2019
DOI: 10.1016/j.apsusc.2019.05.368
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The ethanol-sensitive property of hierarchical MoO3-mixed SnO2 aerogels via facile ambient pressure drying

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Cited by 22 publications
(7 citation statements)
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“…It is known to all that the intrinsic semiconductor gas-sensing materials have the disadvantages of poor gas response, high operating temperature, and long response-recovery time owing to the inherent defects of semiconductors [10,11]. Thus, a large number of researches about using various synthetic techniques to control the surface morphology of sensing materials have been reported [12,13,14].…”
Section: Introductionmentioning
confidence: 99%
“…It is known to all that the intrinsic semiconductor gas-sensing materials have the disadvantages of poor gas response, high operating temperature, and long response-recovery time owing to the inherent defects of semiconductors [10,11]. Thus, a large number of researches about using various synthetic techniques to control the surface morphology of sensing materials have been reported [12,13,14].…”
Section: Introductionmentioning
confidence: 99%
“…As shown, the diffraction rings correspond to the plane (111), (200), (220), (311), (222), (400), and (420) of Ni 0.8 Cu 0.2 O, respectively. Particularly, the widened diffraction rings indicate that some of the crystals are still semi-crystalline or amorphous . These findings can explain the result that no characteristic peaks of MoO 3 were observed in the XRD patterns.…”
Section: Resultsmentioning
confidence: 79%
“…The XPS O1s spectra of the SnO 2 nanoparticles are presented in Figure a–d, where broad and asymmetric peaks are observed for the SnO 2 -1, SnO 2 -2, and SnO 2 -4 samples. These peaks can be further deconvoluted into two peaks located at 530.8 ± 0.4 and 532.8 ± 0.2 eV, attributed to the oxygen ions in the SnO 2 crystal lattice (O L ) and the oxygen species chemisorbed at the surface (O C ), respectively. , In particular, the SnO 2 -3 sample shows a distinct O C peak. Table S1 summarizes the relative peak areal intensities of the O L and O C peaks in each sample, indicating that SnO 2 -3 has the highest O C peak areal intensity (71.92%).…”
Section: Resultsmentioning
confidence: 99%