Browsing by Author "Chen, Yufen"

Now showing items 1-8 of 8

    • A direct Z-scheme for the photocatalytic hydrogen production from a water ethanol mixture on CoTiO3/TiO2 heterostructures 

      Xing, Congcong; Liu, Yongpeng; Zhang, Yu; Wang, Xiang; Guardia, Pablo; Yao, Liang; Han, Xu; Zhang, Ting; Arbiol Cobos, Jordi; Soler Turu, Lluís; Chen, Yufen; Sivula, Kevin; Guijarro, Néstor; Cabot, Andreu; Llorca Piqué, Jordi (2021-01-01)
      Article
      Open Access
      Photocatalytic H2 evolution from ethanol dehydrogenation is a convenient strategy to store solar energy in a highly valuable fuel with potential zero net CO2 balance. Herein, we report on the synthesis of CoTiO3/TiO2 ...

    • A straightforward method to prepare supported Au clusters by mechanochemistry and its application in photocatalysis 

      Chen, Yufen; Soler Turu, Lluís; Xie, Chenyang; Vendrell Villafruela, Xavier; Serafin, Jaroslaw; Crespo Artiaga, Daniel; Llorca Piqué, Jordi (Elsevier, 2020-12)
      Article
      Open Access
      Reducing the metal particle size on semiconductor-based materials from a few nanometers down to well-dispersed clusters or single atoms has been demonstrated to be an effective strategy to enhance the photocatalytic ...

    • Enhanced photoproduction of hydrogen on Pd/TiO2 prepared by mechanochemistry 

      Chen, Yufen; Soler Turu, Lluís; Armengol Profitós, Marina; Xie, Chenyang; Crespo Artiaga, Daniel; Llorca Piqué, Jordi (Elsevier, 2022-07-15)
      Article
      Open Access
      Supported metal clusters are considered as promising cocatalysts in heterogeneous photocatalysis due to their singular geometric structures and unique reactivity. Nevertheless, to explore efficient synthetic routes that ...

    • Facet-engineered TiO2 drives photocatalytic activity and stability of supported noble metal clusters during H2 evolution 

      Chen, Yufen; Soler Turu, Lluís; Cazorla Silva, Claudio; Oliveras Solà, Jana; Gómez Bastus, Neus; Puntes, Víctor; Llorca Piqué, Jordi (2023-10-03)
      Article
      Open Access
      Metal clusters supported on TiO2 are widely used in many photocatalytic applications, including pollution control and production of solar fuels. Besides high photoactivity, stability during the photoreaction is another ...

    • Mechanochemical preparation of TiO2-based photocatalysts for hydrogen production 

      Chen, Yufen (Universitat Politècnica de Catalunya, 2023-05-19)
      Doctoral thesis
      Restricted access - confidentiality agreement
      (English) Metal clusters and single atoms have been considered as effective cocatalysts for the enhancement of photocatalytic hydrogen production dueto their singular geometric structures, electronic properties and unique ...

    • Mechanochemically activated Au/CeO2 for enhanced CO oxidation and COPrOx reaction 

      Ge, Shasha; Chen, Yufen; Guo, Yun; Llorca Piqué, Jordi; Soler Turu, Lluís (Elsevier, 2023-08-01)
      Article
      Open Access
      COPrOx reaction is one of the particularly appealing and cost-effective solutions for the selective oxidation of CO in hydrogen-rich gas streams to meet the stringent requirement of the current electrocatalysts employed ...

    • Operando X-ray absorption spectroscopy investigation of photocatalytic hydrogen evolution over ultradispersed Pt/TiO2 catalysts 

      Piccolo, Laurent; Afanasiev, Pavel; Morfin, Franck; Len, Thomas; Dessal, Caroline; Rousset, Jean Luc; Aouine, Mimoun; Bourgain, Frédéric; Aguilar Tapia, Antonio; Proux, Olivier; Chen, Yufen; Soler Turu, Lluís; Llorca Piqué, Jordi (2020-11-06)
      Article
      Open Access
      Photocatalytic hydrogen generation from water or oxygenates is foreseen as a sustainable energy production route. In spite of recent performance achievements through Pt particle downsizing, knowledge of the prototypical ...

    • Preformed Pt nanoparticles supported on nanoshaped CeO2 for total propane oxidation 

      Ge, Shasha; Chen, Yufen; Tang, Xuan; Shen, Yali; Lou, Yang; Wang, Li; Guo, Yun; Llorca Piqué, Jordi (American Chemical Society, 2023-08-15)
      Article
      Open Access
      Pt-based catalysts have been widely used for the removal of short-chain volatile organic compounds (VOCs), such as propane. In this study, we synthesized Pt nanoparticles with a size of ca. 2.4 nm and loaded them on various ...