{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T00:46:26Z","timestamp":1789087586432,"version":"build-2803163510"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T00:00:00Z","timestamp":1619568000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T00:00:00Z","timestamp":1619568000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100004704","name":"National Research Council of Thailand","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100004704","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100010723","name":"Faculty of Science, Maejo University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100010723","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Nanoscale Res Lett"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this work, CuO-loaded tetragonal SnO<jats:sub>2<\/jats:sub> nanoparticles (CuO\/SnO<jats:sub>2<\/jats:sub> NPs) were synthesized using precipitation\/impregnation methods with varying Cu contents of 0\u201325 wt% and characterized for H<jats:sub>2<\/jats:sub>S detection. The material phase, morphology, chemical composition, and specific surface area of NPs were evaluated using X-ray diffraction, transmission electron microscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and Brunauer\u2013Emmett\u2013Teller analysis. From gas-sensing data, the H<jats:sub>2<\/jats:sub>S responses of SnO<jats:sub>2<\/jats:sub> NPs were greatly enhanced by CuO loading particularly at the optimal Cu content of 20 wt%. The 20 wt% CuO\/SnO<jats:sub>2<\/jats:sub> sensor showed an excellent response of 1.36\u2009\u00d7\u200910<jats:sup>5<\/jats:sup> toward 10\u00a0ppm H<jats:sub>2<\/jats:sub>S and high H<jats:sub>2<\/jats:sub>S selectivity against H<jats:sub>2<\/jats:sub>, SO<jats:sub>2<\/jats:sub>, CH<jats:sub>4<\/jats:sub>, and C<jats:sub>2<\/jats:sub>H<jats:sub>2<\/jats:sub> at a low optimum working temperature of 200\u00a0\u00b0C. In addition, the sensor provided fast response and a low detection limit of less than 0.15\u00a0ppm. The CuO\u2013SnO<jats:sub>2<\/jats:sub> sensor could therefore be a potential candidate for H<jats:sub>2<\/jats:sub>S detection in environmental applications.<\/jats:p>","DOI":"10.1186\/s11671-021-03530-1","type":"journal-article","created":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T18:15:06Z","timestamp":1619633706000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Highly Sensitive and Selective Sensing of H2S Gas Using Precipitation and Impregnation-Made CuO\/SnO2 Thick Films"],"prefix":"10.1186","volume":"16","author":[{"given":"Pimpan","family":"Leangtanom","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anurat","family":"Wisitsoraat","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kata","family":"Jaruwongrangsee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Narong","family":"Chanlek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adisorn","family":"Tuantranont","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sukon","family":"Phanichphant","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8514-705X","authenticated-orcid":false,"given":"Viruntachar","family":"Kruefu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,4,28]]},"reference":[{"key":"3530_CR1","doi-asserted-by":"publisher","first-page":"594","DOI":"10.1016\/j.snb.2011.11.006","volume":"161","author":"H Kim","year":"2012","unstructured":"Kim H, Jin C, Park S, Kim S, Lee C (2012) H2S gas sensing properties of bare and Pd-functionalized CuO nanorods. Sens Actuators B 161:594\u2013599","journal-title":"Sens Actuators B"},{"key":"3530_CR2","doi-asserted-by":"publisher","first-page":"492","DOI":"10.1016\/j.snb.2012.02.093","volume":"166\u2013167","author":"W Guo","year":"2012","unstructured":"Guo W, Liu T, Zhang H, Sun R, Chen Y, Zeng W, Wang Z (2012) Gas-sensing performance enhancement in ZnO nanostructures by hierarchical morphology. sens actuators b 166\u2013167:492\u2013499","journal-title":"sens actuators b"},{"key":"3530_CR3","first-page":"1","volume":"6","author":"R Sun","year":"2015","unstructured":"Sun R, Wang Z, Saito M, Shibata N, Ikuhara