{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T02:08:28Z","timestamp":1791338908904,"version":"4.3.1"},"reference-count":39,"publisher":"IOP Publishing","issue":"39","license":[{"start":{"date-parts":[[2019,7,16]],"date-time":"2019-07-16T00:00:00Z","timestamp":1563235200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2019,7,16]],"date-time":"2019-07-16T00:00:00Z","timestamp":1563235200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Nanotechnology"],"published-print":{"date-parts":[[2019,9,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    This paper reports an interdigitated metal\u2013semiconductor\u2013metal (MSM) based hydrogen gas (H\n                    <jats:sub>2<\/jats:sub>\n                    ) sensor using colloidal zinc oxide (ZnO) quantum dots (QDs) as the sensing material. The active layer is obtained by spin coating of as-synthesized colloidal ZnO QDs on a SiO\n                    <jats:sub>2<\/jats:sub>\n                    \/Si substrate in which the SiO\n                    <jats:sub>2<\/jats:sub>\n                    layer is grown by oxidation of the Si substrate. The surface morphology of a ZnO QDs -based active film is measured using scanning electron microscopy (SEM) and atomic force microscopy (AFM) support for enhanced gas response. The change in current is measured for different concentrations of H\n                    <jats:sub>2<\/jats:sub>\n                    gas at 175 \u00b0C in an ambient air atmosphere. Reasonably good gas responses of \u223c41% for 1% H\n                    <jats:sub>2<\/jats:sub>\n                    gas and 83.2% for 4% H\n                    <jats:sub>2<\/jats:sub>\n                    gas have been obtained in ambient air condition. A high selectivity of the proposed sensor with respect to ammonia, sulfur dioxide and organic vapours such as acetone, methanol, chlorobenzene, and chloroform has also been achieved due to nanostructure ZnO films.\n                  <\/jats:p>","DOI":"10.1088\/1361-6528\/ab2c41","type":"journal-article","created":{"date-parts":[[2019,6,25]],"date-time":"2019-06-25T09:59:46Z","timestamp":1561456786000},"page":"395501","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":35,"title":["Fabrication and characterization of a ZnO quantum dots-based metal\u2013semiconductor\u2013metal sensor for hydrogen gas"],"prefix":"10.1088","volume":"30","author":[{"given":"Smrity","family":"Ratan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3982-1178","authenticated-orcid":false,"given":"Chandan","family":"Kumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amit","family":"Kumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deepak Kumar","family":"Jarwal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashwini Kumar","family":"Mishra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3874-6487","authenticated-orcid":false,"given":"Rishibrind Kumar","family":"Upadhyay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6772-8117","authenticated-orcid":false,"given":"Satyabrata","family":"Jit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2019,7,16]]},"reference":[{"key":"nanoab2c41bib1","doi-asserted-by":"publisher","DOI":"10.1088\/0957-4484\/21\/9\/095503","type":"journal-article","article-title":"A passive wireless hydrogen surface acoustic wave sensor based on Pt-coated ZnO nanorods","volume":"21","author":"Huang","year":"2010","journal-title":"Nanotechnology"},{"key":"nanoab2c41bib2","doi-asserted-by":"publisher","first-page":"14","DOI":"10.1109\/JSEN.2016.2620185","type":"journal-article","article-title":"An investigation on electrical and hydrogen sensing characteristics of RF sputtered ZnO thin-film with palladium Schottky contacts","volume":"17","author":"Rajan","year":"2017","journal-title":"IEEE Sens. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2019-04-19","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2019-06-24","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2019-07-16","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}