2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)最新文献_第10页

The physics of Vbi-related IV crossover in thin film solar cells: Applications to ink deposited CZTSSe 薄膜太阳能电池中与vbi相关的IV交叉的物理学:在油墨沉积CZTSSe上的应用

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6745146

James E. Moore, C. Hages, Nathaniel J. Carter, R. Agrawal, Mark S. Lundstrom

引用次数: 13

Influence of light-soaking treatment on the optoelectronic properties of polymorphous silicon thin films to be used in solar cells 浸光处理对太阳能电池用多晶硅薄膜光电性能的影响

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744205

C. Álvarez-Macías, B. Monroy, L. Huerta, M. A. Canseco-Martinez, M. Picquart, M. Sanchez, G. Santana

{"title":"Influence of light-soaking treatment on the optoelectronic properties of polymorphous silicon thin films to be used in solar cells","authors":"C. Álvarez-Macías, B. Monroy, L. Huerta, M. A. Canseco-Martinez, M. Picquart, M. Sanchez, G. Santana","doi":"10.1109/PVSC.2013.6744205","DOIUrl":"https://doi.org/10.1109/PVSC.2013.6744205","url":null,"abstract":"In this work we show the different trends in the optoelectronic properties of polymorphous silicon thin films under light-soaking for long exposure times. These thin films were grown by Plasma Enhanced Chemical Vapor Deposition using dichlorosilane as precursor gas and different hydrogen dilutions. When the samples were illuminated by white light at power density of 100 mW/cm2 (AM1.5 condition) during 250 h continuously, singular behaviors on the photoconductivity measurements were shown. The different trends are explained as a function of the crystalline fraction and chemical composition of these films. XPS shows that an oxidation process takes place throughout the film in some samples grown at high hydrogen dilutions, while other samples grown at low hydrogen dilution show only surface oxidation after ambient exposure. In the same way, XPS spectra show different silicon oxidation states and chlorine presence along of the films. On the other hand, FTIR spectra evidence the absence of mono-and dihydride Si-H bonds around 2000-2150 cm-1. These bonds are generally responsible for the degradation process in amorphous silicon thin films solar cells. With the control of the crystalline fractions and chemical composition, it is possible to avoid the degradation process in thin films silicon solar cells. The role of chlorine and hydrogen related bonds, which can be associated with the level of stability of the films, were inferred from XPS and FTIR analysis. Conductivity and photoconductivity changes on polymorphous silicon thin films were observed when the films are subjected to light-soaking for 15000 minutes. These changes are dependent on the chemical and structural properties of the films.","PeriodicalId":6350,"journal":{"name":"2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)","volume":"3 1","pages":"0526-0529"},"PeriodicalIF":0.0,"publicationDate":"2013-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73321737","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

Assessing the formation of misconceptions when students learn PV using current curricular tools 评估学生使用现有课程工具学习PV时误解的形成

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744954

Katherine G. Nelson, Sarah K. Brem, C. Foster, S. Bowden, J. Husman, C. Honsberg

{"title":"Assessing the formation of misconceptions when students learn PV using current curricular tools","authors":"Katherine G. Nelson, Sarah K. Brem, C. Foster, S. Bowden, J. Husman, C. Honsberg","doi":"10.1109/PVSC.2013.6744954","DOIUrl":"https://doi.org/10.1109/PVSC.2013.6744954","url":null,"abstract":"The purpose of this work is to discover the misconceptions students have related to PV content, in light of the way in which the content is portrayed curricular tools, namely through simulations. Undergraduate students were recruited from their first circuits courses (N=20) to participate in this study. Participants in the study were presented with PV related content displayed through a simulation previously developed by the PVCDROM. They observed these simulations and were asked associated questions, questions designed to uncover their misconceptions formed as a result of engaging with these simulations. Findings indicate that students hold misconceptions related to both of the simulations utilized; diffusion and drift. The results of this study indicate a need to conduct a deeper level of analysis of the participants' responses, which could potentially provide future evidence related to misconception formation as a result of how simulations related to drift and diffusion are presented using curricular tools. Diffusion and drift should be presented such that it discourages the formation of misconceptions, and ultimately removes barriers to learning PV.","PeriodicalId":6350,"journal":{"name":"2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)","volume":"21 1","pages":"2383-2388"},"PeriodicalIF":0.0,"publicationDate":"2013-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73896681","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

A novel low-cost method for fabricating bifacial solar cells 一种制造双面太阳能电池的低成本新方法

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744929

S. Saha, R. Rao, L. Mathew, M. Ainom, S. Banerjee

引用次数: 6

Microinverter and string inverter grid-connected photovoltaic system — A comprehensive study 微逆变器与串逆变器并网光伏系统综合研究

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6745072

S. Harb, M. Kedia, Haiyu Zhang, R. Balog

引用次数: 90

Application of SnO2 substrate to top cell for spectrum splitting type solar cell SnO2衬底在分光型太阳能电池顶电池中的应用

