{"id":"https://openalex.org/keywords/power-conversion-efficiency","display_name":"power conversion efficiency","description":"The ratio of useful electrical output power to input power, commonly used to evaluate photovoltaic cells and power converters.","display_name_alternatives":["efficiency of power conversion","PCE"],"ids":{"openalex":"https://openalex.org/keywords/power-conversion-efficiency","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10247","display_name":"Perovskite Materials and Applications","score":0.2937,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10247","display_name":"Perovskite Materials and Applications","score":0.2937,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","score":0.2848,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10024","display_name":"TiO2 Photocatalysis and Solar Cells","score":0.104,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":81026,"cited_by_count":2943321,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/power-conversion-efficiency","updated_date":"2026-10-19T04:06:21","created_date":"2026-09-30T00:00:00"}
