,et al.Properties of reactively sputtered oxygenated cadmium sulfide(Cd S:O) and their impact on Cd Te solar cell performance[J].Journal of vacuum science&technology A:Vacuum,surfaces,and films,2015,33(2):021203.
• [19]HU A,ZHOU J,ZHONG P,et al.High-efficiency Cd Tebased thin-film solar cells with unltrathin Cd S:O window layer and processes with post annealing[J].Solar energy,2021,214:319-325.
• [20]PAUDEL N R,YAN Y.Enhancing the photo-currents of Cd Te thin-film solar cells in both short and long wavelength regions[J].Applied physics letters,2014,105(18):183510.
• [21]BAINES T,ZOPPI G,BOWEN L,et al.Incorporation of Cd Se layers into Cd Te thin film solar cells[J].Solar energy materials and solar cells,2018,180:196-204.
• [22]ABLEKIM T,DUENOW J N,ZHENG X,et al.Thin-film solar cells with 19%efficiency by thermal evaporation of Cd Se and Cd Te[J].ACS energy letters,2020,5(3):892-896.
• [23]FECHER F W,ROMERO A P,BRABEC C J,et al.Influence of a shunt on the electrical behavior in thin film photovoltaic modules--A 2D finite element simulation study[J].Solar energy,2014,105:494-504.
• [24]YANG X,BAO Z,LUO R,et al.Preparation and characterization of pulsed laser deposited Cd S/Cd Se bilayer films for Cd Te solar cell application[J].Materials science in semiconductor processing,2016,48:27-32.
• [25]PAUDEL N R,POPLAWSKY J D,MOORE K L,et al.Current enhancement of Cd Te-based solar cells[J].IEEEjournal of photovoltaics,2015,5(5):1492-1496.
• [26]REN S,WANG H,LI Y,et al.Rapid thermal annealing on Zn Mg O window layer for improved performance of Cd Te solar cells[J].Solar energy materials and solar cells,2018,187:97-103.
• [27]SHOCKLEY W,QUEISSER H J.Detailed balance limit of efficiency of p-n junction solar cells[J].Journal of applied physics,1961,32(3):510-519.
• [28]RüHLE S.Tabulated values of the Shockley-Queisser limit for single junction solar cells[J].Solar energy,2016,130:139-147.
• [29]LINGG M,SPESCHA A,HAASS S G,et al.Structural and electronic properties of Cd Te1-xSex films and their application in solar cells[J].Science and technology of advanced materials,2018,19(1):683-692.
• [30]ZHENG X,COLEGROVE E,DUENOW J N,et al.Roles of bandgrading,lifetime,band alignment,and carrier concentration in high-efficiency Cd Se Te solar cells[J].Journal of applied physics,2020,128(5):053102.
• [31]FIDUCIA T A,MENDIS B G,LI K X,et al.Understanding the role of selenium in defect passivation for highly efficient selenium-alloyed cadmium telluride solar cells[J].Nature energy,2019,4(6):504-511.
• [32]PANDEY R,SHIMPI T,MUNSHI A,et al.Impact of carrier concentration and carrier lifetime on Mg Zn O/Cd Se Te/Cd Te solar cells[J].IEEE journal of photovoltaics,2020,10(6):1918-1925.
• [33]HU A,ZHOU J,WU X,et al.The role of O2 in Cd Se Te thin film deposition and Cd Se Te/Cd Te solar cell performance[J].Solar energy materials and solar cells,2020,214:110595.
• [34]BOTHWELL A M,DRAYTON J A,JUNDT P M,et al.Close-space sublimation-deposited ultra-thin Cd Se Te/Cd Te solar cells for enhanced short-circuit current density and photoluminescence[J].Journal of visualized experiments,2020,157:60937.
• [35]ALBIN D S,AMARASINGHE M,REESE M O,et al.Colossal grain growth in Cd(Se,Te) thin films and their subsequent use in Cd Te epitaxy by close-spaced sublimation[J].Journal of physics energy,2021,3(2):024003.
• [36]COLEGROVE E,ZHENG X,ABLEKIM T,et al.Se diffusion in Cd Te thin films for photovoltaics[J].Journal of physics D applied physics,2020,54(2).
• [37]HU A,ZHOU J,JIANG Y,et al.Improving Cd Te-based thin-film solar cell efficiency with the oxygenated Cd Se layer prepared by sputtering process[J].Physica status solidia-applications and materials science,2020,217(24):200056.
• [38]GEISTHARDT R M,TOPI?M,SITES J R,et al.Status and potential of Cd Te solar-cell efficiency[J].IEEE journal of Photovoltaics,2015,5(4):1217-1221.
• [39]ZHAO Y,BOCCARD M,LIU S,et al.Monocrystalline Cd Te solar cells with open-circuit voltage over 1 V and efficiency of 17%[J].Nature energy,2016,1(6):16067.
• [40]BURST J M,DUENOW J N,ALBIN D S,et al.Cd Te solar cells with open-circuit voltage breaking the 1 V barrier[J].Nature energy,2016,1:16015.