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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhu, Jiayu Wang, Ze Li, Yafeng Wang, Yuanrui |
| Abstract | In this work, NPC (nanoporous carbon) is purposely employed to accommodate the semiconductor CdSe QDs (quantum dots) in the absence of any capping agent to facilitate the visible-light photocatalyst CdSe QDs@NPC composite. CdSe QDs@NPC composite has been achieved by the facile method of the incipient-wetness deposition, and furthermore characterised by powder X-ray diffraction, inductively coupled plasma atomic emission spectroscopy, X-ray photoelectron spectroscopy, Brunauer–Emmett–Teller, transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). The results of TEM and HRTEM show that CdSe QDs are implanted into NPC and bound to several nanometres. Both X-ray diffraction and HRTEM indicate that the as-synthesised CdSe QDs belong to the cubic phase. The photocatalytic performance of CdSe QDs@NPC composite has been evaluated by degrading the RhB under visible-light irradiation. NPC as electron acceptor and transport channel can enhance the synergism of CdSe and NPC by improving the electron–hole separation. Furthermore, the photocatalytic mechanism exhibits that h+ and O2 −• species are the decisive, active species in the degradation process of RhB. |
| Starting Page | 761 |
| Ending Page | 764 |
| Page Count | 4 |
| Volume Number | 14 |
| e-ISSN | 17500443 |
| Issue Number | Issue 7, Jun (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/7 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5682 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2019-06-26 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Atomic Emission Spectroscopy Cadmium Compound Catalysis CdSe-C Composite Crystal Growth from Solution Electromagnetic Radiation Spectrometry (chemical Analysis) Electron-hole Separation Heterogeneous Catalysis at SurFace And Other Surface Reactions High-resolution Transmission Electron Microscopy HRTEM II-VI SemiConductor Inductively Coupled Plasma Atomic Emission Spectroscopy Nanocomposite Nanofabrication Nanoparticle Nanoporous Carbon Nanoporous Material Nanotube And Nanostructured Material Photochemistry Photoluminescence Photolysis And Photodissociation by IR Scanning Electron Microscopy Semiconductor Quantum Dots Structure of Solid Clusters Transmission Electron Microscopy UV And Visible Radiation Visible-light Irradiation Visible-light Photocatalyst Visible-light Photocatalytic Activities Wide Band Gap SemiConductor X-Ray Diffraction X-Ray Photoelectron Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
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