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In this work, by fully benefitting from high\u2010quality AlN template (with threading dislocation density as low as \u22486\u00d710<jats:sup>8<\/jats:sup> cm<jats:sup>\u22122<\/jats:sup>) as well as outstanding deep ultraviolet (UVC\u2010less than 280\u00a0nm) light\u2010emitting diodes (LEDs) structure design and epitaxy optimization, high power UVC LEDs and ultra\u2010high\u2010power sterilization irradiation source are achieved. Moreover, for the first time, a result in which a fast and complete elimination of SARS\u2010CoV\u20102 (the virus causes COVID\u201019) within only 1 s is achieved by the nearly whole industry\u2010chain\u2010covered product. These results advance the promising potential in UVC\u2010LED disinfection particularly in the shadow of COVID\u201019.<\/jats:p>","DOI":"10.1002\/adfm.202008452","type":"journal-article","created":{"date-parts":[[2020,11,25]],"date-time":"2020-11-25T05:02:40Z","timestamp":1606280560000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":85,"title":["Sec\u2010Eliminating the SARS\u2010CoV\u20102 by AlGaN Based High Power Deep Ultraviolet Light Source"],"prefix":"10.1002","volume":"31","author":[{"given":"Shangfeng","family":"Liu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Luo","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Laboratory Animal Science (ILAS) Chinese Academy of Medical Sciences  Beijing 100021 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ye","family":"Yuan","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Tong","sequence":"additional","affiliation":[{"name":"Institute of Laboratory Animal Science (ILAS) Chinese Academy of Medical Sciences  Beijing 100021 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junjie","family":"Kang","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yixin","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duo","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Rong","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaoying","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Artificial Microstructure and Mesoscopic Physics School of Physics, Nano\u2010Optoelectronics Frontier Center of Ministry of Education (NFC\u2010MOE) Peking University  Beijing 100871 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongde","family":"Li","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Houjin","family":"Wang","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weiyun","family":"Wang","sequence":"additional","affiliation":[{"name":"Songshan Lake Materials Laboratory  Dongguan Guangdong 523808 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Hoo","sequence":"additional","affiliation":[{"name":"Advanced Micro\u2010Fabrication Equipment Inc.  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