{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T20:28:35Z","timestamp":1769977715787,"version":"3.49.0"},"reference-count":26,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2008,11,16]],"date-time":"2008-11-16T00:00:00Z","timestamp":1226793600000},"content-version":"vor","delay-in-days":320,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2008,1]]},"abstract":"<jats:p>Multiwalled carbon nanotube (MWCNT) films have been deposited by using plasma\u2010enhanced chemical vapor deposition (PECVD) system onto alumina substrates, provided with 6\u2009nm thick cobalt (Co) growth catalyst for remarkably improved NO<jats:sub>2<\/jats:sub> gas sensing, at working temperature in the range of 100\u2013250<jats:sup>\u2218<\/jats:sup>C. Functionalization of the MWCNTs with nanoclusters of gold (Au) sputtering has been performed to modify the surface of carbon nanotube networked films for enhanced and specific NO<jats:sub>2<\/jats:sub> gas detection up to sub\u2010ppm level. It is demonstrated that the NO<jats:sub>2<\/jats:sub> gas sensitivity of the MWCNT\u2010based sensors depends on Au\u2010loading used as surface\u2010catalyst. The gas response of MWCNT\u2010based chemiresistor is attributed to <jats:italic>p-type<\/jats:italic> conductivity in the Au\u2010modified semiconducting MWCNTs with a very good short\u2010term repeatability and faster recovery. The sensor temperature of maximum NO<jats:sub>2<\/jats:sub> sensitivity of the Au\u2010functionalized MWCNTs is found to decrease with increasing Au\u2010loading on their surface, and continuous gas monitoring at ppb level of NO<jats:sub>2<\/jats:sub> is effectively performed with Au\u2010modified MWCNT chemiresistors.<\/jats:p>","DOI":"10.1155\/2008\/107057","type":"journal-article","created":{"date-parts":[[2008,11,17]],"date-time":"2008-11-17T15:03:18Z","timestamp":1226934198000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Surface Modification of Carbon Nanotube  Networked Films with Au Nanoclusters for  Enhanced NO<sub>2<\/sub> Gas Sensing Applications"],"prefix":"10.1155","volume":"2008","author":[{"given":"M.","family":"Penza","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Rossi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Alvisi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Cassano","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. A.","family":"Signore","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Serra","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Giorgi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2008,11,16]]},"reference":[{"key":"e_1_2_5_1_2","doi-asserted-by":"publisher","DOI":"10.1038\/354056a0"},{"key":"e_1_2_5_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/3-540-39947-X"},{"key":"e_1_2_5_3_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.287.5453.622"},{"key":"e_1_2_5_4_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1545166"},{"key":"e_1_2_5_5_2","doi-asserted-by":"publisher","DOI":"10.1021\/nl034220x"},{"key":"e_1_2_5_6_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2456258"},{"key":"e_1_2_5_7_2","doi-asserted-by":"publisher","DOI":"10.1021\/nl034010k"},{"key":"e_1_2_5_8_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2187510"},{"key":"e_1_2_5_9_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2370292"},{"key":"e_1_2_5_10_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1784872"},{"key":"e_1_2_5_11_2","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2006.886863"},{"key":"e_1_2_5_12_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1626265"},{"key":"e_1_2_5_13_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature01777"},{"key":"e_1_2_5_14_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2778355"},{"key":"e_1_2_5_15_2","doi-asserted-by":"publisher","DOI":"10.1088\/0957-4484\/18\/18\/185502"},{"key":"e_1_2_5_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cplett.2003.11.091"},{"key":"e_1_2_5_17_2","doi-asserted-by":"publisher","DOI":"10.1021\/jp0471857"},{"key":"e_1_2_5_18_2","doi-asserted-by":"publisher","DOI":"10.1002\/1521-4095(200109)13:18<1384::AID-ADMA1384>3.0.CO;2-8"},{"key":"e_1_2_5_19_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2722207"},{"key":"e_1_2_5_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cplett.2004.02.026"},{"key":"e_1_2_5_21_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.snb.2005.03.089"},{"key":"e_1_2_5_22_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1408274"},{"key":"e_1_2_5_23_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1748-0132(07)70113-5"},{"key":"e_1_2_5_24_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.susc.2006.01.063"},{"key":"e_1_2_5_25_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0009-2614(00)01162-3"},{"key":"e_1_2_5_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0925-4005(97)80272-9"}],"container-title":["Journal of Sensors"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2008\/107057.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/js\/2008\/107057.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1155\/2008\/107057","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,7,2]],"date-time":"2024-07-02T12:42:08Z","timestamp":1719924128000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1155\/2008\/107057"}},"subtitle":[],"editor":[{"given":"Kourosh","family":"Kalantar-Zadeh","sequence":"additional","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2008,1]]},"references-count":26,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2008,1]]}},"alternative-id":["10.1155\/2008\/107057"],"URL":"https:\/\/doi.org\/10.1155\/2008\/107057","archive":["Portico"],"relation":{},"ISSN":["1687-725X","1687-7268"],"issn-type":[{"value":"1687-725X","type":"print"},{"value":"1687-7268","type":"electronic"}],"subject":[],"published":{"date-parts":[[2008,1]]},"assertion":[{"value":"2008-05-30","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2008-09-22","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2008-11-16","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"107057"}}