SusChEM: Collaborative Research: Theoretical and Experimental Investigation of Iron Oxysulfide for Terawatt Photovoltaics

SusChEM：合作研究：太瓦光伏发电中氧硫化铁的理论与实验研究

• 批准号: 1306542
• 负责人: Meng Tao
• 金额: $ 31.5万
• 依托单位: Arizona State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-08-01 至 2018-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1306542&HistoricalAwards=false
• 关键词: SusChEM; Collaborative; Research; Theoretical; Experimental

Technical Description: The objective of this project is to synthesize and investigate iron oxysulfide, in particular sulfurized hematite, with the goal of replacing critical components in the current solar cell technologies for next-generation photovoltaics. Sulfurized hematite, with an appropriate concentration of sulfur, will potentially meet the cost and efficiency requirements for terawatt photovoltaics. The scientific tasks of the project include: 1) First-principles studies of iron oxysulfide and copper oxysulfide as solar photovoltaic materials; 2) Development of deposition and sulfurization methods for sulfurized hematite; 3) Investigation of its electrical and optical properties as a function of sulfur content; and 4) Development of solution-based n-type and p-type doping methods for hematite. The major innovations in this project include: 1) the use of three Earth-abundant elements, iron, oxygen and sulfur, for bandgap engineering to create a semiconductor better suited for solar photovoltaics; 2) the use of largely solution-based processes for film deposition and doping to ensure low-cost solar cells in the end; and 3) a multidisciplinary approach, where first-principles studies and experimental studies are joined to push forward the technology.Non-technical Description: The success of this project will enable a sustainable solar cell technology, which is capable of low-cost, high-efficiency and most importantly terawatt-scale deployment, allowing solar electricity to become a major source of energy in our future. In addition, this project includes a targeted effort to increase the representation of American Indians in science and engineering as well as increase the awareness of local Arizona tribes on photovoltaic technologies. The principal investigators work with entities such as the American Indian Science and Engineering Society and Arizona Department of Commerce to promote photovoltaic technologies in remote tribal communities, provide research opportunities to American Indian science and engineering students, and engage and interest American Indian youth about science and engineering in general. This project also provides synergistic support to the newly-established U.S. Photovoltaic Manufacturing Consortium (PVMC) for its mission to facilitate a robust domestic solar cell industry. The success of this project will provide a technology pipeline for PVMC, while PVMC provides industrial connections for this project.

技术说明：该项目的目标是合成和研究硫氧化铁，特别是硫化赤铁矿，目的是取代当前太阳能电池技术中的关键组件，用于下一代光催化剂。硫化赤铁矿，适当浓度的硫，将有可能满足成本和效率的要求太瓦级的光催化剂。该项目的科学任务包括：1）硫氧化铁和硫氧化铜作为太阳能光伏材料的第一性原理研究; 2）硫化赤铁矿的沉积和硫化方法的开发; 3）作为硫含量的函数，其电学和光学特性的研究;和4）开发基于溶液的赤铁矿n型和p型掺杂方法。该项目的主要创新包括：1）使用三种地球上丰富的元素，铁，氧和硫，用于带隙工程，以创造更适合太阳能光电转换的半导体; 2）使用主要基于溶液的薄膜沉积和掺杂工艺，以确保最终的低成本太阳能电池; 3）多学科方法，将第一性原理研究和实验研究结合起来，推动技术的发展。该项目的成功将实现可持续的太阳能电池技术，该技术能够低成本，高效率，最重要的是太瓦级的部署，使太阳能发电成为我们未来的主要能源。此外，该项目还包括一项有针对性的努力，以增加美国印第安人在科学和工程领域的代表性，并提高亚利桑那州当地部落对光伏技术的认识。主要研究人员与美国印第安人科学与工程学会和亚利桑那州商务部等实体合作，在偏远的部落社区推广光伏技术，为美国印第安人科学和工程学生提供研究机会，并吸引美国印第安青年对科学和工程的兴趣。该项目还为新成立的美国光伏制造联盟（PVMC）提供协同支持，以履行其促进强大的国内太阳能电池产业的使命。该项目的成功将为PVMC提供技术管道，而PVMC则为该项目提供工业连接。