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2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)最新文献

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Simulation of Light Trapping in Ultra-thin Crystalline Silicon Absorber with Silver Nanodisc Back Reflector 银纳米片背向反射器在超薄晶体硅吸收器中的光捕获模拟
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547342
James E. Moore, W. Yoon, P. Jenkins, R. Walters
{"title":"Simulation of Light Trapping in Ultra-thin Crystalline Silicon Absorber with Silver Nanodisc Back Reflector","authors":"James E. Moore, W. Yoon, P. Jenkins, R. Walters","doi":"10.1109/PVSC.2018.8547342","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547342","url":null,"abstract":"In this paper we simulate a nanodisc reflector array that can enhance light trapping to overcome the limitations of low absorption in thin crystalline Si (c-Si). We performed a numerical simulation for a cell design with a thin c-Si absorber layer less than 20$mu$m thick. Our results show that a potential short circuit current increase of up to 22.9% is achievable, effectively doubling the optical path length compared to a planar metallic reflector.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"36 1","pages":"2909-2912"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72779614","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
Modeling of practical light management for absorption enhancement in III-V multi-junction and quantum-dot solar cells III-V型多结和量子点太阳能电池增强吸收的实际光管理建模
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547395
G. Nelson, Julia R. D’Rozario, S. Polly, Rao Tatavartiy, S. Hubbard
{"title":"Modeling of practical light management for absorption enhancement in III-V multi-junction and quantum-dot solar cells","authors":"G. Nelson, Julia R. D’Rozario, S. Polly, Rao Tatavartiy, S. Hubbard","doi":"10.1109/PVSC.2018.8547395","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547395","url":null,"abstract":"Light management can be used in III-V solar cells to increase quantum dot (QD) absorption without the need for excessive strain balancing. It may also be used to harden space cells against high-energy, damaging particles. A model was developed integrating simulations from electromagnetics and device physics software packages to evaluate absorption enhancement in, and performance of, III-V solar cells with textured surfaces, respectively. Simulated textures were based on what could be practically reproduced using conventional photolithography, wet etching, and substrate removal techniques. The model predicted that a nanostructured GaAs cell with a pyramid-textured back surface reflector (BSR) could enhance absorption of in the nanostructures by over 30 times that of a conventional upright design of the same thickness. The model also found that integrated light management could be used to radiation harden InGaP/GaAs/Ge space cells by thinning the GaAs subcell to less than half of the conventional thickness.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"14 1","pages":"2913-2917"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75491197","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: 3
Corrugation Architecture Enabled Ultra-Flexible Mono-Crystalline Silicon Solar Cells via Plasma Etching and Laser Ablation 波纹结构通过等离子体蚀刻和激光烧蚀实现超柔性单晶硅太阳能电池
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547699
R. Bahabry, A. Sepulveda, A. Kutbee, S. Shaikh, M. Hussain
{"title":"Corrugation Architecture Enabled Ultra-Flexible Mono-Crystalline Silicon Solar Cells via Plasma Etching and Laser Ablation","authors":"R. Bahabry, A. Sepulveda, A. Kutbee, S. Shaikh, M. Hussain","doi":"10.1109/PVSC.2018.8547699","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547699","url":null,"abstract":"Extreme mechanical flexibility is highly desirable for the new generation of Mono-Crystalline Silicon solar cells while maintaining the high power conversion efficiency. Here, we show a novel corrugation architecture, which transforms rigid interdigitated back contact 5 $times$5 inch c-Si solar wafers into an ultra-flexible (140 m bending radius) version while retaining its original efficiency of 17%. We also investigated using both fluorine-based plasma and Ytterbium fiber laser for forming the corrugation architecture.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"46 1","pages":"0289-0292"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75686361","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
Performance optimization techniques for the front and back of nanostructured ‘black silicon’ solar cells 纳米结构“黑硅”太阳能电池正面和背面的性能优化技术
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547924
Wenqi Duan, Bingtao Gao, K. E. Haque, F. Toor
