{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T13:43:53Z","timestamp":1791639833700,"version":"4.3.4"},"reference-count":52,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,7,6]],"date-time":"2023-07-06T00:00:00Z","timestamp":1688601600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["52271242"],"award-info":[{"award-number":["52271242"]}]},{"name":"National Natural Science Foundation of China","award":["11974352"],"award-info":[{"award-number":["11974352"]}]},{"name":"National Natural Science Foundation of China","award":["52001305"],"award-info":[{"award-number":["52001305"]}]},{"name":"National Natural Science Foundation of China","award":["52201167"],"award-info":[{"award-number":["52201167"]}]},{"name":"National Natural Science Foundation of China","award":["YJKYYQ20210009"],"award-info":[{"award-number":["YJKYYQ20210009"]}]},{"name":"National Natural Science Foundation of China","award":["YZJJKX202202"],"award-info":[{"award-number":["YZJJKX202202"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["52271242"],"award-info":[{"award-number":["52271242"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["11974352"],"award-info":[{"award-number":["11974352"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["52001305"],"award-info":[{"award-number":["52001305"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["52201167"],"award-info":[{"award-number":["52201167"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["YJKYYQ20210009"],"award-info":[{"award-number":["YJKYYQ20210009"]}]},{"name":"the Scientific Instrument Developing Project of the Chinese Academy of Sciences","award":["YZJJKX202202"],"award-info":[{"award-number":["YZJJKX202202"]}]},{"name":"HFIPS Director\u2019s Fund","award":["52271242"],"award-info":[{"award-number":["52271242"]}]},{"name":"HFIPS Director\u2019s Fund","award":["11974352"],"award-info":[{"award-number":["11974352"]}]},{"name":"HFIPS Director\u2019s Fund","award":["52001305"],"award-info":[{"award-number":["52001305"]}]},{"name":"HFIPS Director\u2019s Fund","award":["52201167"],"award-info":[{"award-number":["52201167"]}]},{"name":"HFIPS Director\u2019s Fund","award":["YJKYYQ20210009"],"award-info":[{"award-number":["YJKYYQ20210009"]}]},{"name":"HFIPS Director\u2019s Fund","award":["YZJJKX202202"],"award-info":[{"award-number":["YZJJKX202202"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Volatile organic compounds (VOCs), particularly monoaromatic hydrocarbon compounds (MACHs), pose a potential risk to the atmospheric environment and human health. Therefore, the progressive development of efficient detection methodologies is a pertinent need, which is still a challenge at present. In this study, we present a rapid and sensitive method to detect trace amounts of MACHs using a bifunctional SERS composite substrate. We prepared an Au\/SiO2 enhanced layer and a porous Cu(OH)2 adsorption layer via microfluidic-assisted gas-liquid interface self-assembly. The composite substrate effectively monitored changes in benzaldehyde using time-varying SERS spectra, and track-specifically identified various VOCs such as benzene, xylene, styrene, and nitrobenzene. In general, the substrate exhibited a rapid response time of 20 s to gaseous benzaldehyde, with a minimum detection concentration of less than 500 ppt. Further experimental assessments revealed an optimum Cu(OH)2 thickness of the surrounding adsorption layer of 150 nm, which can achieve an efficient SERS response to MACHs. Furthermore, the recoverable and reusable property of the composite substrate highlights its practicality. This study presents a straightforward and efficient approach for detecting trace gaseous VOCs using SERS, with significant implications in the designing of SERS substrates for detecting other VOCs.<\/jats:p>","DOI":"10.3390\/nano13132016","type":"journal-article","created":{"date-parts":[[2023,7,7]],"date-time":"2023-07-07T02:28:46Z","timestamp":1688696926000},"page":"2016","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Self-Assembled Bifunctional Copper Hydroxide\/Gold-Ordered Nanoarray Composites for Fast, Sensitive, and Recyclable SERS Detection of Hazardous Benzene Vapors"],"prefix":"10.3390","volume":"13","author":[{"given":"Yanyan","family":"Lu","sequence":"first","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuzhou","family":"Yuan","sequence":"additional","affiliation":[{"name":"Shandong Hengcheng Testing Technology Co., Ltd., Yantai 261400, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cuiping","family":"Jia","sequence":"additional","affiliation":[{"name":"School of of Economics and Management (SEM), Weifang University of Science and Technology, Weifang 262700, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Biao","family":"Lei","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongwen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhipeng","family":"Zhao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuyi","family":"Zhu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Zhao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4515-6098","authenticated-orcid":false,"given":"Weiping","family":"Cai","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China"},{"name":"Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"119447","DOI":"10.1016\/j.apcatb.2020.119447","article-title":"Recent advances in VOC elimination by catalytic oxidation technology onto various nanoparticles catalysts: A critical review","volume":"281","author":"Guo","year":"2021","journal-title":"Appl. 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