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2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)最新文献

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Identification of solar module behavior originating from backsheet failure - from lab studies to field tests 由背板失效引起的太阳能组件性能鉴定——从实验室研究到现场试验
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518449
C. Buerhop, O. Stroyuk, Tobias Pickel, J. Hauch, I. M. Peters
{"title":"Identification of solar module behavior originating from backsheet failure - from lab studies to field tests","authors":"C. Buerhop, O. Stroyuk, Tobias Pickel, J. Hauch, I. M. Peters","doi":"10.1109/PVSC43889.2021.9518449","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518449","url":null,"abstract":"In this work we introduce a combination of spectral, imaging and electric lab and field tests that complement field I-V and power measurements and allow to track the insulation failures of the solar modules and associate various failure modes with different types of the module backsheets.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"3 1","pages":"0831-0834"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75351031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Uniqueness verification of blue fraction as a parameter of spectral irradiance quantification 作为光谱辐照度定量参数的蓝色部分的唯一性验证
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518948
B. Paudyal, A. G. Imenes
{"title":"Uniqueness verification of blue fraction as a parameter of spectral irradiance quantification","authors":"B. Paudyal, A. G. Imenes","doi":"10.1109/PVSC43889.2021.9518948","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518948","url":null,"abstract":"The spectral distribution of global irradiance is measured in the optimal tilt (45° south) plane of array for the calender year 2020 in Grimstad, Norway. In this work the spectral distribution is quantified in terms of the Blue Fraction (BF). The uniqueness of BF has been tested and reported using the same methodology used for uniqueness verification of average photon energy (APE). The results show that the coefficient of correlation between the APE and BF was 0.98, meaning a possible bijective relation between these two parameters whereby both indicate a similar spectrum. The percentage contribution of integrated irradiance (Rc) was calculated for 25 nm wavelength bins for the BF region 350-650 nm. Spectra are grouped by their BF value in steps of 0.02, each group containing measurements falling within ±0.01 of the central value. The corresponding standard deviation (SD) varied from 0.05% to 0.21% for the spectra denoted by BF values from 0.44 to 0.60. The coefficient of variation (CV) was found as high as 12% for the wavelengths below 450 nm while it remained relatively low from 450-650 nm, meaning a low dispersion of Rc values around the mean value. The results indicate that the uniquenss of BF can be statistically confirmed for the measured wavelength range.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"208 1","pages":"2563-2568"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75870755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Synthesis and Characterization of Solution Processed Silver Indium Diselenide Thin Films 溶液法制备银铟二硒化薄膜的合成与表征
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518774
David J. Rokke, Kyle G Weideman, A. Murray, R. Agrawal
{"title":"Synthesis and Characterization of Solution Processed Silver Indium Diselenide Thin Films","authors":"David J. Rokke, Kyle G Weideman, A. Murray, R. Agrawal","doi":"10.1109/PVSC43889.2021.9518774","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518774","url":null,"abstract":"Silver indium diselenide (AgInSe2) is a promising but under-investigated absorber material. In this work, we present a solution processing route to fabricate AgIn(S,Se)2 thin films and characterize basic electronic properties. We present Hall Effect, Kelvin Probe Force Microscopy (KPFM), and Photoluminescence (PL) results that demonstrate promising characteristics, including high carrier mobilities and benign grain boundaries. We propose that weakly n-type AgInSe2 should be applied in p-i-n type solar cells, contrary to prior attempts at making p-n AgInSe2 devices. This will necessitate a careful selection of suitable electron and hole transporting layers.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"38 1","pages":"1829-1831"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74387427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical Modeling of n-CdTe/p-ZnTe Thin Film Solar Cells n-CdTe/p-ZnTe薄膜太阳能电池的数值模拟
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518791
Wei Wang, V. Palekis, Md. Zahangir Alom, Sheikh Tawsif Elahi, C. Ferekides