{"title":"Performance optimization techniques for the front and back of nanostructured ‘black silicon’ solar cells","authors":"Wenqi Duan, Bingtao Gao, K. E. Haque, F. Toor","doi":"10.1109/PVSC.2018.8547924","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547924","url":null,"abstract":"In this work we present techniques to improve the front and back surface performance of nanostructured black silicon (bSi) solar cells. Proximity doping using ammonium dihydrogen phosphate (ADP) is used to reduce the physical impact on the nanostructure of bSi during fabrication. Potassium hydroxide (KOH) is used to etch off the highly doped region of the front emitter. Forming gas anneal (FGA) is employed to reduce the series resistance and enhance surface passivation, improving cell efficiency by over 31%. The back-surface-field (BSF) formed by sputtered aluminum (A1) is optimized to reduce backside recombination rate, improving external quantum efficiency (EQE) by an average of 8.31% in the long wavelength region.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"13 1","pages":"3080-3085"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75709452","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
Efficient light trapping in silicon heterojunction solar cells via nanoimprint periodic texturing 基于纳米压印周期性纹理的硅异质结太阳能电池的高效光捕获
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547746
S. A. Nadi, Alaaeldin Gad, F. Lentz, Y. Augarten, K. Bittkau, A. Lambertz, Do Yun Kim, Li Ding, A. Wrigley, U. Rau, K. Ding
{"title":"Efficient light trapping in silicon heterojunction solar cells via nanoimprint periodic texturing","authors":"S. A. Nadi, Alaaeldin Gad, F. Lentz, Y. Augarten, K. Bittkau, A. Lambertz, Do Yun Kim, Li Ding, A. Wrigley, U. Rau, K. Ding","doi":"10.1109/PVSC.2018.8547746","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547746","url":null,"abstract":"The surface patterning of Si heterojunction solar cells is of key importance to enhance the light trapping properties and enable high efficiencies of the emerging thin crystalline silicon solar cells. Herein, periodic inverted pyramids with different periodicity patterns were fabricated by nanoimprint lithography in combination with dry- and wetetching techniques. The impact of their periodicity on the light trapping properties was studied by measuring their reflectance and photoluminescence properties. The inverted pyramids with 700 nm periodicity show excellent anti-reflection and selective light-trapping properties.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"159 1","pages":"3062-3064"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72707399","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
Localized solar power prediction based on weather data from local history and global forecasts 基于当地历史和全球预报的天气数据的局部太阳能预测
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8548173
C. Poolla, A. Ishihara
{"title":"Localized solar power prediction based on weather data from local history and global forecasts","authors":"C. Poolla, A. Ishihara","doi":"10.1109/PVSC.2018.8548173","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8548173","url":null,"abstract":"With the recent interest in net-zero sustainability for commercial buildings, integration of photovoltaic (PV) assets becomes even more important. This integration remains a challenge due to high solar variability and uncertainty in the prediction of PV output. Most existing methods predict PV output using either local power/weather history or global weather forecasts, thereby ignoring either the impending global phenomena or the relevant local characteristics, respectively. This work proposes to leverage weather data from both local weather history and global forecasts based on time series modeling with exogenous inputs. The proposed model results in eighteen hour ahead forecasts with a mean accuracy of ≈ 80 % and uses data from the National Ocean and Atmospheric Administration’s (NOAA) High-Resolution Rapid Refresh (HRRR) model.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"25 1","pages":"2341-2345"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74825488","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: 7
Ageing evaluation of different polymeric Er3+ downshifters exposed to harsh outdoor conditions 恶劣室外环境下不同聚合物Er3+降档器的老化评价
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8548147
B. González-Díaz, C. Hernández-Rodríguez, D. Cañadillas-Ramallo, J. Sanchiz, R. Guerrero-Lemus
{"title":"Ageing evaluation of different polymeric Er3+ downshifters exposed to harsh outdoor conditions","authors":"B. González-Díaz, C. Hernández-Rodríguez, D. Cañadillas-Ramallo, J. Sanchiz, R. Guerrero-Lemus","doi":"10.1109/PVSC.2018.8548147","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8548147","url":null,"abstract":"In this work a comparison of the ageing of [Eu(bathphen)(tta)3]/PMMA and [Eu(pyphen)(tta3)/PMMA downshifters placed on top of solar panels in the field is reported. The solar panels have been placed in Tenerife, Canary Island, and exposed to harsh outdoor conditions. The downshifters have been covered by a low iron glass to simulate the encapsulation. The results reveal an improvement of the total power of the solar panels with downshifters in comparison with a reference panel. Moreover, [Eu(bathphen)(tta)3]/PMMA, shows no evidence of degradation after 3 weeks exposed to the ambient conditions. A climatic chamber has been also used to accelerate the degradation process, showing that the UV dose on the DS layer is directly related to the degradation of the down-shifting properties of this layer.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"42 1","pages":"2882-2885"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78198359","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
