钙钛矿叠层太阳能电池结构与吸光材料叠层类型数据

选取关键词和IPC分类号相结合的方式进行专利检索：首先确定钙钛矿的别名/学名及英文翻译将钙钛矿、PEROVSKITE、CATIO作为第一类检索的关键词；其次从钙钛矿的功能、应用等方向出发，分别在IPC分类号中获取到合适的分类号，查找IPC分类号，基于分类号下所有文献对检索结果进行扩充，该分类号为经过专家加工的准确分类，可以较好地降低漏检率；最后从钙钛矿电池的结构、衍生物出发，确定第二类检索的关键词进行构建检索式，并对检索结果采用人工标引的方式进行精确去噪，最终获得数据集合。

Patent retrieval was conducted by combining keywords and IPC classification numbers. First, the aliases, scientific names and their English translations of perovskite were identified, with perovskite, PEROVSKITE and CATIO as the first batch of retrieval keywords. Second, appropriate classification numbers were obtained from the IPC classification system based on the functions and applications of perovskite. The retrieval results were expanded using all literature under these expert-vetted accurate classification numbers, which effectively reduces the missed detection rate. Finally, starting from the structure and derivatives of perovskite batteries, the second batch of retrieval keywords was determined to construct the search query. Manual indexing was adopted to precisely denoise the retrieved results, and the final dataset was obtained.