Boosting photo-charge transfer in 3D/2D TiO2@Ti3C2 MXene/Bi2S3 Schottky/Z-scheme heterojunction for photocatalytic antibiotic degradation and H2 evolution

Hosseini, Seyyedeh Fatemeh; Dorraji, Mir Saeed Seyed; Rasoulifard, Mohammad Hossein

doi:10.1016/j.compositesb.2023.110820

Cited by 45 publications

(5 citation statements)

References 61 publications

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“…There was a distinct characteristic peak at 455.2 eV corresponding to Ti 3+ in Ti x O y , two distinct characteristic peaks at 459.8 and 465.6 eV corresponding to Ti 4+ in TiO 2 , the peak at 450.3 eV corresponds to Ti–C in Ti 3 C 2 T x , and the peaks at 453.8 and 464.1 eV correspond to Ti-X in TiC x . As shown in Figure C, the C 1s spectra show peaks at 283.9, 284.8, and 285.5 eV were attributed to C–Ti–O, CC, and C–O, respectively. As shown in Figure D, Mo 3d can be divided into two peaks at 232.6 and 229.0 eV for Mo–S 3d 3/2 and Mo–S 3d 5/2 .…”

Section: Resultsmentioning

confidence: 94%

A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

Ren,

Shao,

Xie

et al. 2024

ACS Sens.

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The construction of assays is capable of accurately detecting cytokeratin-19 (CYFRA 21–1), which is critical for the rapid diagnosis of nonsmall cell lung cancer. In this work, a novel electrochemiluminescence (ECL) immunosensor based on the co-reaction promotion of luminol@Au@Ni–Co nanocages (NCs) as ECL probe by Ti3C2T x MXene@TiO2–MoS2 hybrids as co-reaction accelerator was proposed to detect CYFRA 21–1. Ni–Co NCs, as a derivative of Prussian blue analogs, can be loaded with large quantities of Au NPs, luminol, and CYFRA 21–1 secondary antibodies due to their high specific surface area. To further improve the sensitivity of the developed ECL immunosensor, Ti3C2T x MXene@TiO2–MoS2 hybrids were prepared by in situ growth of TiO2 nanosheets on highly conductive Ti3C2T x MXene, and MoS2 was homogeneously grown on Ti3C2T x MXene@TiO2 surfaces by the hydrothermal method. Ti3C2T x MXene@TiO2–MoS2 hybrids possess excellent catalytic performance on the electro-redox of H2O2 generating more O2 ·– and obtaining optimal ECL intensity of the luminol/H2O2 system. Under the appropriate experimental conditions, the quantitative detection range of CYFRA 21–1 was from 0.1 pg mL–1 to 100 ng mL–1, and the limit of detection (LOD) was 0.046 pg mL–1. The present sensor has a lower LOD with a wider linear range, which provides a new analytical assay for the early diagnosis of small-cell-type lung cancer labels.

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Section: Resultsmentioning

confidence: 94%

A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

Ren,

Shao,

Xie

et al. 2024

ACS Sens.

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“…5b, is clearly smaller than that of other materials, confirming that Vs-ZCS/Ni 2 P-5% possesses the minimum interface resistance. 43,44 Moreover, the PL spectrum of the samples is displayed in Fig. 5c; ZCS has an intense emission peak near 530 nm, which implies that the photo-generated carriers in ZCS are seriously recombined.…”

Section: Resultsmentioning

confidence: 99%

Sulfur vacancies and a Ni₂P co-catalyst synergistically boost the photocatalytic H₂ evolution of Zn_0.5Cd_0.5S

Xia,

Qin,

Xie

et al. 2024

Green Chem.