{"title":"Numerical Modeling of n-CdTe/p-ZnTe Thin Film Solar Cells","authors":"Wei Wang, V. Palekis, Md. Zahangir Alom, Sheikh Tawsif Elahi, C. Ferekides","doi":"10.1109/PVSC43889.2021.9518791","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518791","url":null,"abstract":"Improving the open circuit voltage (VOC) has always been a critical need and focus in the research of CdTe solar cells. High n-type doping in CdTe is easier to achieve compare to p-type doping. In this paper, numerical simulations are used to investigate the factors that impact VOC in n-CdTe/p-ZnTe heterojunction solar cells. The impact of the properties of the n-CdTe absorber layer, p-ZnTe window layer and n-CdTe/p-ZnTe heterojunction interface have been studied. Simulation results from SCAPS-1D and AMPS-1D have been utilized to demonstrate the impact of n-type doping concentration, minority carrier lifetime and absorber/emitter interface defect density on device performance and are presented in this manuscript.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"1 1","pages":"1676-1679"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74749389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High Speed 3-Dimensional Characterisation of Graded CdSeTe/CdTe PV Devices Using a Xenon Plasma-Focused Ion beam (PFIB) 利用氙等离子体聚焦离子束(PFIB)高速三维表征渐变CdSeTe/CdTe光伏器件
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9519098
V. Kornienko, S. Robertson, R. Maclachlan, T. Shimpi, W. Sampath, K. Barth, T. Fiducia, A. Abbas, Y. Tse, J. Bowers, M. Walls
{"title":"High Speed 3-Dimensional Characterisation of Graded CdSeTe/CdTe PV Devices Using a Xenon Plasma-Focused Ion beam (PFIB)","authors":"V. Kornienko, S. Robertson, R. Maclachlan, T. Shimpi, W. Sampath, K. Barth, T. Fiducia, A. Abbas, Y. Tse, J. Bowers, M. Walls","doi":"10.1109/PVSC43889.2021.9519098","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9519098","url":null,"abstract":"3D electron backscatter diffraction (3D EBSD) was carried out using a Xe-PFIB on CdTe thin film solar cells, with a graded CdSeTe (CST) layer. Devices with different ranges of CST and CdTe thickness were investigated. Grain size, texture, coincident site lattice (CSL) boundaries through the film thickness were revealed by 3D EBSD and the elemental composition of the layers was studied using energy dispersive x-ray spectroscopy (EDS). Results show a reduction of (111) texture intensity and grain size when transitioning from CdTe to the graded (CST) layer. The CST has near randomised texture with weak (001) texture. Analysis of CSL boundaries showed that the CST layer in all devices has a lower frequency of Σ3 grain boundaries relative to other types of grain boundaries with a reduction of 15-22% from the CdTe to the CST layer.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"29 1","pages":"0621-0626"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74754989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantifying Bulk and Surface Recombination in CdTe Solar Cells Using Time-Resolved Terahertz Spectroscopy 用时间分辨太赫兹光谱定量CdTe太阳能电池的体和表面复合
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518559
Mohammad M. Taheri, Triet M. Truong, S. Fields, W. Shafarman, B. McCandless, J. B. Baxter
{"title":"Quantifying Bulk and Surface Recombination in CdTe Solar Cells Using Time-Resolved Terahertz Spectroscopy","authors":"Mohammad M. Taheri, Triet M. Truong, S. Fields, W. Shafarman, B. McCandless, J. B. Baxter","doi":"10.1109/PVSC43889.2021.9518559","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518559","url":null,"abstract":"Understanding the nature of recombination mechanisms is essential for higher power conversion efficiency in photovoltaic (PV) devices. Here we use a combination of time-resolved terahertz spectroscopy and numerical modeling to determine the bulk Shockley-Read-Hall lifetime and interface and back surface recombination velocities in CdTe thin film stacks. The measurement was facilitated by fabricating wire-grid device structures using conventional laser scribing. Evaluation of a glass/FTO/SnO2/CdS/CdTe stack treated with CdCl2 allowed separation of the CdTe absorber bulk lifetime, 1.6 ns, from the back surface recombination velocity, ~6x104 cm/s, and indicated that CdTe/CdS interface recombination velocity had no significant impact on carrier dynamics.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"21 1","pages":"0648-0651"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73074357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling Optimal PV System Sizing for Zero Energy Buildings 零能耗建筑光伏系统优化规模建模
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518756
Morteza Thaherkhani, M. Ahmadi, S. Chandra, M. Nasiri, S. McCormack
