Perovskite solar cells (PSC) have shown a rapid increase in efficiency than other photovoltaic technology. Despite its success in terms of efficiency, this technology is inundated with numerous challenges hindering the progress towards commercial viability. The crucial one is the anomalous hysteresis observed in the photocurrent density-voltage (J−V) response in PSC. The hysteresis phenomenon in the solar cell presents a challenge for determining the accurate power conversion efficiency of the device. A detailed investigation of the fundamental origin of hysteresis behavior in the device and its associated mechanisms is highly crucial. Though numerous theories have been proposed to explain the causes of hysteresis, its origin includes slow transient capacitive current, trapping, and de-trapping process, ion migrations, and ferroelectric polarization. The remaining issues and future research required toward the understanding of hysteresis in PSC device is also discussed.

中文翻译：

---

钙钛矿太阳能电池迟滞的基本原理：从结构-性能关系到近代突破

与其他光伏技术相比，钙钛矿太阳能电池 (PSC) 的效率迅速提高。尽管在效率方面取得了成功，但这项技术仍面临着许多阻碍商业可行性进展的挑战。关键的是在 PSC 的光电流密度 - 电压 (J-V) 响应中观察到的异常滞后现象。太阳能电池中的滞后现象对确定器件的准确功率转换效率提出了挑战。详细研究设备中滞后行为的基本起源及其相关机制非常重要。尽管已经提出了许多理论来解释迟滞的原因，但其起源包括缓慢的瞬态电容电流、俘获和去俘获过程、离子迁移、和铁电极化。还讨论了理解 PSC 器件迟滞所需的剩余问题和未来研究。