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This licentiate thesis by Binbin Xin explores the synthesis of nanoporous Ca3Co4O9 thin films for flexible applications. The research focuses on harnessing waste heat through thermoelectric materials, specifically targeting the conversion of temperature gradients into electrical energy. Ca3Co4O9 is investigated for its advantages over traditional materials like Bi2Te3, PbTe, and SnTe, which face limitations due to toxicity and rarity. The study employs sequential reactive magnetron sputtering and post-annealing methods to enhance the material's properties and adaptability for flexible devices. This work contributes to advancements in energy conversion technologies, aimed at reducing environmental impact and improving energy efficiency. The intended audience includes researchers and professionals in materials science and engineering.
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This dissertation by Binbin Xin explores the development of flexible inorganic and hybrid thin films based on layered calcium cobaltate (Ca3Co4O9). It focuses on the conversion of waste heat into electricity, addressing the need for self-sustaining energy sources in wearable and miniaturized electronics. The study highlights the advantages of calcium cobaltate, such as low cost, chemical stability, and the use of abundant raw materials, while tackling the rigidity of traditional inorganic materials. Through innovative fabrication techniques and the creation of nanoporous and hybrid films, the research aims to enhance the performance and flexibility of these materials. The intended audience includes researchers and professionals in materials science and engineering, particularly those interested in thermoelectric materials and sustainable energy solutions.
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