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“…Ti 3 C 2 T x MXene’s excellent stability, metallic nature, and ease of synthesis make it a popular choice for gas sensors, batteries, and photocatalytic applications. , Previously, several studies reported the use of Ti 3 C 2 -based composites for photocatalytic CO 2 reduction applications. For example, various Ti 3 C 2 -based composites such as 2D/2D Ti 3 C 2 /g-C 3 N 4 , , Ti 3 C 2 /TiO 2 , Ti 3 C 2 /TiO 2 /Bi 2 S 3 , and CoAlLa-LDH/g-C 3 N 4 /Ti 3 C 2 were tested and obtained significantly higher photocatalytic efficiency during CO 2 reduction. Similarly, we tested Ti 3 C 2 with LaCoO 3 and g-C 3 N 4 and efficient charge carrier separation with higher H 2 production was obtained …”

Section: Introductionmentioning

confidence: 99%

Synergistic Effect of the V₂CT_x MXene@V₂O₅/TiO₂ NP Composite for Stimulating Photocatalytic CO₂ Reduction through Bireforming of Methanol to Produce CO and CH₄

Tahir

2024

Energy Fuels

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Vanadium carbide (V2C) MXene, a transition metal, exhibits significant potential as an innovative cocatalyst to enhance photocatalytic efficiency. In this study, we explored the construction of a self-assembled V2C@V2O5/TiO2 composite through the sol–gel method, incorporating in situ grown vanadium oxide (V2O5) with TiO2. Efficient charge carrier separation was achieved owing to the higher conductivity, abundant active sites, and higher light absorbance. When V2C@V2O5/TiO2 was employed with a methanol–water mixture, the resulting CO and CH4 production reached remarkable amounts of 20 075 and 17 567 μmol g–1 h–1, respectively. This represented a substantial enhancement in photocatalytic efficiency compared to using water/H2 sacrificial reagents and pure TiO2 nanoparticles. This enhanced photoactivity in the presence of methanol was attributed to efficient photoinduced carrier separation, facilitated by the synergistic effect of V2C/V2O5 and increased proton production. Moreover, the performance of the V2C MXene-based composite for CO, CH4, and H2 formation was 1.45, 52.75, and 1.35 times higher, respectively, than that achieved with the V2AlC MAX-based TiO2 composite. The advantages of V2C conductivity and its two-dimensional layered structure contributed to achieving higher photocatalytic efficiency compared to using the MAX structure. The maximum quantum yield of 9.7, 8.488, and 0.352% for CO, CH4, and H2, respectively, was achieved over the V2C@V2O5/TiO2 composite with continuous photoactivity with consecutive cycles. This study not only demonstrates the promising prospects of V2C MXenes but also introduces an innovative approach for designing and fabricating highly efficient and stable photocatalytic systems for CO2 recycling, with potential applications in various energy-related fields.

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Boosting photo-charge transfer in 3D/2D TiO2@Ti3C2 MXene/Bi2S3 Schottky/Z-scheme heterojunction for photocatalytic antibiotic degradation and H2 evolution

Cited by 45 publications

References 61 publications

A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

Sulfur vacancies and a Ni₂P co-catalyst synergistically boost the photocatalytic H₂ evolution of Zn_0.5Cd_0.5S

Synergistic Effect of the V₂CT_x MXene@V₂O₅/TiO₂ NP Composite for Stimulating Photocatalytic CO₂ Reduction through Bireforming of Methanol to Produce CO and CH₄

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Boosting photo-charge transfer in 3D/2D TiO2@Ti3C2 MXene/Bi2S3 Schottky/Z-scheme heterojunction for photocatalytic antibiotic degradation and H2 evolution

Cited by 45 publications

References 61 publications

A Co-Reactive Immunosensor Based on Ti3C2Tx MXene@TiO2–MoS2 Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

A Co-Reactive Immunosensor Based on Ti3C2Tx MXene@TiO2–MoS2 Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

Sulfur vacancies and a Ni2P co-catalyst synergistically boost the photocatalytic H2 evolution of Zn0.5Cd0.5S

Synergistic Effect of the V2CTx MXene@V2O5/TiO2 NP Composite for Stimulating Photocatalytic CO2 Reduction through Bireforming of Methanol to Produce CO and CH4

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A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

A Co-Reactive Immunosensor Based on Ti₃C₂T_x MXene@TiO₂–MoS₂ Hybrids Promoting luminol@Au@Ni–Co NCs Electrochemiluminescence for CYFRA 21–1 Detection

Sulfur vacancies and a Ni₂P co-catalyst synergistically boost the photocatalytic H₂ evolution of Zn_0.5Cd_0.5S

Synergistic Effect of the V₂CT_x MXene@V₂O₅/TiO₂ NP Composite for Stimulating Photocatalytic CO₂ Reduction through Bireforming of Methanol to Produce CO and CH₄