{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T19:17:17Z","timestamp":1770751037138,"version":"3.50.0"},"reference-count":24,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2013,11,6]],"date-time":"2013-11-06T00:00:00Z","timestamp":1383696000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The gas-sensing properties of Pt-decorated carbon nanotubes (CNTs), which provide a foundation for the fabrication of sensors, have been evaluated. In this study, we calculated the gas adsorption of Pt-decorated (8,0) single-wall CNTs (Pt-SWCNTs) with SO2, H2S, and CO using GGA\/PW91 method based on density functional theory. The adsorption energies and the changes in geometric and electronic structures after absorption were comprehensively analyzed to estimate the responses of Pt-SWCNTs. Results indicated that Pt-SWCNTs can respond to the three gases. The electrical characteristics of Pt-SWCNTs show different changes after adsorption. Pt-SWCNTs donate electrons and increase the number of hole carriers after adsorbing SO2, thereby enhancing its conductivity. When H2S is adsorbed on CNTs, electrons are transferred from H2S to Pt-SWCNTs, converting Pt-SWCNTs from p-type to n-type sensors with improved conductivity. However, Pt-SWCNTs obtain electrons and show decreased conductivity when reacted with CO gas.<\/jats:p>","DOI":"10.3390\/s131115159","type":"journal-article","created":{"date-parts":[[2013,11,6]],"date-time":"2013-11-06T11:41:50Z","timestamp":1383738110000},"page":"15159-15171","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":62,"title":["Theoretical Calculation of the Gas-Sensing Properties of  Pt-Decorated Carbon Nanotubes"],"prefix":"10.3390","volume":"13","author":[{"given":"Xiaoxing","family":"Zhang","sequence":"first","affiliation":[{"name":"State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Shapingba District, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ziqiang","family":"Dai","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Shapingba District, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Wei","sequence":"additional","affiliation":[{"name":"State Grid Xinjiang Electric Power Company, Construction Road, Urumchi 830011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naifeng","family":"Liang","sequence":"additional","affiliation":[{"name":"State Grid Xinjiang Electric Power Company, Construction Road, Urumchi 830011, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoqing","family":"Wu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Shapingba District, Chongqing 400044, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2013,11,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"838","DOI":"10.1109\/TDEI.2010.5492256","article-title":"Study on PD detection in SF6 using multi-wall carbon nanotube films sensor","volume":"17","author":"Zhang","year":"2010","journal-title":"IEEE Trans. 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