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EE&RE, Session: CdTe - Progress and Roadmap Alignment (Presentation)

Description: This project supports the Solar America Initiative by: (1) assistance to SAI Incubators (Primestar Solar, AvA Solar); (2) providing industry with baseline understanding of CdS/CdTe device formation and reliability--incorporation of low-cost, high quality TCOs, functionality and options for buffer layers, effect of various CdS options, effect of and importance CdSTe alloy formation, effect and options for CdCl{sub 2} treatment, effect and options for back contact, and effect of residual impurities during all stages of device formation; (3) understanding modes and mechanisms of cell-level stability; and (4) establishment of CdTe PDIL Tool for rapid material and process screening.
Date: April 1, 2008
Creator: Gessert, T.
Partner: UNT Libraries Government Documents Department

SETP Seed Fund, Session: OPV, Sensitized, Seed (Presentation)

Description: This project supports the Solar America Initiative by: (1) Exploring the concept of improving solar cell efficiency by generating and collecting multiple electrons per absorbed photon for h{nu} > 2Eg (Multiple Exciton Generation--MEG); and (2) Developing PV cells based on colloidally-synthesized semiconductor nanocrystals (NCs) which may eventually enable inexpensive and highly-efficient devices (single absorber design can potentially exceed Shockley-Queisser limit).
Date: April 1, 2008
Creator: Ellingson, R.
Partner: UNT Libraries Government Documents Department

Modeling and Analysis Session: Market, Value, and Policy Analysis (Presentation)

Description: The Primary objectives: to provide a broad range of analytical support to the Solar Program; and to anticipate and respond to the rapidly evolving analytical needs of the Solar Program. Three broad types of analysis are being carried out under this project including: (1) Market analysis: Developing a PV market penetration model--the SolarDS model--and other tools, in order to gain insight into the factors influencing market penetration of PV technology in U.S. markets. (2) Value analysis: Providing inputs to, support for, and review of the annual GPRA benefits analysis. Also developing methods and tools for improving the quantification of the benefits and cost of solar technologies. (3) Policy analysis: Defining and carrying out analysis that meets the needs of the Solar Energy Technologies Program in a timely fashion, for example evaluating the potential role of solar in the energy economy in the long-term.
Date: April 1, 2008
Creator: Margolis, R. M.
Partner: UNT Libraries Government Documents Department

Solar Radiometry and Metrology, Session: Modeling and Analysis (Presentation)

Description: This project supports the Solar America Initiative by: (1) Providing solar radiometric measurements, data, and related technical information support to NREL Measurements and Characterization Task; NREL Reliability and Durability Task; Systems and component testing and evaluation for the SAI TPPs; Requests from industry; (2) Producing credible radiometric measurements traceable to recognized standards for performance and Industry applications in accordance with IS0-17025 accreditation scope; (3) Contributing to consensus codes and standards for performance and measurement techniques for NREL R&D, SAI TPPs, and industry applications; (4) Maintain stability of the NREL solar radiation reference (absolute cavity radiometers); (5) Execute high quality detailed radiometric calibrations for broadband and spectral radiometers to meet NREL research and PV industry needs; (6) Participate in national and international consensus standards development, contributing technical expertise, data, and analysis where appropriate; (7) Provide technical information on solar radiation resource data and applications to meet research and industry needs; and (8) Transfer technology in this area to other researchers and industry via publications and conference papers and presentations.
Date: April 1, 2008
Creator: Myers, D. R.
Partner: UNT Libraries Government Documents Department

PV Conversion Technologies, Session: OPV, Sensitized, Seed (Presentation)

Description: The NREL Sensitized Solar Cell (SSC) Core Program supports the Solar America Initiative by: (1) targeting new devices and processes for commercialization by 2015 that are less expensive, more efficient, highly reliable, and environmentally benign; (2) collaborating with DOE OS/BES to conduct basic research targeting breakthroughs in key areas, such as ultra-high efficiency and/or ultra-low cost materials and devices.
Date: April 1, 2008
Creator: Frank, A. J.
Partner: UNT Libraries Government Documents Department

SETP CPV Technology, Session: CPV (Presentation)

Description: This project supports the Solar America Initiative by: (1) Reducing LCOE through--Increased power output from cell, and avenues for lowering of cell cost--substrate recycling; and (2) Establishing reliability by--Determination of cell degradation mechanisms; Integration of design for reliability into future cell development; future-generation cell development; cell reliability; advanced modeling for cell-system integration; basic science supporting cell development; and industry study.
Date: April 1, 2008
Creator: Friedman, D.
Partner: UNT Libraries Government Documents Department

