{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,26]],"date-time":"2025-12-26T08:31:54Z","timestamp":1766737914990,"version":"build-2065373602"},"reference-count":51,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2025,2,1]],"date-time":"2025-02-01T00:00:00Z","timestamp":1738368000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"2022 Provincial Quality Engineering Project for Higher Education Institutions of Anhui Province","award":["2022jyxm276","2022jyxm296"],"award-info":[{"award-number":["2022jyxm276","2022jyxm296"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Isovaleraldehyde is an important chemical raw material for the production of flavors, which is volatile and flammable and poses a health risk to humans. It is, therefore, essential to develop a rapid assay for the identification of isovaleraldehyde. In this study, octahedral NiCo2O4\/MIL-Fe53 nanocomposites were successfully fabricated for the rapid detection of isovaleraldehyde. The prepared NiCo2O4\/MIL-Fe53 nanocomposites were characterized by SEM, XRD, FTIR, and XPS to analyze the material properties. The effects of temperature, carrier gas flow rate, selectivity, and stability on the cataluminescence performance of this sensor were investigated. The results showed that NiCo2O4\/MIL-Fe53 nanocomposites have excellent selectivity to isovaleraldehyde with response and recovery times of 6 and 8 s, respectively. A linear relationship was found between the CTL signal and isovaleraldehyde concentration Y = 9.56X \u2212 23.3 (R2 = 0.99) over the concentration range of 13.66 to 437.22 ppm with a detection limit of 2.44 ppm. The relative deviation RSD = 4.18% for multiple tests of the sensor indicates good stability and longevity. Mechanistic studies have shown that the heterojunction formed by NiCo2O4\/MIL-Fe53 nanocomposites has the advantage of improving CTL sensing performance. This study may advance the application of cataluminescence sensors in the detection of isovaleraldehyde.<\/jats:p>","DOI":"10.3390\/molecules30030646","type":"journal-article","created":{"date-parts":[[2025,2,3]],"date-time":"2025-02-03T12:18:56Z","timestamp":1738585136000},"page":"646","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["An Environmental Engineering Study Case: Constructing Cataluminescence Sensors Based on Octahedral Nanocomposites for Isovaleraldehyde Detection"],"prefix":"10.3390","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9054-6864","authenticated-orcid":false,"given":"Bai","family":"Sun","sequence":"first","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"},{"name":"Environmental Materials and Pollution Control Laboratory, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei 230031, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mao","family":"Cai","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guoji","family":"Shi","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun","family":"Wang","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lining","family":"Bao","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8902-7706","authenticated-orcid":false,"given":"Qiang","family":"Zhao","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2785-0975","authenticated-orcid":false,"given":"Mingjian","family":"Yi","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuguang","family":"Zhu","sequence":"additional","affiliation":[{"name":"Anhui Institute of Urban and Rural Green Development and Urban Renewal, College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6945","DOI":"10.1039\/D2CY01181F","article-title":"Recent progress on catalysts for catalytic oxidation of volatile organic compounds: A review","volume":"12","author":"Liu","year":"2022","journal-title":"Catal. 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