Y (2015) Atomistic mechanisms of nonstoichiometry-induced twin boundary structural transformation in titanium dioxide. Nat Commun 6:1\u20137","journal-title":"Nat Commun"},{"key":"3530_CR4","doi-asserted-by":"publisher","first-page":"4567","DOI":"10.1016\/j.ceramint.2015.11.150","volume":"42","author":"J Wang","year":"2016","unstructured":"Wang J, Zeng W, Wang Z (2016) Assembly of 2D nanosheets into 3D flower-like NiO: synthesis and the influence of petal thickness on gas-sensing properties. Ceram Int 42:4567\u20134573","journal-title":"Ceram Int"},{"key":"3530_CR5","doi-asserted-by":"publisher","first-page":"2295","DOI":"10.1016\/j.ceramint.2013.07.150","volume":"40","author":"W Guo","year":"2014","unstructured":"Guo W, Fu M, Zhai C, Wang Z (2014) Hydrothermal synthesis and gas-sensing properties of ultrathin hexagonal ZnO nanosheets. Ceram Int 40:2295\u20132298","journal-title":"Ceram Int"},{"key":"3530_CR6","doi-asserted-by":"publisher","first-page":"9029","DOI":"10.3390\/s91109029","volume":"9","author":"W Zeng","year":"2009","unstructured":"Zeng W, Liu T, Wang Z, Tsukimoto S, Saito M, Ikuhara Y (2009) Selective detection of formaldehyde gas using a Cd-doped TiO2\u2013SnO2 sensor. Sensors 9:9029\u20139038","journal-title":"Sensors"},{"key":"3530_CR7","doi-asserted-by":"publisher","first-page":"232","DOI":"10.1016\/j.tsf.2016.08.020","volume":"618","author":"Z Song","year":"2016","unstructured":"Song Z, Xu S, Li M, Zhang W, Yu H, Wang Y, Liu H (2016) Solution-processed SnO2 nanowires for sensitive and fast-response H2S detection. Thin Solid Films 618:232\u2013237","journal-title":"Thin Solid Films"},{"key":"3530_CR8","doi-asserted-by":"publisher","first-page":"119","DOI":"10.1016\/j.snb.2014.10.078","volume":"217","author":"W Luo","year":"2015","unstructured":"Luo W, Deng J, Fu Q, Zhou D, Hu Y, Gong S, Zheng Z (2015) Nanocrystalline SnO2 film prepared by the aqueous sol\u2013gel method and its application as sensing films of the resistance and SAW H2S sensor. Sens Actuators B 217:119\u2013128","journal-title":"Sens Actuators B"},{"key":"3530_CR9","doi-asserted-by":"publisher","first-page":"565","DOI":"10.1016\/j.snb.2014.07.021","volume":"203","author":"W Nakla","year":"2014","unstructured":"Nakla W, Wisitsora-at A, Tuantranont A, Singjai P, Phanichphant S, Liewhiran C (2014) H2S sensor based on SnO2 nanostructured film prepared by high current heating. Sens Actuators B 203:565\u2013578","journal-title":"Sens Actuators B"},{"key":"3530_CR10","doi-asserted-by":"publisher","first-page":"90","DOI":"10.1016\/j.physb.2017.07.056","volume":"524","author":"PS Kolhe","year":"2017","unstructured":"Kolhe PS, Koinkar PM, Maiti N, Sonawane KM (2017) Synthesis of Ag doped SnO2 thin films for the evaluation of H2S gas sensing properties. Physica B: Con Mat 524:90\u201396","journal-title":"Physica B: Con Mat"},{"key":"3530_CR11","doi-asserted-by":"publisher","first-page":"1095","DOI":"10.1016\/j.snb.2016.09.140","volume":"242","author":"J Sukunta","year":"2017","unstructured":"Sukunta J, Wisitsoraat A, Tuantranont A, Phanichphant S, Liewhiran C (2017) Highly-sensitive H2S sensors based on flame-made V-substituted SnO2 sensing films. Sens Actuators B 242:1095\u20131107","journal-title":"Sens Actuators B"},{"key":"3530_CR12","doi-asserted-by":"publisher","first-page":"678","DOI":"10.1016\/j.snb.2016.05.129","volume":"235","author":"S Kabcum","year":"2016","unstructured":"Kabcum S, Tammanoon N, Wisitsoraat A, Tuantranont A, Phanichphant S, Liewhiran C (2016) Role of molybdenum substitutional dopants on H2S-sensing enhancement of flame-spray-made SnO2 nanoparticulate thick films. Sens Actuators B 235:678\u2013690","journal-title":"Sens Actuators B"},{"key":"3530_CR13","doi-asserted-by":"publisher","first-page":"72","DOI":"10.1016\/j.snb.2015.04.025","volume":"216","author":"J Ma","year":"2015","unstructured":"Ma J, Liu Y, Zhang H, Ai P, Gong N, Wu Y, Yu D (2015) Room temperature ppb level H2S detection of a single Sb-doped SnO2 nanoribbon device. Sens Actuators B 216:72\u201379","journal-title":"Sens Actuators