Negative oxygen ion (NOI) production by enhanced photocatalytic TiO2/GO composites anchored on wooden substrates
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Xiaoshuai Han
Abstract
Titanium dioxide (TiO2)/graphene oxide (GO)-treated wood was fabricated through a one-step hydrothermal-vacuum dipping technique, in which silica sol serves as a dispersant and linker owing to its good stability and high surface area, while the visible light activates TiO2/GO and negative oxygen ions (NOI) arise. This approach exhibits a super dye adsorption capacity and enhanced photocatalytic efficiency. In focus was the effect of the three-dimensional (3D) GO dopant on the NOI production, which was very high in this system. Namely, the concentration of NOI is up to 1710 ions cm−3 after 60 min visible light irradiation. Moreover, recycling experiments show that the properties of a TiO2/GO-wood system are stable. The TiO2/GO-treated wood is a healthy, environmentally friendly material which is promising for indoor decoration.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was sponsored by Special Fund for Beijing Common Construction Project and Beijing Forestry University, Grant No. 2016HXKFCLXY001.
Employment or leadership: None declared.
Honorarium: None declared.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original Articles
- Rapid identification of wood species by near-infrared spatially resolved spectroscopy (NIR-SRS) based on hyperspectral imaging (HSI)
- Comparison of various multivariate models to estimate structural properties by means of non-destructive techniques (NDTs) in Pinus sylvestris L. timber
- Influence of length on acoustic time-of-flight (ToF) measurement in built-in structures of Norway spruce timber
- Characterization of Pinus nigra var. laricio [Maire] bark extracts at the analytical and pilot scale
- Determination of the absolute molar mass of acetylated eucalyptus kraft lignin by two types of size-exclusion chromatography combined with multi-angle laser light-scattering detectors
- Moisture-induced deformation in the neck of a classical guitar
- Prediction of physical and mechanical properties of thermally modified wood based on color change evaluated by means of “group method of data handling” (GMDH) neural network
- A self-cleaning surface based on heat treatment of g-C3N4-coated wood prepared by a rapid and eco-friendly method
- Mechanical, thermo-mechanical and water uptake performance of wood flour filled polyurethane elastomer eco-composites: influence of surface treatment of wood flour
- Investigation of a new formaldehyde-free adhesive consisting of soybean flour and Kymene® 736 for interior plywood
- Negative oxygen ion (NOI) production by enhanced photocatalytic TiO2/GO composites anchored on wooden substrates
Articles in the same Issue
- Frontmatter
- Original Articles
- Rapid identification of wood species by near-infrared spatially resolved spectroscopy (NIR-SRS) based on hyperspectral imaging (HSI)
- Comparison of various multivariate models to estimate structural properties by means of non-destructive techniques (NDTs) in Pinus sylvestris L. timber
- Influence of length on acoustic time-of-flight (ToF) measurement in built-in structures of Norway spruce timber
- Characterization of Pinus nigra var. laricio [Maire] bark extracts at the analytical and pilot scale
- Determination of the absolute molar mass of acetylated eucalyptus kraft lignin by two types of size-exclusion chromatography combined with multi-angle laser light-scattering detectors
- Moisture-induced deformation in the neck of a classical guitar
- Prediction of physical and mechanical properties of thermally modified wood based on color change evaluated by means of “group method of data handling” (GMDH) neural network
- A self-cleaning surface based on heat treatment of g-C3N4-coated wood prepared by a rapid and eco-friendly method
- Mechanical, thermo-mechanical and water uptake performance of wood flour filled polyurethane elastomer eco-composites: influence of surface treatment of wood flour
- Investigation of a new formaldehyde-free adhesive consisting of soybean flour and Kymene® 736 for interior plywood
- Negative oxygen ion (NOI) production by enhanced photocatalytic TiO2/GO composites anchored on wooden substrates