Infrared blocking and bifacial transparent a-Si:H solar cells 红外阻挡和双面透明a-Si:H太阳能电池
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547276
J. Lim, Gayoung Kim, M. Shin
{"title":"Infrared blocking and bifacial transparent a-Si:H solar cells","authors":"J. Lim, Gayoung Kim, M. Shin","doi":"10.1109/PVSC.2018.8547276","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547276","url":null,"abstract":"The a-Si:H transparent solar cells were fabricated as solar windows. The asymmetric multi-layered transparent (AMT) electrodes were applied as transparent electrodes in the solar cells and they can provide the functions of infrared blocking for thermal insulation and of effective bifacial power generation. Varying the conditions of transparent electrodes and the thickness of intrinsic layer, we obtained improved cell efficiency of bifacial power generation using LED light with backside illumination. And employment of AMT electrodes on both sides lower the average transmittance of near IR region as 4.4 %, which would be beneficial to equip thermal insulation properties.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"19 1","pages":"350-352"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72658297","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
Investigation of antimonide-based semiconductors for high-efficiency multi-junction solar cells 高效多结太阳能电池用锑基半导体的研究
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547496
S. Parola, A. Vauthelin, F. Martinez, J. Tournet, J. E. Husseini, J. Kret, Etienne Qbesnel, Y. Rouillard, É. Tournié, Y. Cuminal
{"title":"Investigation of antimonide-based semiconductors for high-efficiency multi-junction solar cells","authors":"S. Parola, A. Vauthelin, F. Martinez, J. Tournet, J. E. Husseini, J. Kret, Etienne Qbesnel, Y. Rouillard, É. Tournié, Y. Cuminal","doi":"10.1109/PVSC.2018.8547496","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547496","url":null,"abstract":"This paper reports on the investigation of Al<inf>x</inf>Ga<inf>1-x</inf>As<inf>y</inf>Sb<inf>1-y</inf> alloys lattice-matched to GaSb for multi-junction solar cell applications. Optical and electrical characterizations of Al<inf>x</inf>Ga<inf>1-x</inf>As<inf>y</inf>Sb<inf>1-y</inf> alloys are carried out to provide accurate material parameters for simulations. Simulations are then performed with these experimental data to propose an optimized and promising structure for Al<inf>x</inf>Ga<inf>1-x</inf>As<inf>y</inf>Sb<inf>1-y</inf> subcells.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"68 1","pages":"0937-0942"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74950370","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: 5
Optimization and Characterization of Phosphorus Diffused LPCVD Polysilicon Passivated Contacts with Low Pressure Tunnel Oxide 磷扩散LPCVD多晶硅低压隧道氧化物钝化触点的优化与表征
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) Pub Date : 2018-06-01 DOI: 10.1109/PVSC.2018.8547448
K. Fong, T. Kho, Wensheng Liang, T. Chong, M. Ernst, D. Walter, M. Stocks, E. Franklin, K. McIntosh, A. Blakers
{"title":"Optimization and Characterization of Phosphorus Diffused LPCVD Polysilicon Passivated Contacts with Low Pressure Tunnel Oxide","authors":"K. Fong, T. Kho, Wensheng Liang, T. Chong, M. Ernst, D. Walter, M. Stocks, E. Franklin, K. McIntosh, A. Blakers","doi":"10.1109/PVSC.2018.8547448","DOIUrl":"https://doi.org/10.1109/PVSC.2018.8547448","url":null,"abstract":"This work presents the investigation of low pressure in-situ thermal oxidation as the interfacial oxide for n+ polysilicon-oxide passivated contact structure, achieving excellent surface passivation below 1 fA·cm-2 and contact resistivity below 1 mΩ·cm2. The results from the process optimisation are presented in detail, showing the importance of accurate control of oxidation conditions, and presenting the correlation to the electrical properties. Additionally, a method of fabricating contact resistivity structures from symmetrical photoconductance decay lifetime samples, and the extraction of the specific contact resistivity using 3D numerical simulation is presented.","PeriodicalId":6558,"journal":{"name":"2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)","volume":"120 2 1","pages":"2002-2005"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74953987","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
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