B"},{"key":"3530_CR14","doi-asserted-by":"publisher","first-page":"227","DOI":"10.1016\/j.matchemphys.2015.03.006","volume":"156","author":"NS Ramgir","year":"2015","unstructured":"Ramgir NS, Datta N, Kumar S, Kailasaganapathi S, Patil UV, Karmakar N, Kaur M, Debnath AK, Kothari DC, Aswal DK, Gupta SK (2015) Effect of Fe modification on H2S sensing properties of rheotaxially grown and thermally oxidized SnO2 thin films. Mater Chem Phys 156:227\u2013237","journal-title":"Mater Chem Phys"},{"key":"3530_CR15","doi-asserted-by":"publisher","first-page":"862","DOI":"10.1016\/j.snb.2017.01.057","volume":"248","author":"J Liu","year":"2017","unstructured":"Liu J, Lu Y, Cui X, Geng Y, Jin G, Zhai Z (2017) Gas-sensing properties and sensitivity promoting mechanism of Cu-added SnO2 thin films deposited by ultrasonic spray pyrolysis. Sens Actuators B 248:862\u2013867","journal-title":"Sens Actuators B"},{"key":"3530_CR16","doi-asserted-by":"publisher","first-page":"10006","DOI":"10.1016\/j.ceramint.2016.03.103","volume":"42","author":"C Wang","year":"2016","unstructured":"Wang C, Zeng W, Luo L, Zhang P, Wang Z (2016) Gas-sensing properties and mechanisms of Cu-doped SnO2 spheres towards H2S. Ceram Int 42:10006\u201310013","journal-title":"Ceram Int"},{"key":"3530_CR17","doi-asserted-by":"publisher","first-page":"587","DOI":"10.1016\/j.snb.2009.02.053","volume":"138","author":"V Kumar","year":"2009","unstructured":"Kumar V, Sen S, Muthe KP, Gaur NK, Gupta SK, Yakhmi JV (2009) Copper doped SnO2 nanowires as highly sensitive H2S gas sensor. Sens Actuators B 138:587\u2013590","journal-title":"Sens Actuators B"},{"key":"3530_CR18","doi-asserted-by":"publisher","first-page":"694","DOI":"10.1016\/j.snb.2008.04.007","volume":"133","author":"CM Ghimbeu","year":"2008","unstructured":"Ghimbeu CM, Lumbreras M, Siadat M, Landschoot RC, Schoonman J (2008) Electrostatic sprayed SnO2 and Cu-doped SnO2 films for H2S detection. Sens Actuators B 133:694\u2013698","journal-title":"Sens Actuators B"},{"key":"3530_CR19","doi-asserted-by":"publisher","first-page":"280","DOI":"10.1016\/j.apsusc.2014.10.134","volume":"324","author":"NV Toan","year":"2015","unstructured":"Toan NV, Deng J, Fu Q, Zhou D, Hu Y, Gong S, Zheng Z (2015) Scalable fabrication of SnO2 thin films sensitized with CuO islands for enhanced H2S gas sensing performance. Appl Surf Sci 324:280\u2013285","journal-title":"Appl Surf Sci"},{"key":"3530_CR20","doi-asserted-by":"publisher","first-page":"371","DOI":"10.1016\/j.snb.2013.12.111","volume":"194","author":"KI Choi","year":"2014","unstructured":"Choi KI, Kim HJ, Kang YC, Lee J-H (2014) Ultraselective and ultrasensitive detection of H2S in highly humid atmosphere using CuO-loaded SnO2 hollow spheres for real time diagnosis of halitosis. Sens Actuators B 194:371\u2013376","journal-title":"Sens Actuators B"},{"key":"3530_CR21","doi-asserted-by":"publisher","first-page":"130","DOI":"10.1016\/j.snb.2013.01.067","volume":"181","author":"F Shao","year":"2013","unstructured":"Shao F, Hoffmanna MWG, Prades JD, Zamani R, Arbiol J, Morante JR, Varechkina E, Rumyantseva M, Gaskov A, Giebelhaus I, Fischer T, Mathur S, Hern\u00e1ndez-Ram\u00edrez F (2013) Heterostructured p-CuO (nanoparticle)\/n-SnO2 (nanowire) devices for selective H2S detection. Sens Actuators B 181:130\u2013135","journal-title":"Sens Actuators B"},{"key":"3530_CR22","doi-asserted-by":"publisher","first-page":"378","DOI":"10.1016\/j.snb.2012.02.076","volume":"166\u2013167","author":"MK Verma","year":"2012","unstructured":"Verma MK, Gupta V (2012) A highly sensitive SnO2\u2013CuO multilayered sensor structure for detection of H2S gas. Sens Actuators B 166\u2013167:378\u2013385","journal-title":"Sens Actuators B"},{"key":"3530_CR23","doi-asserted-by":"publisher","first-page":"54","DOI":"10.1016\/j.snb.2012.02.054","volume":"169","author":"SW Choi","year":"2012","unstructured":"Choi SW, Zhang J, Akash K, Kim SS (2012) H2S sensing performance of electrospun CuO-loaded SnO2 nanofibers. Sens Actuators B 169:54\u201360","journal-title":"Sens Actuators B"},{"key":"3530_CR24","doi-asserted-by":"publisher","first-page":"82","DOI":"10.1016\/j.snb.2012.02.020","volume":"165","author":"Y Zhao","year":"2012","unstructured":"Zhao Y, He X, Li J, Gao X, Jia J (2012) Porous CuO\/SnO2 composite nanofibers fabricated by electrospinning and their H2S sensing properties. Sens Actuators B 165:82\u201387","journal-title":"Sens Actuators B"},{"key":"3530_CR25","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1016\/j.snb.2009.11.050","volume":"145","author":"A Chowdhuri","year":"2010","unstructured":"Chowdhuri A, Singh SK, Sreenivas K, Gupta V (2010) Contribution of adsorbed oxygen and interfacial space charge for enhanced response of SnO2 sensors having CuO catalyst for H2S gas. Sens Actuators B 145:155\u2013166","journal-title":"Sens Actuators B"},{"key":"3530_CR26","doi-asserted-by":"publisher","first-page":"181","DOI":"10.1016\/j.tsf.2010.03.162","volume":"518","author":"M Verma","year":"2010","unstructured":"Verma M, Chowdhuri A, Sreenivas K, Gupta V (2010) Comparison of H2S sensing response of hetero-structure sensor (CuO\u2013SnO2) prepared by rf sputtering and pulsed laser deposition. Thin Solid Films 518:181\u2013182","journal-title":"Thin Solid Films"},{"key":"3530_CR27","doi-asserted-by":"publisher","first-page":"105","DOI":"10.1016\/j.snb.2009.07.052","volume":"142","author":"IS Hwang","year":"2009","unstructured":"Hwang IS, Choi JK, Kim SJ, Dong KY, Kwon JH, Jub BK, Lee JH (2009) Enhanced H2S sensing characteristics of SnO2 nanowires functionalized with CuO. Sens Actuators B 142:105\u2013110","journal-title":"Sens Actuators B"},{"key":"3530_CR28","doi-asserted-by":"publisher","first-page":"110","DOI":"10.3390\/s30500110","volume":"3","author":"J Liu","year":"2003","unstructured":"Liu J, Huang X, Ye G, Liu W, Jiao Z, Chao W, Zhou Z, Yu Z (2003) H2S Detection sensing characteristic of CuO\/SnO2 sensor. Sensors 3:110\u2013118","journal-title":"Sensors"},{"key":"3530_CR29","doi-asserted-by":"publisher","first-page":"714","DOI":"10.1016\/j.snb.2017.10.190","volume":"257","author":"Z Zhang","year":"2018","unstructured":"Zhang Z, Xu M, Liu L, Ruan X, Yan J, Zhao W, Yun J, Wang Y, Qin S, Zhang T (2018) Novel SnO2@ZnO hierarchical nanostructures for highly sensitive and selective NO2 gas sensing. Sens Actuators B 257:714\u2013727","journal-title":"Sens Actuators B"},{"key":"3530_CR30","doi-asserted-by":"publisher","first-page":"515","DOI":"10.1016\/j.snb.2014.12.010","volume":"209","author":"Y Wang","year":"2015","unstructured":"Wang Y, Qu F, Liu J, Wang Y, Zhou J, Ruan S (2015) Enhanced H2S sensing characteristics of CuO\u2013NiO core-shell microspheres sensors. Sens Actuators B 209:515\u2013523","journal-title":"Sens Actuators B"},{"key":"3530_CR31","doi-asserted-by":"publisher","first-page":"566","DOI":"10.1016\/j.snb.2007.07.036","volume":"128","author":"N Yamazoe","year":"2008","unstructured":"Yamazoe N, Shimanoe K (2008) Theory of power laws for semiconductor gas sensors. Sens Actuators B Chem 128:566\u2013573","journal-title":"Sens Actuators B Chem"}],"container-title":["Nanoscale Research Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s11671-021-03530-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s11671-021-03530-1\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s11671-021-03530-1.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,3,20]],"date-time":"2023-03-20T04:42:38Z","timestamp":1679287358000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s11671-021-03530-1"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,4,28]]},"references-count":31,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2021,12]]}},"alternative-id":["3530"],"URL":"https:\/\/doi.org\/10.1186\/s11671-021-03530-1","relation":{},"ISSN":["1556-276X"],"issn-type":[{"value":"1556-276X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,4,28]]},"assertion":[{"value":"20 July 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 April 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"28 April 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare that they have no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"70"}}