Templated-seeding renders tailored crystallization in perovskite photovoltaics: path towards future efficient modules
文献情報
Jing Zhang, Peng Mao, Yungui Li
Perovskite solar cells (PSCs) are extensively studied due to their low cost and high power-conversion efficiency. However, the scalable fabrication of pinhole-free perovskite films with uniform coverage and large well-crystallized grains still remains a significant challenge to date. Currently, the seed-assisted growth technique is emerging as a useful approach for enhancing the device performance of PSCs by finely tuning the morphology of the perovskite film, affording heterogeneous nucleation sites that improve the quality of crystallization. In this perspective, we provide a concise overview of the seed-assisted crystallization strategy, encompassing the provision of heterogeneous nucleation sites, reduction of energy barriers, control over nucleation processes, and the necessity and benefits of implementing this approach in perovskite modules, all of which collectively lead to notable improvements in perovskite device performance. By highlighting the application of the above templated crystallization in a scalable process, we propose that the deliberate integration of consistently oriented and uniformly-sized seeds during large-area coating holds the potential to yield superior film crystallization uniformity and heightened efficiency in the module. We hope this perspective can screen the detailed information on crystal growth in PSC and shed light on both theoretical framework and experimental approach for future efficient perovskite solar modules.
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Journal of Materials Chemistry A

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment














