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In a groundbreaking collaboration, the research group led by Professor Zhao Qing at the School of Physics, Peking University, has developed a multifaceted substrate hydroxylation technique. This innovative approach offers robust and dense bonding sites for self-assembled monolayers (SAMs), paving the way for the fabrication of perovskite solar cells that are both highly efficient and stable. This technology has markedly enhanced the anchoring stability of SAMs, allowing nano-antireflection structures to form spontaneously on the substrate surface, thereby bolstering photon transmission. As a result, perovskite solar cells utilizing this strategy have achieved an impressive power conversion efficiency of 26.6%, and have maintained 96% of their initial efficiency after continuous operation at 65°C for 2800 hours.
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