Photovoltaic material used in single-junction, tandem, and flexible solar cell architectures, comprises hybrid organic-inorganic framework or nanostructured compound engineered to achieve specific power conversion efficiency, where nanostructures enhance light trapping and charge carrier mobility
	PRAKASH M; PACHIAPPAN K; YUVARANI S
	2024-12-18
专利权人	AVS COLLEGE ARTS & SCI (AVSC-Non-standard)
申请日期	2024-12-18
专利号	IN202441100638-A
成果简介	NOVELTY - Photovoltaic material, comprises a hybrid organic-inorganic framework or nanostructured compound engineered to achieve a power conversion efficiency greater than 25%, where the material is doped with nanostructures to enhance light trapping and charge carrier mobility, and the material incorporates a passivation layer to reduce defect density and minimize charge recombination losses. The nanostructured compound includes quantum dots or plasmonic nanoparticles to enhance photon absorption and carrier generation. The passivation layer is a self-assembled monolayer or a thin oxide coating designed to stabilize the material under environmental conditions e.g. high humidity and UV exposure. The material is deposited using solution processing, chemical vapor deposition, or spin-coating techniques to achieve uniform thin-film formation. The scalable deposition process enables its integration into flexible and lightweight substrates, e.g. polyethylene terephthalate or polyimide. USE - The material is useful in solar cells (claimed), preferably single-junction, tandem, and flexible solar cell architectures, which is used in residential, industrial, and commercial sectors. ADVANTAGE - The material: exhibits an optimized band gap of 1.3-1.7 eV for efficient absorption of light across the solar spectrum; is fabricated using a cost-effective, scalable, low-temperature deposition method e.g. solution processing or chemical vapor deposition, ensuring uniform thin-film formation on rigid or flexible substrates, and making the technology economically viable for mass production; is free from toxic substances including lead; is compatible with single junction, tandem, or bifacial solar cell architectures for diverse photovoltaic applications; demonstrates thermal stability of 200℃, enabling reliable operation in extreme environmental conditions; can be used in high-efficiency solar cells with improved photovoltaic properties; has a hybrid organic-inorganic framework or nanostructured compound engineered to optimize light absorption, charge carrier mobility, and stability; features a tunable band gap of 1.3-1.7 eV, and enables efficient utilization of the solar spectrum; incorporates advanced doping techniques and nanostructures to enhance light trapping and reduce recombination losses; has a passivation layer to minimize defect density, further improving charge carrier lifetimes and device performance; is eco-friendly and demonstrates exceptional thermal and environmental stability including resistance to degradation from exposure to moisture, UV radiation, and thermal stresses, enabling reliable long-term operation under diverse environmental conditions; achieves power conversion efficiencies exceeding 25%, thus offering a versatile solution for next-generation photovoltaic technologies; significantly enhances energy conversion efficiency, improves stability under environmental conditions, and reduces the manufacturing cost of solar cells; exhibits superior energy conversion efficiency compared to conventional solar cell materials, achieving a power conversion efficiency of greater than 25%, this high efficiency is targeted through enhanced light absorption, optimized band gap tuning, and superior charge carrier mobility; minimizes the environmental impact by using non-toxic and eco-friendly components which includes eliminating hazardous substances e.g. lead, commonly found in certain perovskite-based solar cells, and adopting sustainable manufacturing processes; enables flexibility and adaptability in solar cell designs, including compatibility with tandem architectures and flexible substrates, this flexibility allows for integration into various applications, from lightweight portable devices to large-scale power plants; has improved stability of optical and electrical properties under prolonged operational conditions, this includes designing advanced passivation layers or doping mechanisms to minimize defects and recombination losses; supports the growing adoption of renewable energy by offering a sustainable, high-performance solution that can be readily incorporated into existing solar cell manufacturing pipelines, ensuring seamless transition and widespread adoption in the energy market; supports flexible substrates, enabling its application in lightweight, portable devices; and exhibits high thermal and UV stability that ensures long-term operational reliability, even in extreme weather conditions. DESCRIPTION OF DRAWING(S) - The figure illustrates an exemplary photovoltaic material for use in solar cells.
IPC 分类号	B82Y-015/00 ; B82Y-030/00 ; B82Y-040/00 ; H01L-021/02 ; H10F-077/10 ; H10F-077/12 ; H10F-077/20
国家	印度
专业领域	材料科学
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/13977
专题	中国科学院新疆生态与地理研究所
作者单位	AVS COLLEGE ARTS & SCI (AVSC-Non-standard)
推荐引用方式 GB/T 7714	PRAKASH M,PACHIAPPAN K,YUVARANI S. Photovoltaic material used in single-junction, tandem, and flexible solar cell architectures, comprises hybrid organic-inorganic framework or nanostructured compound engineered to achieve specific power conversion efficiency, where nanostructures enhance light trapping and charge carrier mobility. IN202441100638-A[P]. 2024.

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