Interfacial recombination losses of photogenerated

The gap

Evidence profile

Sourced from the abstract and stated research gap and future-work section and stated challenges of the source papers, classified as general, drawn from work published between 2024 and 2026, spanning 7 journals. Those papers have been cited 21 times in total.

Supporting evidence — 7 representative gaps

• Influence of Hole Transport and Thermal Reactions in Photo-Driven Water Oxidation Kinetics on Crystalline TiO 2 (2025) · ACS Catalysis · cited 14× · doi

  High Resolution Image Download MS PowerPoint Slide The requirement that photogenerated holes accumulate to drive the rate-limiting step is thought to cause slow water oxidation by TiO 2 to form O 2; however, detailed kinetic studies that directly establish the connection between photoabsorption and surface reactions have not been reported.

  generalabstract
  Keywords: high resolution image download powerpoint slide requirement photogenerated holes accumulate drive rate limiting step thought
• Ultraviolet Photoelectron Spectroscopy Study of the Adsorption and Electronic Structure at the CO2/TiO2(110) Interface (2024) · The Journal of Physical Chemistry C · cited 6× · doi

  Despite the importance of CO 2 /TiO 2 model systems in investigating the mechanism of photocatalytic reduction of CO 2, the adsorption configuration of 5-fold coordinated Ti (Ti 5c ) bound CO 2 on TiO 2 is controversial and the experimental interfacial electronic structure is lacking.

  generalabstract
  Keywords: despite importance model systems investigating mechanism photocatalytic reduction adsorption configuration fold coordinated bound controversial experimental
• Recent advances in photocatalytic degradation of organic dye wastewater using titanium dioxide: a review (2026) · Chemical Papers · doi

  Conventional treatment methods often prove inadequate, exhibiting limitations in efficiency and cost effectiveness. There is a need for further research on scaling TiO2-based photocatalysis toward practical water treatment applications. The economic feasibility and environmental impact of this technology need to be evaluated.

  generalstated research gapevidence 5/5
  Keywords: conventional treatment methods often prove inadequate exhibiting limitations
• Synergistic Z-Scheme Charge Separation and PMS Activation in Engineered 2D CoTiO3/TiO2 Composites for Superior Photocatalysis (2026) · Water, Air, & Soil Pollution · cited 1× · doi

  Further research is needed to explore the potential applications of 2D CoTiO3/TiO2 heterojunctions in wastewater treatment and environmental remediation. The development of new strategies for designing 2D heterojunction photocatalysts with efficient PMS activation is an area of ongoing research.

  generalfuture-work sectionevidence 5/5
  Keywords: further research needed explore potential applications cotio3 tio2
• Visible-light-driven photocatalytic reduction of Cr(VI) over EDTA–TiO2 through surface complexation and ligand-to-metal charge transfer (2026) · Scientific Reports · doi

  Interfacial recombination losses of photogenerated electron-hole pairs. Limited visible-light absorption of TiO2 nanoparticles. Electrostatic repulsion and reduced Cr(VI) adsorption at neutral to mildly acidic conditions.

  generalstated challengesevidence 5/5
  Keywords: interfacial recombination losses photogenerated electron-hole pairs limited visible-light
• Ag-TiO2 photocatalyst for the degradation of isoprinosine: influence of silver modification on solar photocatalytic activity (2026) · Environmental Science and Pollution Research · doi

  There is a lack of understanding of the effects of silver incorporation on the photocatalytic activity of TiO2 for the degradation of antiviral pharmaceuticals. The interactions between the catalyst and the pollutant are not well understood, and further research is needed to develop effective photocatalysts.

  generalstated research gapevidence 5/5
  Keywords: there lack understanding effects silver incorporation photocatalytic activity
• hydrothermal synthesis and visible-light photocatalytic activity of Bi₂WO₆, Bi₂MoO₆, and mixed Bi₂W₁₋ₓMoₓO₆ oxides for efficient methylene blue degradation (2026) · International Journal For Multidisciplinary Research · doi

  The development of efficient visible-light photocatalysts for dye degradation is a current research gap. The exploration of alternative materials to TiO₂ is necessary for sustainable and environmentally friendly technologies.

  generalstated research gapevidence 5/5
  Keywords: development efficient visible-light photocatalysts dye degradation current research

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