XPS study of amorphous carbon nitride (a-C:N) thin films deposited by reactive RF sputtering

Ech‐chamikh, E.; Essafti, A.; Ijdiyaou, Y.; Azizan, M.

doi:10.1016/j.solmat.2005.10.007

Cited by 86 publications

(52 citation statements)

References 13 publications

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“…8). The C 1s spectrum in this case was deconvoluted into three peaks: the one at lower BE (284.7-284.9 eV) can be attributed to C-C and/or C C [34], the second at 286.2-286.8 eV would be related to C-O bonds, and the last one at the highest binding energy could indicate the presence of ROC O groups [35]. As was expected, after 1200 s etching, the amount of carbon on the sample diminished in both membranes, whereas the peak at high-binding energy dis- Table 1, (e) after step (d) calcined with air at 380 • C for 8 h. ETS-10 powder is included for comparison.…”

Section: Xps Analysismentioning

confidence: 99%

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Separation of propylene/propane mixtures by titanosilicate ETS-10 membranes prepared in one-step seeded hydrothermal synthesis

Tiscornia

Irusta

Téllez

et al. 2008

Journal of Membrane Science

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Section: Xps Analysismentioning

confidence: 99%

“…As was already reported for ETS-10 powder [22], the O 1s region was decomposed into two contributions; the high-intensity peak at a binding energy of 532.3-532.4 eV is attributed to O in Si-O-Si and Si-O-Ti linkages. The low binding energy (BE) peak with lower intensity (530.4-530.8 eV) is due to Ti-O-Ti bonds [34].…”

Section: Xps Analysismentioning

confidence: 99%

Separation of propylene/propane mixtures by titanosilicate ETS-10 membranes prepared in one-step seeded hydrothermal synthesis

Tiscornia

Irusta

Téllez

et al. 2008

Journal of Membrane Science

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“…S6d, ESI †). 30 After the initial characterization of the two components of the catalysts (photocatalyst and co-catalysts), we further investigated the catalysts for the photochemical H 2 evolution (Fig. 1).…”

mentioning

confidence: 99%

Nickel as a co-catalyst for photocatalytic hydrogen evolution on graphitic-carbon nitride (sg-CN): what is the nature of the active species?

et al. 2016

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The nature of a nickel-based co-catalyst deposited on a sol-gel prepared porous graphitic-carbon nitride (sg-CN), for photocatalytic H 2 production from water, has been investigated. The formation of the active catalytic species, charge separation and recombination of the photogenerated electrons and holes during photochemical H 2 evolution has been determined for the first time using in situ EPR spectroscopy.

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“…24 Fig. 3 shows the C 1s spectral region in the XPS for the different DLC films, along with DLC with deposited graphene overlayers.…”

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confidence: 99%

Graphene diamond-like carbon films heterostructure

Zhao

Afandi

Jackman

2015

Applied Physics Letters

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A limitation to the potential use of graphene as an electronic material is the lack of control over the 2D materials properties once it is deposited on a supporting substrate. Here, the use of Diamond-like Carbon (DLC) interlayers between the substrate and the graphene is shown to offer the prospect of overcoming this problem. The DLC films used here, more properly known as a-C:H with ∼25% hydrogen content, have been terminated with N or F moieties prior to graphene deposition. It is found that nitrogen terminations lead to an optical band gap shrinkage in the DLC, whilst fluorine groups reduce the DLC's surface energy. CVD monolayer graphene subsequently transferred to DLC, N terminated DLC, and F terminated DLC has then been studied with AFM, Raman and XPS analysis, and correlated with Hall effect measurements that give an insight into the heterostructures electrical properties. The results show that different terminations strongly affect the electronic properties of the graphene heterostructures. G-F-DLC samples were p-type and displayed considerably higher mobility than the other heterostructures, whilst G-N-DLC samples supported higher carrier densities, being almost metallic in character. Since it would be possible to locally pattern the distribution of these differing surface terminations, this work offers the prospect for 2D lateral control of the electronic properties of graphene layers for device applications.

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XPS study of amorphous carbon nitride (a-C:N) thin films deposited by reactive RF sputtering

Cited by 86 publications

References 13 publications

Separation of propylene/propane mixtures by titanosilicate ETS-10 membranes prepared in one-step seeded hydrothermal synthesis

Separation of propylene/propane mixtures by titanosilicate ETS-10 membranes prepared in one-step seeded hydrothermal synthesis

Nickel as a co-catalyst for photocatalytic hydrogen evolution on graphitic-carbon nitride (sg-CN): what is the nature of the active species?

Graphene diamond-like carbon films heterostructure

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