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| Content Provider | IET Digital Library |
|---|---|
| Author | Yu, Qingbo Li, Xianhua Zhang, Mingxu |
| Abstract | Porous graphitic carbon nitride (g-C3N4) has been synthesised by means of one-step calcinations of dicyandiamide for efficient photocatalysis under visible light irradiation (λ > 400 nm). Scanning electron microscopy images demonstrate that the as-prepared photocatalyst calcined at 650°C is a porous structure. The UV–vis diffuse reflectance spectra show that the optical absorption for the porous g-C3N4 is more intensive than for common g-C3N4 calcined at 550°C. The enhanced generation of the photocurrent under visible light irradiation (λ > 400 nm) is observed by using the porous g-C3N4. The results of the photocatalytic experiments under visible light irradiation reveal that the photocatalytic degradation of methylene blue using the porous g-C3N4 is higher than common g-C3N4, showing the advantage of the structure for efficient photocatalysis. The presence of the calcinations temperature is presumed to play a key role in adjusting the textural properties. |
| Starting Page | 1 |
| Ending Page | 5 |
| Page Count | 5 |
| Volume Number | 9 |
| e-ISSN | 17500443 |
| Issue Number | Issue 1, Jan (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/9/1 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2013.0651 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2014-01-13 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Absorption Coefficient C3N4 Calcination Calcination Temperature Carbon Compounds Catalysis Cold Working, Work Hardening; Post-deformation Annealing, Recovery And Recrystallisation; Textures Condensed Matter Dicyandiamide Direct Polymerisation Heat And Thermomechanical Treatments Heterogeneous Catalysis at SurFace And Other Surface Reactions Methylene Blue One-step Fabrication Optical Absorption Optical Constants And Parameter Photocatalysis Photocatalytic Activity Photocatalytic Degradation Photochemistry Photoconduction And Photovoltaic Effect Photoconductivity Photocurrent Generation Photodielectric Effect Photoelectron Spectra of SemiConductor And Insulator Photoemission Photolysis And Photodissociation by IR Polymer Reactions And Polymerization Polymerisation Porous G-C3N4 Porous Graphitic Carbon Nitride Porous Material Powder Technique, Compaction And Sintering Reflectivity Scanning Electron Microscopy Structure of Powder Temperature 550 DegC Temperature 650 DegC Textural Property Texture Ultraviolet Spectra UV And Visible Radiation UV-vis Diffuse Reflectance Spectra Visible And Ultraviolet Spectra of Other Nonmetals Visible Light Irradiation Visible Spectra |
| Content Type | Text |
| Resource Type | Article |
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