{"id":"https://openalex.org/A5014421183","orcid":"https://orcid.org/0000-0002-7417-923X","observed_orcids":["https://orcid.org/0000-0002-7417-923X"],"display_name":"Woo-Jin Choi","raw_author_names":["Woo-Jin Choi","Woo-jin Choi","Woojin Choi","Woojin choi"],"full_name":"Woo-Jin Choi","works_count":16,"cited_by_count":284,"summary_stats":{"2yr_mean_citedness":4.0,"h_index":7,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5014421183","orcid":"https://orcid.org/0000-0002-7417-923X","observed_orcids":["https://orcid.org/0000-0002-7417-923X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I118722661","ror":"https://ror.org/05h9pgm95","display_name":"Kyungsung University","country_code":"KR","type":"education","lineage":["https://openalex.org/I118722661"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I4210123920","ror":"https://ror.org/02w3gk008","display_name":"Silla University","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210123920"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4210129495","ror":"https://ror.org/03cpyc314","display_name":"National Research Foundation","country_code":"SG","type":"government","lineage":["https://openalex.org/I4210129495"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I4387155431","ror":"https://ror.org/01xpa3123","display_name":"National Research Foundation","country_code":"AE","type":"government","lineage":["https://openalex.org/I4387155431","https://openalex.org/I903614036"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I48566637","ror":"https://ror.org/017cjz748","display_name":"Ulsan National Institute of Science and Technology","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I848706","ror":"https://ror.org/04q78tk20","display_name":"Sungkyunkwan University","country_code":"KR","type":"education","lineage":["https://openalex.org/I848706"]},"years":[2022,2013,2012,2011]},{"institution":{"id":"https://openalex.org/I866804994","ror":"https://ror.org/05s0g1g46","display_name":"National Research Foundation","country_code":"ZA","type":"nonprofit","lineage":["https://openalex.org/I866804994"]},"years":[2011]}],"last_known_institutions":[{"id":"https://openalex.org/I48566637","ror":"https://ror.org/017cjz748","display_name":"Ulsan National Institute of Science and Technology","country_code":"KR","type":"education","lineage":["https://openalex.org/I48566637"]}],"topics":[{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","count":8,"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","count":3,"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"}},{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","count":3,"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/T10090","display_name":"ZnO doping and properties","count":3,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10472","display_name":"Semiconductor materials and devices","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","value":3.99e-05,"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","value":2.18e-05,"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/T11907","display_name":"Copper-based nanomaterials and applications","value":1.52e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10590","display_name":"Chalcogenide Semiconductor Thin Films","value":1.41e-05,"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/T10090","display_name":"ZnO doping and properties","value":1.38e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9076489210128784},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.6676307320594788},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.413443386554718},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.3000503182411194},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.2946750223636627}],"counts_by_year":[{"year":2011,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":11},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":22},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":25},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":30},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":20}],"display_name_alternatives":["Woo-Jin Choi","Woo-jin Choi","Woojin Choi","Woojin choi"],"block_key":"w choi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5014421183","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5014421183","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}
