2015
DOI: 10.1016/j.apsusc.2015.03.068
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A first-principles study on gas sensing properties of graphene and Pd-doped graphene

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Cited by 249 publications
(86 citation statements)
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“…5b). At every NH3 constant concentration, the Pd-NPs content because of the NH3 gas-sensing property of Pd-NPs [22,23]. Therefore, the number of NH3 molecules diffused on the surface of a Pd-PANi film increased (compared with the case of the PANi film), leading to decreased response time.…”
Section: Resultsmentioning
confidence: 96%
See 1 more Smart Citation
“…5b). At every NH3 constant concentration, the Pd-NPs content because of the NH3 gas-sensing property of Pd-NPs [22,23]. Therefore, the number of NH3 molecules diffused on the surface of a Pd-PANi film increased (compared with the case of the PANi film), leading to decreased response time.…”
Section: Resultsmentioning
confidence: 96%
“…Pd has an electronic open-shell configuration 4d 9 5s 1 , which is appropriate for adsorption and desorption of H2 and NH3 at room temperature [19][20][21][22][23].…”
Section: Resultsmentioning
confidence: 99%
“…It has been reported that functionalization, introducing dopants, and defects can tune the electronic and magnetic properties of the various nanomaterials [13][14][15][16][17][18][19]. It has been reported that the sensitivity of graphene-based gas sensors can be significantly improved by introducing the dopants or defects [9,11,18,[20][21][22][23][24]. Zhang et al discovered strong interactions between Bdoped, N-doped, and defective graphene with small gas molecules such as NO 2 , CO, NO, and NH 3 [9].…”
Section: Introductionmentioning
confidence: 99%
“…Metal nanoparticle decoration also increases both sensitivity and selectivity of graphene based sensors for the detection of toxic metal ions. 11 Among the other transition metals, [12][13][14][15] Fe atoms are also considered to be effective dopants to improve the catalytic and gas sensing properties of graphene. [16][17][18] Although, the choice of this non-noble metal as a dopant is mainly motivated by its low cost, Fe atoms can perform as good as noble metal atoms (such as Pt-atoms) in terms of improving the sensitivity of graphene, as was revealed in recent first-principles calculations.…”
Section: Introductionmentioning
confidence: 99%