title: Highly Sensitive Chemical Detection with Tunable Sensitivity and Selectivity from Ultrathin Platinum Nanowires.
abstract: Ultrathin platinum nanowires obtained from wet-synthesis with no strong binding ligands exhibit very high sensitivity toward hydrogen gas (two orders of magnitude increase compared with state-of-the-art devices). Their chemical sensitivity, selectivity, and other sensing characteristics can be rationally tailored through further surface engineering. A significantly reduced cross-sensitivity toward humidity is achieved, while the hydrogen sensitivity is preserved or even enhanced.
authors.affiliation: Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA.|California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Mengning
authors.initials: M
authors.lastname: Ding
authors.affiliation: Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Liu
authors.affiliation: California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA, 90095, USA.|Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Gongming
authors.initials: G
authors.lastname: Wang
authors.affiliation: Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Zipeng
authors.initials: Z
authors.lastname: Zhao
authors.affiliation: Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Anxiang
authors.initials: A
authors.lastname: Yin
authors.affiliation: Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Qiyuan
authors.initials: Q
authors.lastname: He
authors.affiliation: Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA.|California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Yu
authors.initials: Y
authors.lastname: Huang
authors.affiliation: California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA, 90095, USA.|Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
authors.forename: Xiangfeng
authors.initials: X
authors.lastname: Duan
keywords: gas sensors; surface chemistry; surface ligands; ultrathin metal nanowires