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Compared with traditional multi\u2010axial electrospinning approaches to the synthesis of core\u2013shell nanofibers, the single\u2010nozzle electrospinning process requires no complex multi\u2010axial electrospinning setups or post\u2010treatments, just drying and annealing after electrospinning. The obtained SnO<jats:sub>2<\/jats:sub> nanofibers show promise as a sensing material for formaldehyde at low concentrations, the detection limit being about 1\u2005ppm. Furthermore, the nanofibers exhibited good cycling stability and selectivity, with response and recovery times toward 10\u2005ppm formaldehyde being approximately 18 and 196\u2005s, respectively, at an operating temperature of 195\u2009\u00b0C.<\/jats:p>","DOI":"10.1002\/chem.202000713","type":"journal-article","created":{"date-parts":[[2020,5,4]],"date-time":"2020-05-04T09:50:55Z","timestamp":1588585855000},"page":"9365-9370","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Cable\u2010Like Core\u2013Shell Mesoporous SnO<sub>2<\/sub> Nanofibers by Single\u2010Nozzle Electrospinning Phase Separation for Formaldehyde Sensing"],"prefix":"10.1002","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9311-9152","authenticated-orcid":false,"given":"Dongpo","family":"Xu","sequence":"first","affiliation":[{"name":"School of Medical Instrument and Food Engineering University of Shanghai for Science and Technology  Shanghai 200093 P.\u2005R. 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