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| Content Provider | IET Digital Library |
|---|---|
| Author | Kong, Xia Hu, Yawei Pan, Wei |
| Abstract | Well-aligned ZnO nanotubular arrays (NTs) and nano rod-like arrays (NRs) were controllably fabricated on glass substrates through a facile hydrothermal method, and the prepared ZnO nanoarrays could be easily retrieved in the photodegradation of organic pollutants because ZnO is “growing” on the substrates. The morphology of ZnO nanoarrays could be governed by the cooling process and reaction time during the preparation. ZnO NTs tend to be formed by natural cooling, while ZnO NRs are apt to be constructed by sudden cooling. Furthermore, with the proceeding of the reaction, the ZnO nanoarrays display headless-pyramid configuration gradually. The ZnO nanoarrays prepared at 90 ºC for 4 h show excellent photocatalytic activity. In the presence of the prepared ZnO NTs and NRs, the degradation rate of methylene blue (MB) is up to 96.8% and 94.1% after 1 h UV irradiation, respectively. The better photocatalytic performance of ZnO NTs is ascribed to the highly ordered array and large specific surface area which could promote the transfer of photo-generated electrons and restrain the recombination of electron-hole pairs. The well-aligned ZnO nanoarrays in this study could be fabricated on different substrates. Moreover, they could potentially serve as excellent photocatalysts in waste water treatment. |
| Starting Page | 461 |
| Ending Page | 465 |
| Page Count | 5 |
| Volume Number | 12 |
| e-ISSN | 17500443 |
| Issue Number | Issue 7, Jul (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/12/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2016.0819 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2017-07-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Catalysis Contamination Remediation Cooling Crystal Growth Crystal Growth from Solution Dyes Electron-hole Pair Recombination Environmental Science Technology Facile Hydrothermal Method Heterogeneous Catalysis at SurFace And Other Surface Reactions Highly-ordered NanoArray II-VI And III-V SemiConductor II-VI SemiConductor Low-Dimensional Structure: Growth, Structure And Nonelectronic Property Methylene Blue Morphology Nanofabrication Nanometre-Scale Semiconductor Fabrication Technology NanoParticle Nanorod-like Array Nanorods Nanotube And Nanostructured Material Natural Cooling One-dimensional Nanotubular Array Organic Pollutants Photocatalytic Activity Photocatalytic Degradation System Photochemistry Photogenerated Electrons Photolysis And Photodissociation by IR Semiconductor Growth Semiconductor Nanotube Solid Surface Structure Specific Surface Area Structure of Solid Clusters Surface Modulator/Detector Array Temperature 90 DegC Time 1 H Time 4 H UV And Visible Radiation UV Irradiation Wastewater Treatment Wide Band Gap SemiConductor Zinc Compound Zno |
| Content Type | Text |
| Resource Type | Article |
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