• Frontiers of Optoelectronics
  • Vol. 17, Issue 3, 24 (2024)
Xu Jinzhuo, Wu Yinghui, Fan Shuting, Liu Xudong, Yin Zhen, Yang Youpeng, Wang Renheng, Qian Zhengfang, and Sun Yiwen
DOI: 10.1007/s12200-024-00128-0 Cite this Article
Xu Jinzhuo, Wu Yinghui, Fan Shuting, Liu Xudong, Yin Zhen, Yang Youpeng, Wang Renheng, Qian Zhengfang, Sun Yiwen. Real-time detection of aging status of methylammonium lead iodide perovskite thin films by using terahertz time-domain spectroscopy[J]. Frontiers of Optoelectronics, 2024, 17(3): 24 Copy Citation Text show less

Abstract

The inadequate stability of organic–inorganic hybrid perovskites remains a significant barrier to their widespread commercial application in optoelectronic devices. Aging phenomena profoundly affect the optoelectronic performance of perovskite-based devices. In addition to enhancing perovskite stability, the real-time detection of aging status, aimed at monitoring the aging progression, holds paramount importance for both fundamental research and the commercialization of organic–inorganic hybrid perovskites. In this study, the aging status of perovskite was real-time investigated by using terahertz time-domain spectroscopy. Our analysis consistently revealed a gradual decline in the intensity of the absorption peak at 0.968 THz with increasing perovskite aging. Furthermore, a systematic discussion was conducted on the variations in intensity and position of the terahertz absorption peaks as the perovskite aged. These findings facilitate the real-time assessment of perovskite aging, providing a promising method to expedite the commercialization of perovskite-based optoelectronic devices.
Xu Jinzhuo, Wu Yinghui, Fan Shuting, Liu Xudong, Yin Zhen, Yang Youpeng, Wang Renheng, Qian Zhengfang, Sun Yiwen. Real-time detection of aging status of methylammonium lead iodide perovskite thin films by using terahertz time-domain spectroscopy[J]. Frontiers of Optoelectronics, 2024, 17(3): 24
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