2009
DOI: 10.1039/b821213a
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CdS-Ag nanocomposite arrays: enhanced electro-chemiluminescence but quenched photoluminescence

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Cited by 52 publications
(20 citation statements)
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“…The lower BE of Ag 3d observed is attributed to a possible strong electronic interaction between TiO 2 and the Ag nanoparticles resulting from the charge transfer from TiO 2 particles to metallic Ag through Ag-TiO 2 heterostructures. [38,39] Ag and Au particles are also reported to bind on oxygen-vacancy sites of titania, which makes the electronic interaction strong. Such a shift in BE for Ag 0 in Ag/TiO 2 has been observed in previous studies.…”
Section: X-ray Photoelectron Spectroscopy Studies Of Tiomentioning
confidence: 99%
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“…The lower BE of Ag 3d observed is attributed to a possible strong electronic interaction between TiO 2 and the Ag nanoparticles resulting from the charge transfer from TiO 2 particles to metallic Ag through Ag-TiO 2 heterostructures. [38,39] Ag and Au particles are also reported to bind on oxygen-vacancy sites of titania, which makes the electronic interaction strong. Such a shift in BE for Ag 0 in Ag/TiO 2 has been observed in previous studies.…”
Section: X-ray Photoelectron Spectroscopy Studies Of Tiomentioning
confidence: 99%
“…The characteristic and most intense O 1s peak component appears at 529.5 eV is ascribed to the lattice oxygen from TiO 2 . A broad shoulder occurs at a BE around 532.6 AE 0.1 eV was described to the surface hydroxyl group [38,39] and O atoms in the vicinity of oxygen vacancies. [6] A rough estimate of O 1s shoulder peak area at 532.5 eV to total O 1s peak area reveals that the former was higher on Ag/TiO 2 than that on virgin TiO 2 and is in agreement with literature.…”
Section: X-ray Photoelectron Spectroscopy Studies Of Tiomentioning
confidence: 99%
“…The average thickness of TNA‐NF is thinner (5–10 nm), and the tube pitch is larger (50–150 nm) than TNA‐HF (see Figure d). TNA‐NF are interspaced by several gaps, with a pore density of ≈2.0 × 10 10 cm −2 , which can be attributed to van der Waals attraction and capillary force during drying . As shown in Figure S2 (Supporting Information), the nanotubes diameter distribution and density of nanotubes of the two kinds of TNA are clearly different.…”
Section: Resultsmentioning
confidence: 97%
“…However, it is known that the CdS is unstable upon light illumination, and photo-corrosion may occur on catalyst surface during photocatalytic process. There are several ways to modify CdS to overcome its drawback, such as the hybridization with other semiconductors [21][22][23][24], metal ion doping [25][26][27], and deposition [28][29][30]. Notably, metal ion doping and deposition have attracted intensive research attention with the goal of enhancing charge separation.…”
Section: Introductionmentioning
confidence: 99%