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In this study, an extensive Cu incorporating TiO2 induced nucleophilic oxygen structure was constructed in the CuTiOx catalyst, which exhibited superior low-temperature catalytic activity for C3H6 combustion. Thorough structural, surface characterization and density functional theory (DFT) calculations revealed that the Cu\u2013O\u2013Ti hybridization induced nucleophilic oxygen initiates C3H6 combustion by abstracting the C\u2013H bond. In situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) results indicated that incorporated copper species acted as the major adsorbent site for the propene molecule. In combination of the DRIFTS and DFT results, the promotion effect of the nucleophilic O on the C\u2013H bond abstraction and CO2 formation pathway was proposed. The surface doping induced nucleophilic oxygen as strong Br\u00f8nsted basic sites for low-temperature propene combustion exemplified an efficient strategy for rational design of next-generation environmental catalysts.<\/jats:p>","DOI":"10.1021\/acs.est.0c05845","type":"journal-article","created":{"date-parts":[[2020,11,6]],"date-time":"2020-11-06T12:47:27Z","timestamp":1604666847000},"page":"15476-15488","source":"Crossref","is-referenced-by-count":102,"title":["Engineering\nthe Nucleophilic Active Oxygen Species\nin CuTiO\n                    <i>x<\/i>\n                    for Efficient Low-Temperature\nPropene Combustion"],"prefix":"10.1021","volume":"54","author":[{"given":"Yarong","family":"Fang","sequence":"first","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li","family":"Li","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji","family":"Yang","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Son","family":"Hoang","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. 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China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuhua","family":"Zhu","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongtao","family":"Deng","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhu","family":"Luo","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. China, 430079"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3744-9800","authenticated-orcid":true,"given":"Chuanzhi","family":"Sun","sequence":"additional","affiliation":[{"name":"Shandong Normal University , , ,","place":["Jinan, P. R. China, 250014"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daqiang","family":"Gao","sequence":"additional","affiliation":[{"name":"Lanzhou University , , , ,","place":["Lanzhou, Gansu, P. R. China, 730000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenguo","family":"Li","sequence":"additional","affiliation":[{"name":"China Automotive Technology & Research Center Co., Ltd , , ,","place":["Tianjin, China, 300300"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5399-1739","authenticated-orcid":true,"given":"Yanbing","family":"Guo","sequence":"additional","affiliation":[{"name":"Central China Normal University , , ,","place":["Wuhan, P. R. 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