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Thursday, August 6, 2020 | History

2 edition of Multi-junction thin-film solar cells on flexible substrates for space power found in the catalog.

Multi-junction thin-film solar cells on flexible substrates for space power

Multi-junction thin-film solar cells on flexible substrates for space power

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Published by National Aeronautics and Space Administration, Glenn Research Center, Available from NASA Center for AeroSpace Information in Cleveland, Ohio, Hanover MD .
Written in English

    Subjects:
  • Thin films.,
  • Solar cells.,
  • Tunnel junctions.,
  • Substrates.,
  • Metal foils.,
  • Microelectronics.

  • Edition Notes

    Other titlesMulti-junction thin film solar cells on flexible substrates for space power
    StatementAloysius F. Hepp.
    SeriesNASA/TM -- 2002-211834, NASA technical memorandum -- 211834.
    ContributionsHepp, Aloysius F., NASA Glenn Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18683094M

    Thin Film Solar Cells. Multi-junction GaAs cells for space power applications. There are second-generation, thin-film technologies that are under development that can provide higher solar cell efficiency. These cells will be based on low cost substrates such as glass and flexible substrates such as stainless steel. Our primary goal is. Registrant’s telephone number, including area code: () Mobilis Relocation Services Inc. 15th Avenue, Suite , Calgary, Alberta, TR 1R5, Canadath.

    Thin Film Silicon Triple‐Junction Solar Cells Thin Film Silicon Quadruple‐Junction Solar Cells Further Improvements in Thin Film Crystalline Silicon Solar Cells Conclusion List of Symbols References Part Six ORGANIC PHOTOVOLTAICS Solid‐State Organic Photovoltaics Thin-Film Solar Cells: Next Generation Photovoltaics and Its Applications Yoshihiro Hamakawa (auth.), Professor Yoshihiro Hamakawa (eds.) This is the first comprehensive book on thin-film solar cells, potentially a key technology for solving the energy production problem in the 21st century in an environmentally friendly way.

      A close competitor of silicon solar cells, known as multi-junction solar cells, displays power conversion efficiency as high as 46% using a solar concentrator. However, due to difficulty in cell fabrication with elevated cost, application of this type of cell is mostly limited to extraterrestrial : Amlan K. Pal, Hannah C. Potter. B17 Close-Space Sublimated CdTe Solar Cells with Co-Sputtered CdS xSe 1-x Alloy Window Layers Corey R. Grice1, Maxwell M. Junda1, Alex Archer1, Jian Li2, Yanfa Yan1 1University of Toledo, Toledo, OH, United States, 2Texas State University, San Marcos, TX, United States B19 Effects of graphene oxide barrier on Cu2ZnSnSxSe4-x thin film solar cellsFile Size: 1MB.


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Multi-junction thin-film solar cells on flexible substrates for space power Download PDF EPUB FB2

Multi-junction thin-film solar cells on flexible substrates for space power (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: Aloysius F Hepp; NASA Glenn Research Center.

Multi-junction thin-film solar cells on flexible substrates for space power (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: Aloysius F Hepp; NASA Glenn Research Center.

A thin-film solar cell is a second generation solar cell that is made by depositing one or more thin layers, or thin film (TF) of photovoltaic material on a substrate, such as glass, plastic or metal. Thin-film solar cells are commercially used in several technologies, including cadmium telluride (CdTe), copper indium gallium diselenide (CIGS), and amorphous thin-film silicon (a-Si, TF-Si).

To summarize, these thin‐film flexible III–V solar cells and systems offer viable routes for energy supply in many emerging applications. Discover the world's research 17+ million members. Nowadays, thin-film, high-efficiency III-V solar cells on flexible substrates have attracted enormous interest in applications such as terrestrial and.

Thin-film solar cells are also an attractive source of portable and mobile power, as they can be integrated into flexible, lightweight photovoltaic modules that can operate in both terrestrial and space environments. Several different emerging technologies can be employed to fabricate flexible thin-film PV cells [].

Although the deposition Cited by: 1. Let us consider the basic physical processes taking place in a semiconductor solar cell with a heterojunction (Fig. 1).The device is composed by two semiconductors with different band gap values [1, 6].The wider-band material forms so-called window layer (for which the corresponding characteristics in Fig.

1 have the subscript “W”) and is used to process high-energy photons, Author: P.P. Horley, L. Licea Jiménez, S.A. Pérez García, J. Álvarez Quintana, Yu.V. Vorobiev, R. Ramír. A.E. Dixon, in Solar Energy Conversion II, Amorphous Silicon Cells.

