Organic–inorganic hybrid perovskite solar cells have attracted great attention in the past few decades due to their high efficiency and low cost of production. Hybrid perovskite solar cells have been widely investigated and commercialized due to their excellent performance in terms of power conversion efficiency and stability. However, there are still many challenges and challenges to be addressed to further improve their performance. In this paper, three kinds of lead iodide films of perovskite seeds were prepared by optimized film process, and the UV, XRD, SEM and steady-state fluorescence spectrum data of MAI, FAI and CsI showed that FAI's lead iodide film was most likely to be the best choice of perovskite absorbent layer material. This method provides a new strategy for preparing uniform and dense perovskite films.
Transition metal phosphorus-based catalysts have attracted much attention because of their enhanced charge transfer, expanded active surface area and promoted electrolyte migration. The preparation methods of phosphorus bimetal catalysts, the latest research progress in water decomposition devices, supercapacitors and dye-sensitized solar cells are reviewed. Finally, the challenges and future development direction in the field of catalysis are briefly prospected.
Cheap and efficient electrocatalysts are of great importance in energy conversion and storage. Transition metal
phosphorus-based catalysts have attracted much attention because of the variety of active sites and controllable structure
and composition. Phosphor-based catalysts showed good electrocatalytic performance for both OER and HER over a
wide pH range. Hence, the preparation and characterization methods of phosphorous catalysts were introduced in this
paper, and the latest research progress in OER and HER was reviewed. Finally, the challenges and future development
direction in the field of energy electrocatalysis were briefly prospected.
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