Authors:

Hithesh Rai Purushothama

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About Paper:

Perovskite solar cells (PSCs) have gained significant attention as a promising alternative to traditional solar cell technologies due to their exceptional photovoltaic performance, cost-effectiveness, and ease of fabrication, making them attractive candidates for various applications such as solar cells, LEDs, and photodetectors. Despite the remarkable efficiency improvements witnessed in the past decade from 3.8% to 25.8%, the stability of perovskite structures remains a crucial challenge that must be addressed for their widespread deployment. The problem is that understanding the stability of PSCs has not been given much prominence in the past, which makes it an important aspect to understand. This study focuses on analyzing different device structures and compositions to identify those additives and charge transport materials (CTMs), that can enhance the stability of perovskite devices. Through the comprehensive review of the literature, we identify key factors that determine the stability of devices. We first discuss primary factors influencing perovskite stability which are identified, including moisture, temperature, light exposure, and chemical interactions. By addressing these stability challenges, various strategies like encapsulation, adding additives, and using CTMs mitigate the defect and contribute to the ongoing efforts to commercialize perovskite materials. This paper aims to provide a deeper understanding of the stability of perovskite materials, as the current knowledge on this topic is still limited and lacks clarity. By exploring the stability of perovskite materials in more detail, this research aims to uncover important insights and fill the gaps in our understanding of perovskite stability.

Source:

Purdue University / 2023

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Co-authors:

Hithesh Rai Purushothama