Sample interview questions: Can you discuss any experience you have with materials used in the field of energy harvesting?
Sample answer:
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Involvement in Perovskite Solar Cell Research:
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Developed and optimized perovskite solar cell materials to achieve enhanced light absorption, charge carrier transport, and stability.
- Explored novel perovskite compositions and engineered their properties through compositional tuning and doping strategies.
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Investigated the relationship between material properties and device performance, leading to improvements in power conversion efficiency and device lifetime.
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Development of Piezoelectric Nanogenerators:
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Designed and fabricated piezoelectric nanogenerators based on various materials, including zinc oxide (ZnO), lead zirconate titanate (PZT), and barium titanate (BaTiO3).
- Optimized the nanogenerator structure, electrode configuration, and poling conditions to improve the piezoelectric response and energy output.
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Explored the use of flexible substrates and tailored nanostructures to enhance the mechanical-to-electrical energy conversion efficiency.
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Research on Thermoelectric Materials:
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Synthesized and characterized thermoelectric materials, including bismuth telluride (Bi2Te3), lead telluride (PbTe), and skutterudites, for high-temperature energy harvesting applications.
- Investigated the effect of dopants and microstructural features on the thermoelectric properties of these materials.
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Developed innovative processing techniques to enhance the thermoelectric figure of merit (ZT) and optimize the device performance.
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