Meeting growing energy demands sustainably is one of the greatest challenges facing the world. The sun strikes the Earth with sufficient energy in 1.5 h to meet annual world energy demands, likely making solar energy conversion part of future sustainable energy production plans. Photosynthetic organisms have been evolving solar energy utilization strategies for nearly 3.5 billion years, making reaction centers including the remarkably stable Photosystem I (PSI) especially interesting for biophotovoltaic device integration. Although these biohybrid devices have steadily improved, their output remains low compared with traditional photovoltaics. We discuss strategies and methods to improve PSI-based biophotovoltaics, focusing on PSI-surface interaction enhancement, electrolytes, and light-harvesting enhancement capabilities. Desirable features and current drawbacks to PSI-based devices are also discussed.

可持续地满足不断增长的能源需求是世界面临的最大挑战之一。太阳在 1.5 小时内以足够的能量撞击地球，以满足世界每年的能源需求，这可能使太阳能转换成为未来可持续能源生产计划的一部分。近 35 亿年来，光合生物一直在发展太阳能利用策略，这使得包括非常稳定的光系统 I (PSI) 在内的反应中心对生物光伏设备集成特别感兴趣。尽管这些生物混合设备已经稳步改进，但与传统光伏设备相比，它们的输出仍然很低。我们讨论了改进基于 PSI 的生物光伏的策略和方法，重点是 PSI 表面相互作用增强、电解质和光收集增强能力。