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Heater-assisted intense pulsed light irradiation for lanthanum strontium cobaltite thin film electrode fabrication
Thin Solid Films ( IF 2.1 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.tsf.2019.137778
Jun-Sik Park , Hojae Lee , Suhaeng Heo , Young Beom Kim

Abstract This study describes the bottom-heater-assisted flash light irradiation method for fabrication of lanthanum strontium cobaltite ( L a 0.6 S r 0.4 Co O 3 − δ , LSCO) thin films. Unlike the conventional sintering process, flash light irradiation proceeds instantly under ambient conditions. Since the flash light irradiation process involves the photothermal effect, heat energy supplied by a bottom heater can compensate for decreased irradiation energy. The substrate temperature was varied from room temperature to 200 °C and 300 °C, and the radiation energy requirement for obtaining an optimized LSCO film was decreased with increasing temperature. In addition, the instantaneous temperature difference due to highly intense energy between the top surface and the substrate can be relieved. With the innovative sintering system, an electrolyte-supported solid oxide fuel cell could be fabricated by the flash light irradiation method, and electrochemical characterization of the fuel cells was conducted.

中文翻译:

用于制备钴酸镧锶薄膜电极的加热器辅助强脉冲光照射

摘要 本研究描述了底部加热器辅助闪光灯照射法制备钴酸镧锶 (L a 0.6 S r 0.4 Co O 3 - δ , LSCO) 薄膜。与传统的烧结工艺不同,闪光灯照射在环境条件下立即进行。由于闪光灯照射过程涉及光热效应,底部加热器提供的热能可以补偿减少的照射能量。基板温度从室温变化到 200°C 和 300°C,并且获得优化的 LSCO 薄膜所需的辐射能量随着温度的升高而降低。此外,可以缓解由于顶面和基板之间的高强度能量造成的瞬时温差。凭借创新的烧结系统,
更新日期:2020-03-01
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