{"title":"Modelling Optimal PV System Sizing for Zero Energy Buildings","authors":"Morteza Thaherkhani, M. Ahmadi, S. Chandra, M. Nasiri, S. McCormack","doi":"10.1109/PVSC43889.2021.9518756","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518756","url":null,"abstract":"Considering increasing global warming and the contribution of renewable energy resources, minimizing supply the energy consumption of residential buildings using conventional generation is a critical issue. In a Nearly zero-energy building (NZEB), the total amount of energy consumed by the building is produced onsite through renewables energy resources. In this paper, a stochastic optimization model is presented to design an optimal grid-connected Photovoltaic (PV) system to supply the optimum electrical and heating loads for NZEB designs. The objective function of the proposed model is to optimize costs of the PV system, heating system, and electrical loads, and profit of selling surplus power into the grid. The results illustrate that when designing an optimal NZEB based on the optimum PV system, optimal space heating load and electrical loads are vital. This model is applied to a sample building in Dublin, Ireland to show the operability of the proposed methodology for different scenarios based on the solar radiation uncertainty.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"1 1","pages":"2027-2031"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75300468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoluminescence Study of the MgxZn1-xO/CdSeyTe1-y Interface: The Effect of Oxide Bandgap and Resulting Band Alignment MgxZn1-xO/CdSeyTe1-y界面的光致发光研究:氧化物带隙和带对准的影响
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9519010
Carey Reich, G. Yeung, A. Onno, A. Danielson, Z. Holman, C. Wolden, W. Sampath
{"title":"Photoluminescence Study of the MgxZn1-xO/CdSeyTe1-y Interface: The Effect of Oxide Bandgap and Resulting Band Alignment","authors":"Carey Reich, G. Yeung, A. Onno, A. Danielson, Z. Holman, C. Wolden, W. Sampath","doi":"10.1109/PVSC43889.2021.9519010","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9519010","url":null,"abstract":"MgxZn1-xO (MZO) has recently gained popularity as a transparent electron contact in CdTe-based solar cells. The value of the conduction band offset (CBO) and, hence, of the MZO bandgap are often considered essential parameters of this interface, as—in theory—the CBO has a strong impact on both the conduction of electrons and the recombination of holes. However, in this contribution, we report MZO/CdSeTe interfaces where recombination appears to be independent of the CBO. The implications of such results are discussed.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"14 1","pages":"1468-1471"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73976103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improved Methodology for Typical Meteorological Year Month Selection Matching Annual Irradiance 与年辐照度匹配的典型气象年月选择的改进方法
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518562
Russell K. Jones
{"title":"Improved Methodology for Typical Meteorological Year Month Selection Matching Annual Irradiance","authors":"Russell K. Jones","doi":"10.1109/PVSC43889.2021.9518562","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518562","url":null,"abstract":"Long-term solar resource and weather data, and typical meteorological year (TMY) time series derived from long term observations, are key inputs for solar plant modeling and financing. In particular, PV plant analyses using single-year TMY data representing the 50th percentile (average) and 90th percentile are typically demanded by banks and other stakeholders. The standard methodology used to construct TMY series does not ensure that the selected months accurately match the annual resource values. This paper describes an improved month selection methodology to incorporate match to annual resource values as a criterion, resulting in improved overall fidelity of the TMY series in representing the underlying long-term data. This improved methodology has been applied to a satellite model dataset to produce 50th and 90th percentile data series throughout Saudi Arabia on a 0.1°x0.1° resolution grid to support solar industry stakeholders in the Kingdom.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"22 1","pages":"0018-0022"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74992355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Rigorous Coupled Wave Analysis of GaAs Thermophotovoltaic Devices with a Patterned Dielectric Back Contact 具有图案介电背接触的砷化镓热光伏器件的严格耦合波分析
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Pub Date : 2021-06-20 DOI: 10.1109/PVSC43889.2021.9518396
Madhan K. Arulanandam, J. Buencuerpo, M. Steiner, Eric J. Tervo, L. Kuritzky, E. Perl, B. Kayes, Justin A. Briggs, R. King
{"title":"Rigorous Coupled Wave Analysis of GaAs Thermophotovoltaic Devices with a Patterned Dielectric Back Contact","authors":"Madhan K. Arulanandam, J. Buencuerpo, M. Steiner, Eric J. Tervo, L. Kuritzky, E. Perl, B. Kayes, Justin A. Briggs, R. King","doi":"10.1109/PVSC43889.2021.9518396","DOIUrl":"https://doi.org/10.1109/PVSC43889.2021.9518396","url":null,"abstract":"In principle, a patterned dielectric back contact structure in a GaAs thermophotovoltaic device boosts the sub-bandgap reflectance. Rigorous coupled wave analysis method is used to study the three dimensional (3D) periodic grating effects of metal point contact diameter and spacing on sub-bandgap reflectance of the device.","PeriodicalId":6788,"journal":{"name":"2021 IEEE 48th Photovoltaic Specialists Conference (PVSC)","volume":"82 1","pages":"2580-2583"},"PeriodicalIF":0.0,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77515515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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