Solar Advisor Model; Session: Modeling and Analysis (Presentation)

Description: This project supports the Solar America Initiative by: (1) providing a consistent framework for analyzing and comparing power system costs and performance across the range of solar technologies and markets, PV, solar heat systems, CSP, residential, commercial and utility markets; (2) developing and validating performance models to enable accurate calculation of levelized cost of energy (LCOE); (3) providing a consistent modeling platform for all TPP's; and (4) supporting implementation and usage of cost models.
Date: April 1, 2008
Creator: Blair, N.
Partner: UNT Libraries Government Documents Department

Solar Resource Characterization; Session: Modeling and Analysis (Presentation)

Description: This project supports the Solar America Initiative by: (1) meeting increasing demands for expertise in and products on solar radiation data and models--production and distribution of reliable, accurate domestic and international solar resource data, benchmarking and cross-comparison of solar irradiance models; and coordination with the international community (IEA/SHC Task 36, WMO); (2) reducing data uncertainties and increasing temporal and spatial data resolutions; (3) developing and testing short term solar resource forecasts; (4) evaluating methods for producing long term data sets from short term observations; and (5) conducting measurement activities at selected sites.
Date: April 1, 2008
Creator: Renne, D.
Partner: UNT Libraries Government Documents Department

NREL Core Program (NCPV), Session: Film Silicon (Presentation)

Description: This project supports the Solar America Initiative by: R and D that contributes to goal of grid parity by 2015; research to fill the industry R and D pipeline for next-generation low-cost scalable products; development of industry collaborative research; and improvement of NREL tools and capabilities for film silicon research. The project addresses both parts of film silicon roadmap: (1) amorphous-silicon-based thin film PV--amorphous and nanocrystalline materials, present '2nd generation' technology, 4% of world PV sales in 2007; (2) advanced R and D toward film crystal silicon--definition, large-grained or single-crystal silicon < 100 {micro}m thick; 3-8 year horizon; and goal of reaching 15% cells at area costs approaching thin films.
Date: April 1, 2008
Creator: Branz, H. M.
Partner: UNT Libraries Government Documents Department

Wafer Replacement Cluster Tool (Presentation);

Description: This presentation on wafer replacement cluster tool discusses: (1) Platform for advanced R and D toward SAI 2015 cost goal--crystal silicon PV at area costs closer to amorphous Si PV, it's 15% efficiency, inexpensive substrate, and moderate temperature processing (<800 C); (2) Why silicon?--industrial and knowledge base, abundant and environmentally benign, market acceptance, and good efficiency; and (3) Why replace wafers?--expensive, high embedded energy content, and uses 50-100 times more silicon than needed.
Date: April 1, 2008
Creator: Branz, H. M.
Partner: UNT Libraries Government Documents Department

Session: Test and Evaluation (Presentation)

Description: The overall goal of this presentation is: (1) provide test and evaluation of PV cells/modules/systems to TPP participants, other PV industry, labs, and universities in support of technology optimization efforts sponsored by DOE's Solar Program and the SAI; (2) support commercial and emerging technology development; (3) provide component and system performance data to improve and validate system performance models; (4) provide T and E support for reliability activities; and (5) priority is placed on TPP's and other solicitations.
Date: April 1, 2008
Creator: Marion, B. & Hanley, C.
Partner: UNT Libraries Government Documents Department

NREL Core Program; Session: Wafer Silicon (Presentation)

Description: This project supports the Solar America Initiative by working on: (1) wafer Si accounts for 92% world-wide solar cell production; (2) research to fill the industry R and D pipeline for the issues in wafer Si; (3) development of industry collaborative research; (4) improvement of NREL tools and capabilities; and (5) strengthen US wafer Si research.
Date: April 1, 2008
Creator: Wang, Q.
Partner: UNT Libraries Government Documents Department

Process Development and Integration Lab (PDIL) + Measurements and Characterization (Presentation)

Description: The Process Development and Integration Lab (PDIL) Vision is to integrate deposition, characterization, and processing by being flexible and robust; having a standardized transfer interface; and controlled sample ambient between tools. The benefits are: (1) answers to previously inaccessible research questions; (2) control and characterization of critical surfaces (interfaces) and how their impact on subsequent layers; (3) assess process-related source chemistry, surface chemistry and kinetics, and bulk reconstruction; (4) grow layers and alter interfaces using controlled processes and transfer ambients (without exposure to air); (5) develop new techniques, methodologies, device structures, materials, and tools (growth, processing, and analytical); and (6) improved collaborations with university and industry researchers.
Date: April 1, 2008
Creator: Nelson, B.
Partner: UNT Libraries Government Documents Department