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The Copper-Oxide (CuO) nanoparticles were prepared by a colloid microwave-assisted hydrothermal method that enables precise control of nanoparticle size. The sodium carboxymethyl cellulose (CMC) powder with 5% glycerol ionic liquid (IL) was prepared and mixed with different concentrations of CuO NPs (2.5\u20137.5 wt.%) to produce flexible and semi-conductive polymeric matrix membranes. Each membrane was then sandwiched between a pair of electrodes to produce an H\n                    <jats:sub>2<\/jats:sub>\n                    S gas sensor. The temperature-dependent gas sensing characteristics of the prepared sensors were investigated over the temperature ranges from 40\u2009\u00b0C to 80\u2009\u00b0C. The sensors exhibited high sensitivity and reasonably fast responses to H\n                    <jats:sub>2<\/jats:sub>\n                    S gas at low working temperatures and at a low gas concentration of 15 ppm. Moreover, the sensors were highly selective to H\n                    <jats:sub>2<\/jats:sub>\n                    S gas, and they showed low humidity dependence, which indicates reliable functioning in humid atmospheres. This organic-inorganic hybrid-materials gas sensor is flexible, with good sensitivity and low power consumption has the potential to be used in harsh environments.\n                  <\/jats:p>","DOI":"10.1038\/s41598-020-60069-4","type":"journal-article","created":{"date-parts":[[2020,2,19]],"date-time":"2020-02-19T06:03:30Z","timestamp":1582092210000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":47,"title":["Cellulose-Copper Oxide hybrid nanocomposites membranes for H2S gas detection at low temperatures"],"prefix":"10.1038","volume":"10","author":[{"given":"Waseem","family":"Hittini","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayah F.","family":"Abu-Hani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Reddy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saleh T.","family":"Mahmoud","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,2,19]]},"reference":[{"key":"60069_CR1","doi-asserted-by":"publisher","first-page":"756","DOI":"10.1016\/j.snb.2018.11.075","volume":"282","author":"TY Hwang","year":"2019","unstructured":"Hwang, T. 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