Amorphous silicon solar cells are normally prepared by glow discharge, sputtering or by evaporation, and because of the methods of preparation, this is a particularly promising solar cell for large scale fabrication.

Because only very thin layers are required, deposited by glow discharge on substrates of glass. Most of the thin film solar cells and a-Si are second generation solar cells, and are more economical as com-pared to the first generation silicon wafer solar cells.

Silicon-wafer cells have light absorbing layers up to µm thick, while thin-film solar cells have a very thin light absorbing layers, generally of the order of 1 µm thickness File Size: 1MB. where J s is the saturation current in reverse bias under zero illumination, q is the charge on the carrier, V is the applied voltage, k B is Boltzmann’s constant, T is the temperature of the cell and J L is the photogenerated current.

In the ideal cell this is equal to the short-circuit current, indicated as J sc on the J–V curve in Fig. Power can be extracted from the device in the Cited by: 3.

Although lattice-matched (AlxGa1-x)()InP solar cells are highly attractive for space and concentrator photovoltaics, there have been few reports on the MBE growth of such cells.

In this work, we demonstrate open circuit voltages (V-oc) ranging from to V for GaInP cells, and V for (AlxGa1-x)()InP cells. III-V multi-junction solar cells have rather high costs per area compared to conventional single-junction solar cells, which is due to the technical complexity and the expensive materials used.

Therefore, the entry market for III-V solar cells was space applications, where cost of power per weight is the cost by:   Dhere N G, Ghongadi S R, Pandit M B, Jahagirdar A H and Scheiman D CIGS2 thin-film solar cells on flexible foils for space power Prog.

Photovolt. 10 Crossref. Despite of their higher production costs compared to silicon solar cells, III–V multijunction solar cells are integrated into flat-plate modules for space applications. This becomes feasible as the determining measure for cost in space applications are €/kg rather than €/ W p Cited by: 7.

About Dr. Hubbard’s research focuses on Photovoltaic and Optoelectronic Devices, Radiation Hardened Space Power, III-V Semiconductors, and Vapor Phase Epitaxy. Our activities encompass materials synthesis, device fabrication, material and device modeling, as well as characterization both at the electrical and materials level.

Specific expertise lies in vapor. Alta Devices has developed single-junction GaAs solar cells with high performance power efficiencies of % for single-junction and % for dual-junction cells. Figure shows a flexible GaAs thin film solar cell manufactured by Alta Devices.

Thin-film technology is advancing, though, and includes both inorganic (frequently silicon-based) and organic (conducting polymer-based) types.

While silicon cells have high efficiencies, they also have higher production costs. Thin-film solar cells, on the other hand, have lower efficiencies but are cheaper to manufacture.

Low-Cost III-V Compound Semiconductor Solar Cells: Progress and Prospects: /ch The prospects for cost-effective flat plate (non-concentrator) solar cells based on III-V compound semiconductors (e.g., GaAs, InP, AlAs, and their alloys)Cited by: 1.

The integration of nanophotonic and plasmonic structures with solar cells offers the ability to control and confine light in nanoscale dimensions. These nanostructures can be used to couple incident sunlight into both localized and guided modes, enhancing absorption while reducing the quantity of material.

Here we use electromagnetic modeling to study the resonances in a solar Cited by: The Company aims to achieve greater than 15% power conversion efficiencies on organic solar cells with operational lifetimes of 20 years on barrier.

An effective defect passivation route has been demonstrated in the rapidly growing Cu2ZnSn(S,Se)4 (CZTSSe) solar cell device system by using Cu2ZnSnS4:Na (CZTS:Na) nanocrystals precursors. CZTS:Na nanocrystals are obtained by sequentially preparing CZTS nanocrystals and surface decorating of Na species, while retaining the kesterite CZTS by: Thin-film solar cells potentially offer a suitable technology for solving the energy production problem with an environmentally friendly method.

Additionally, thin film technologies show advantages over their bulk-semiconductor counterparts due to their lighter weight, flexible shape, device fabrication schemes and low cost in large-scale.Further, as part of the ND-ELO process, the ultra-thin photovoltaic layer is bonded to a flexible and thin secondary substrate such as plastic or metal foil using our adhesive-free, lightweight, ultra-strong and flexible process called cold-weld bonding.

The cold-weld bonding process enables highly flexible and lightweight thin film solar cells.