Enhancement of bifunctional photocatalytic activity of boron-doped g-C3N4/SnO2 heterojunction driven by plasmonic Ag quantum dots

Nagappagari, Lakshmana Reddy; Le, Thanh Duc; Ahemad, Mohammad Jamir; Oh, Geun-Jae; Shin, Gi-Seung; Lee, Ki-Young; Yu, Yeon–Tae

doi:10.1016/j.mtnano.2023.100325

Cited by 4 publications

(2 citation statements)

References 72 publications

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“…It can speed up the charge separation and promote e − transfer. This helps to decrease the likelihood of recombining e − -h + pairs and enhances the photocatalytic activity [ 40 , 41 , 42 ]. From the results of electrochemical AC impedance, we see the effective charge transfer rate of CdS is weaker than that of CdS-TiO 2 , but in the photodegradation experiment, the photodegradation rate is higher than that of CdS-TiO 2 .…”

Section: Resultsmentioning

confidence: 99%

C60- and CdS-Co-Modified Nano-Titanium Dioxide for Highly Efficient Photocatalysis and Hydrogen Production

Zhang,

Liang,

Gao

et al. 2024

Materials

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The inherent properties of TiO2, including a wide band gap and restricted spectral response range, hinder its commercial application and its ability to harness only 2–3% of solar energy. To address these challenges and unlock TiO2’s full potential in photocatalysis, C60- and CdS-co-modified nano-titanium dioxide has been adopted in this work to reduce the band gap, extend the absorption wavelength, and control photogenerated carrier recombination, thereby enhancing TiO2’s light-energy-harnessing capabilities and hydrogen evolution capacity. Using the sol-gel method, we successfully synthesized CdS-C60/TiO2 composite nanomaterials, harnessing the unique strengths of CdS and C60. The results showed a remarkable average yield of 34.025 μmol/h for TiO2 co-modified with CdS and C60, representing a substantial 17-fold increase compared to pure CdS. Simultaneously, the average hydrogen generation of C60-modified CdS surged to 5.648 μmol/h, a notable two-fold improvement over pure CdS. This work opens up a new avenue for the substantial improvement of both the photocatalytic degradation efficiency and hydrogen evolution capacity, offering promise of a brighter future in photocatalysis research.

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Section: Resultsmentioning

confidence: 99%

C60- and CdS-Co-Modified Nano-Titanium Dioxide for Highly Efficient Photocatalysis and Hydrogen Production

Zhang,

Liang,

Gao

et al. 2024

Materials

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“…The doping of g-C 3 N 4 with boron was performed by Yu’s group for the purpose of reducing the recombination of charge carriers by introducing defects/impurities in the semiconductor . In addition, creating a heterojunction with SnO 2 enhanced the transfer rate of electrons and holes at the interface.…”

Section: Heterojunction Of G-c3n4 Combined With Plasmonic Metal Npsmentioning

confidence: 99%

Plasmonic Heterojunction Photocatalysts for Hydrogen Generation: A Mini-Review

Verma,

Kuwahara,

Mori

et al. 2023

Energy Fuels

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Solar energy is one of the most rapidly growing energy technologies and is directly involved in transitioning toward a more sustainable society. Solar to hydrogen fuel generation via photocatalysis is ideal for addressing the energy crisis worldwide. It requires the discovery of new materials or a new combination of materials to efficiently harvest sunlight with maximum solar-tophoton conversion efficiency. Plasmonic catalysts have recently emerged as a new class of materials and are promising candidates for confining light in the nanoscale regimes via localized surface plasmon resonance effect. In this review, we have collated state-ofthe-art photocatalysts for hydrogen generation utilizing the combination of supports, including metal−organic framework (MOF), metal−organic matrix (MOM), g-C 3 N 4 , TiO 2 , MoS 2 , and WO 3 . The synthesis, characterization, and catalytic performance, along with the technical and novelty aspect, have been discussed. Finally, the future perspective section includes key directions to further improve the photocatalytic route of hydrogen generation by plasmonic catalysts.

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Facile green synthesis of SnO2:Zn@g-C3N4 heterojunction nanocomposite using Murraya paniculata leaves extract for effective photocatalytic degradation of organic dye malachite green by sunlight illumination

Snigdha,

Gautam,

Gautam

et al. 2024

Journal of Molecular Structure

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Enhancement of bifunctional photocatalytic activity of boron-doped g-C3N4/SnO2 heterojunction driven by plasmonic Ag quantum dots

Cited by 4 publications

References 72 publications

C60- and CdS-Co-Modified Nano-Titanium Dioxide for Highly Efficient Photocatalysis and Hydrogen Production

C60- and CdS-Co-Modified Nano-Titanium Dioxide for Highly Efficient Photocatalysis and Hydrogen Production

Plasmonic Heterojunction Photocatalysts for Hydrogen Generation: A Mini-Review

Facile green synthesis of SnO2:Zn@g-C3N4 heterojunction nanocomposite using Murraya paniculata leaves extract for effective photocatalytic degradation of organic dye malachite green by sunlight illumination

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