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744216

Sinae Kim, S. Kasashima, P. Sichanugrist, M. Konagai

引用次数: 0

Potential induced degradation of pre-stressed photovoltaic modules: Effect of glass surface conductivity disruption 预应力光伏组件的潜在诱导退化:玻璃表面电导率破坏的影响

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744452

S. Tatapudi, F. Ebneali, J. Kuitche, G. Tamizhmani

{"title":"Potential induced degradation of pre-stressed photovoltaic modules: Effect of glass surface conductivity disruption","authors":"S. Tatapudi, F. Ebneali, J. Kuitche, G. Tamizhmani","doi":"10.1109/PVSC.2013.6744452","DOIUrl":"https://doi.org/10.1109/PVSC.2013.6744452","url":null,"abstract":"Potential induced degradation (PID) due to high system voltages is considered as one of the possible degradation mechanisms of PV modules in the field. In the previous studies carried out at ASU-PRL, the surface conductivity of the entire glass was obtained using either conductive carbon layer (covering the entire glass surface and extending it to the frame) or humidity inside an environmental chamber. This study investigates the influence of disruption of glass surface conductivity on the PID. In this study, the conductive carbon layer was applied on the module's glass surface but without extending it to the frame and hence the surface conductivity was disrupted (no carbon layer) at 2 cm distance from the periphery of frame's inner edges. This study was carried out on the modules of different manufacturers under dry heat conditions at multiple stress temperatures and voltages. To replicate closeness to the field-aged modules, half of the selected modules for the PID investigation were pre-stressed under damp heat for 1000 hours and the other half under thermal cycling for 200 cycles. When the surface continuity was disrupted, the degradation was found to be absent or negligibly small even after 35 hours of negative bias at elevated temperatures. This preliminary study appears to indicate that the modules could become immune to PID losses if the continuity of the glass surface conductivity is disrupted at the inside boundary of the frame. The surface conductivity of the glass, due to water layer formation in a humid condition, close to the frame could be disrupted just by applying a transparent hydrophobic layer near the inner edges of the frame or by attaching the frameless laminate with the conductivity disrupting mounting methods such as glue-on rail on the backsheet.","PeriodicalId":6350,"journal":{"name":"2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)","volume":"9 1","pages":"1604-1609"},"PeriodicalIF":0.0,"publicationDate":"2013-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84720341","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: 12

Highly transparent and conductive p-type microcrystalline silicon carbide window layers for thin film silicon solar cells 用于薄膜硅太阳能电池的高透明和导电的p型微晶碳化硅窗口层

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744293

Tao Chen, F. Kohler, A. Heidt, R. Carius, F. Finger

{"title":"Highly transparent and conductive p-type microcrystalline silicon carbide window layers for thin film silicon solar cells","authors":"Tao Chen, F. Kohler, A. Heidt, R. Carius, F. Finger","doi":"10.1109/PVSC.2013.6744293","DOIUrl":"https://doi.org/10.1109/PVSC.2013.6744293","url":null,"abstract":"Transparent and conductive microcrystalline silicon carbide (μc-SiC:H) thin films are an excellent window layer for thin film solar cells. For amorphous silicon based solar cells, p-type conductive μc-SiC:H window layers were deposited by the hot-wire chemical vapor deposition (HWCVD) technique. Monomethylsilane (MMS) highly diluted in hydrogen was used as the SiC source in favor of SiC deposition in a stoichiometric form. Aluminum (Al) introduced from Trimethylaluminum (TMAl) was used as the p-type dopant. In this report, the optoelectronic properties of p-type μc-SiC:H thin films prepared with different deposition pressure and filament temperature were investigated. By managing the deposition parameters, materials with optical gap E04 ranging from 2.0 eV to 2.8 eV and dark conductivity ranging from 10-5 S/cm to 0.1 S/cm were prepared. Such p-type μc-SiC:H thin films were applied as the window layer in amorphous silicon thin film silicon solar cells. Taking advantage of the high transparency of μc-SiC:H window layer, improved quantum efficiency was obtained at the short wavelength below 500 nm.","PeriodicalId":6350,"journal":{"name":"2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)","volume":"25 1","pages":"0917-0920"},"PeriodicalIF":0.0,"publicationDate":"2013-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84770504","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

CVD growth of Ge1−xSnx using large scale Si process for higher efficient multi-junction solar cells 采用大规模硅工艺CVD生长Ge1−xSnx以制备高效多结太阳能电池

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744392

B. Conley, A. Mosleh, S. Ghetmiri, H. Naseem, J. Tolle, Shui-Qing Yu

引用次数: 7

Forming random-micropores by optimized 2-step metal assisted etching process 优化两步金属辅助蚀刻工艺形成随机微孔

2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) Pub Date : 2013-06-16 DOI: 10.1109/PVSC.2013.6744466

T. Chong, K. Weber, A. Blakers

引用次数: 2