Dataset of emission and excitation spectra, UV–vis absorption spectra, and XPS spectra of graphitic C3N4

Understanding the fabrication mechanism of graphitic carbon nitride (gC3N4) nanostructures is critical for tailoring their physicochemical properties for various catalytic applications. In this article, we provide deep insights into the optimized parameters for the rational synthesis of one-dimensional gC3N4 atomically doped with Pd and Cu denoted as (Pd/Cu/gC3N4NTs) and its fabrication mechanism. This is in addition to the CO oxidation durability along with the electrochemical and photoelectrochemical CO2 reduction durability of Pd/Cu/gC3N4NTs. The presented herein results are correlated to the research article entitled “Precise Fabrication of Porous One-dimensional gC3N4 Nanotubes Doped with Pd and Cu Atoms for Efficient CO Oxidation and CO2 Reduction (Kamel Eid et al., 2019).

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“…7c) without any significant deterioration in the current density, reduction kinetics, and reduction potential (Fig. 7d), [17].…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 85%

Data on the catalytic CO oxidation and CO2 reduction durability on gC3N4 nanotubes Co-doped atomically with Pd and Cu

Eid

Abdullah

2019

Data in Brief

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“…The optical properties of g-C 3 N 4 and SnO 2 @g-C 3 N 4 were also investigated using the UV–vis spectra and photoluminescence (PL) emission spectra (Figure d,e). The absorption band edge of g-C 3 N 4 is observed in the visible region with the absorption edge of ∼455 nm. − The SnO 2 @g-C 3 N 4 shows the absorption edge much closer toward the g-C 3 N 4 , indicating that the absorption of g-C 3 N 4 in SnO 2 @g-C 3 N 4 is not affected by the introduction of SnO 2 clusters. The PL spectrum of g-C 3 N 4 displays a strong emission peak around 465 nm, representing rapid recombination of electron (e – ) and hole (h + ) pairs, while the PL emission spectrum of SnO 2 @g-C 3 N 4 is quenched significantly relative to that of pure g-C 3 N 4 (Figure e), because the photocarrier recombination is suppressed, suggesting that the excited electrons are transferred to the SnO 2 clusters.…”

Section: Resultsmentioning

confidence: 96%

Tensile Strain in Tin Oxide Clusters Stabilized by C₃N₄ for Highly Efficient Visible Light-Driven H₂O₂ Production

Zhang

Song

et al. 2022

ACS Sustainable Chem. Eng.

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Photocatalytic synthesis of H 2 O 2 , as a potential alternative to the industrial anthraquinone process, does not require additional energy input and is a nontoxic and pollution-free process, which has attracted widespread attention. Herein, we successfully anchored the SnO 2 clusters into the g-C 3 N 4 through the Sn−N bond (SnO 2 @g-C 3 N 4 ) as a highly efficient photocatalyst for visible lightdriven H 2 O 2 production. Because of the existence of the Sn−N bond, the thickness of the SnO 2 @g-C 3 N 4 material is thinner, and the lattice spacing of SnO 2 is stretched, achieving an excellent photocatalytic hydrogen peroxide production rate of 1021.15 μmol g −1 h −1 , which is 58-fold more than that of the original g-C 3 N 4 . Moreover, the turnover frequency of SnO 2 @g-C 3 N 4 (1.7 min −1 ) has a huge advantage of 57 times compared with that of the original g-C 3 N 4 . The outstanding photocatalytic activity is attributed to the lattice tensile of SnO 2 clusters in SnO 2 @g-C 3 N 4 , leading to the decreased d-band center, which can promote the OOH* to HOOH* transformation as the rate-determining step. Meanwhile, the SnO 2 @g-C 3 N 4 can improve the electron migration from bulk to the catalyst surface, as well as the electron separation, which also plays an important role in activity improvement. This work provides a promising photocatalyst for efficient visible light-driven generation of H 2 O 2 . KEYWORDS: SnO 2 cluster, g-C 3 N 4 , Visible light, H 2 O 2 production, Density functional theory

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“…The more positive the corrosion potential ( E corr ) of EH36 steel in the corrosion medium, the less prone it was to corrode and the smaller the corrosion current density ( I corr ), the smaller the corrosion rate (He et al , 2018). As can be seen from Figure 14 and Table 9, the E corr of the TDN-x1 or TDN- x 2 solutions added was proportional, the I corr density of the TDN-x1 solution was increased and the I corr density of the TDN- x 2 solution was reduced.…”

Section: Resultsmentioning

confidence: 99%

Study on enzyme activity inhibition mechanism of Thiobacillus denitrification intracellular enzyme to sulfate-reducing bacteria intracellular enzyme

Qiu

Tian

Zhang

et al. 2022

ACMM

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Purpose Sulfate-reducing bacteria (SRB) are recognized by scholars as the most important class of bacteria leading to corrosion of metal materials. It is important to use the properties of microorganisms to inhibit the growth of SRB in the corrosion protection of metal materials and to protect the environment. Design/methodology/approach In this work, the behavior of anaerobic Thiobacillus denitrificans (TDN) intracellular enzyme inhibition of SRB corrosion of EH36 steel was investigated with electrochemical impedance spectroscopy, biological detection technology and X-ray photoelectron spectroscopy. Findings Results showed that the SRB crude intracellular enzyme affected the corrosion behavior of EH36 steel greatly and the purified TDN intracellular enzyme inhibits SRB intracellular enzyme corrosion to EH36 steel. Originality/value A perfect enzyme activity inhibition mechanism will provide theoretical guidance for the selection and application of anticorrosion microorganisms, which is of scientific significance in the field of microbial anticorrosion research.

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Dataset of emission and excitation spectra, UV–vis absorption spectra, and XPS spectra of graphitic C3N4

Cited by 12 publications

References 8 publications

Data on the catalytic CO oxidation and CO2 reduction durability on gC3N4 nanotubes Co-doped atomically with Pd and Cu

Data on the catalytic CO oxidation and CO2 reduction durability on gC3N4 nanotubes Co-doped atomically with Pd and Cu

Tensile Strain in Tin Oxide Clusters Stabilized by C₃N₄ for Highly Efficient Visible Light-Driven H₂O₂ Production

Study on enzyme activity inhibition mechanism of Thiobacillus denitrification intracellular enzyme to sulfate-reducing bacteria intracellular enzyme

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Dataset of emission and excitation spectra, UV–vis absorption spectra, and XPS spectra of graphitic C3N4

Cited by 12 publications

References 8 publications

Data on the catalytic CO oxidation and CO2 reduction durability on gC3N4 nanotubes Co-doped atomically with Pd and Cu

Data on the catalytic CO oxidation and CO2 reduction durability on gC3N4 nanotubes Co-doped atomically with Pd and Cu

Tensile Strain in Tin Oxide Clusters Stabilized by C3N4 for Highly Efficient Visible Light-Driven H2O2 Production

Study on enzyme activity inhibition mechanism of Thiobacillus denitrification intracellular enzyme to sulfate-reducing bacteria intracellular enzyme

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Tensile Strain in Tin Oxide Clusters Stabilized by C₃N₄ for Highly Efficient Visible Light-Driven H₂O₂ Production