2017
DOI: 10.1007/s10853-017-1541-4
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Synthesis and characterization of tin dioxide thick film modified by APTES in vapor and liquid phases

Abstract: International audienceSurface functionalization has numerous applications worldwide. Silicon oxide has been a research material of choice. However, tin dioxide (SnO2) films are employed in many applications especially in gas sensors, and little studied in regard to functionalization. Thus, they were chosen to be functionalized via 3-aminopropyltriethoxysilane (APTES). Different synthesis parameters were tested such as APTES grafting by vapor or liquid phases deposition. In liquid, many parameters we… Show more

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Cited by 22 publications
(9 citation statements)
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“…The high-resolution O 1s X-ray photoelectron spectra (XPS) reveal a Si─O bond near 531.9 eV and an N─C═O bond near 530.5 eV. [27,28] This indicates a shift toward a lower binding energy, which is attributed to the electron-withdrawing effect facilitated by hydrogen bonding with the amino group of ODA (Figure 1b(i)), in accordance with previous studies. [29] This conclusion is corroborated by the corresponding highresolution Si 2p spectra.…”
Section: Structural Characterization Of Pns-coated Fabricssupporting
confidence: 89%
“…The high-resolution O 1s X-ray photoelectron spectra (XPS) reveal a Si─O bond near 531.9 eV and an N─C═O bond near 530.5 eV. [27,28] This indicates a shift toward a lower binding energy, which is attributed to the electron-withdrawing effect facilitated by hydrogen bonding with the amino group of ODA (Figure 1b(i)), in accordance with previous studies. [29] This conclusion is corroborated by the corresponding highresolution Si 2p spectra.…”
Section: Structural Characterization Of Pns-coated Fabricssupporting
confidence: 89%
“…3(f) shows the Si 2p core-level spectrum with a main peak at 101.54 eV (100%) and is assigned to Si atom bounded to oxygen and carbon (C-Si-O) in the APTES molecule. 43,44 These results conrm that the successful capping APTES is graed or capped with ZnO QDs and is consistent with the FTIR and EDX analysis.…”
Section: Acetone Detection In Actual Human Urine Samplessupporting
confidence: 83%
“…Printing APTES yielded an XPS peak at 285.8 eV (Figure 3C), assigned to the amino carbon chemical bond (NC). 32 After immersion with GA solution, a carbonyl carbon peak (H−C O) of aldehyde was determined at 288.2 eV (Figure 3D), which confirmed the GA SAM formation. 33 The appearance of N 1s after APTES modification indicated amino monolayer formation, exhibiting two peaks at 400.1 eV for amino groups bonded to carbon (C−NH 2 ) and at 401.8 eV assigned to a protonated amino (C−NH 3 + ).…”
Section: Resultsmentioning
confidence: 78%
“…Figure B–D shows the XPS C 1s fitting results after each modification step. Printing APTES yielded an XPS peak at 285.8 eV (Figure C), assigned to the amino carbon chemical bond (NC) . After immersion with GA solution, a carbonyl carbon peak (H–CO) of aldehyde was determined at 288.2 eV (Figure D), which confirmed the GA SAM formation .…”
Section: Resultsmentioning
confidence: 90%