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Cao, Zhenzhen [Author]; Yin, Qiao [Author]; Zhang, Yuxuan [Author]; Li, Yi [Author]; Yu, Canjun [Author]; Zhang, Mengke [Author]; Fan, Bingbing [Author]; Shao, Gang [Author]; Wang, Hailong [Author]; Xu, Hongliang [Author]; Zhang, Rui [Author]; Lu, Hongxia [Author]

Heterostructure Composites of Tio2 and Cdzns Nanoparticles Decorated on Ti3c2 Tx Nanosheets and Their Enhanced Photocatalytic Performance by Microwave Hydrothermal Method

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  • Media type: E-Book
  • Title: Heterostructure Composites of Tio2 and Cdzns Nanoparticles Decorated on Ti3c2 Tx Nanosheets and Their Enhanced Photocatalytic Performance by Microwave Hydrothermal Method
  • Contributor: Cao, Zhenzhen [VerfasserIn]; Yin, Qiao [VerfasserIn]; Zhang, Yuxuan [VerfasserIn]; Li, Yi [VerfasserIn]; Yu, Canjun [VerfasserIn]; Zhang, Mengke [VerfasserIn]; Fan, Bingbing [VerfasserIn]; Shao, Gang [VerfasserIn]; Wang, Hailong [VerfasserIn]; Xu, Hongliang [VerfasserIn]; Zhang, Rui [VerfasserIn]; Lu, Hongxia [VerfasserIn]
  • imprint: [S.l.]: SSRN, [2022]
  • Extent: 1 Online-Ressource (27 p)
  • Language: English
  • DOI: 10.2139/ssrn.4030309
  • Identifier:
  • Origination:
  • Footnote:
  • Description: Abstract In attempting to address the problems about low solar light utilization and easy compounding of photo-generated electrons-hole of the commonly used single transition metal oxide photocatalysts, this paper uses MXene ( Ti 3 C 2 ) with excellent wave absorption performance as a co-catalyst to prepare TiO 2 Ti 3 C 2 /Cd x Zn 1-x S (MT-xC) photocatalysts in one step with the aid of microwave hydrothermal method by synergistic in-situ compounding and construction of semiconductor heterojunction. The effects of microwave hydrothermal process and CdZnS loading on morphology, phase composition and photocatalytic performance of composite catalyst were explored by various characterization methods. The results showed that when the microwave hydrothermal temperature was 140°C, the reaction time was 0.5 h and the CdZnS loading was 30 wt.%, the composite photocatalyst MT-3C showed good photocatalytic performance, with a degradation efficiency of 93.66% for 20 mg/L rhodamine B (RhB) solution within 90 min. The main reason for this significant improvement is that TiO 2 and Cd x Zn 1-S have matching band structure, which accelerate the spatial separation of photogenerated carries in this photocatalytic reaction through the construction of Z-type heterojunction. Moreover, the efficient and homogeneous heating of microwaves can provide a large amount of energy for the oxidation of Ti 3 C 2 within a short time. The semiconductor heterojunction composed of Ti 3 C 2 , TiO 2 and Cd x Zn 1-x S synergistically interacts with microwaves to further improve the catalytic activity of the composite photocatalyst. This study provides an important reference role for the subsequent construction of Ti 3 C 2 -based composite photocatalytic materials using the wave-absorbing property of Ti 3 C 2
  • Access State: Open Access