iIntegrated graphite phase carbon nitride photocatalyst doped with m-aminophenol as well as preparation method and application of integrated graphite phase carbon nitride photocatalyst
Pending Publication Date: 2021-11-23
JILIN NORMAL UNIV
View PDF2 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to overcome the technical defects existing in the prior art, and to provide a simple and low-cost method for preparing a spacer with high utilization rate of visible light, more exposure of active sites, and significantly improved separation and migration efficiency of photogenerated electron-hole pairs. An integrated CN photocatalyst doped with aminophenol can solve the problems of low utilization rate of visible light, less exposure of active sites, high recombination rate of photogenerated electron-hole pairs and slow carrier mobility of single CN photocatalyst.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0038] Mix 0.01 g of m-aminophenol and 20 g of urea in a crucible evenly, heat at 150° C. to obtain a clear solution, and then cool to room temperature. The above m-aminophenol-urea blend mixture was placed in a muffle furnace at 5°C min -1 The heating rate was heated to 600°C and continued for 3h. Naturally cooled to room temperature, the product was ground to obtain CN 10 .
Embodiment 2
[0040] Mix 0.03g of m-aminophenol and 20g of urea in a crucible evenly, heat at 150°C to obtain a clear solution, and then cool to room temperature. The above m-aminophenol-urea blend mixture was placed in a muffle furnace at 5°C min -1 The heating rate was heated to 600°C and continued for 3h. Naturally cooled to room temperature, the product was ground to obtain CN 30 .
Embodiment 3
[0042] Mix 0.05g of m-aminophenol and 20g of urea in a crucible evenly, heat at 150°C to obtain a clear solution, and then cool to room temperature. The above m-aminophenol-urea blend mixture was placed in a muffle furnace at 5°C min -1 The heating rate was heated to 600°C and continued for 3h. Naturally cooled to room temperature, the product was ground to obtain CN 50 .
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides an integrated graphite phase carbon nitride photocatalyst doped with m-aminophenol as well as a preparation method and application of the integrated graphite phase carbon nitride photocatalyst, and belongs to the technical field of photocatalyst preparation. Urea and m-aminophenol are taken as precursors, and the precursors are subjected to thermal polymerization through a simple one-step calcination method to obtain porous nanosheet-shaped graphite phase carbon nitride; by doping m-aminophenol, on one hand, graphite-phase carbon nitride is of a porous nanosheet structure, and more catalytic active sites are exposed; on the other hand, the utilization rate of visible light is increased, separation of electron hole pairs is promoted, the migration efficiency of photon-generated carriers is improved, and therefore the photocatalytic degradation and hydrogen evolution performance is remarkably improved. The raw materials involved in the invention are cheap, the synthesis operation is simple, safe and green, and the potential in the aspect of large-scale actual production and preparation of integrated graphite phase carbon nitride with excellent photocatalytic performance is huge.
Description
technical field [0001] The invention belongs to the technical field of photocatalyst preparation, and in particular relates to an integrated graphite-phase carbon nitride photocatalyst doped with m-aminophenol, a preparation method and an application thereof. Background technique [0002] As an all-organic semiconductor photocatalyst, graphitic carbon nitride (CN) has the advantages of suitable band gap, adjustable band gap, stable physical and chemical properties, and cheap raw materials. It has attracted wide attention in the fields of energy production and storage, environmental restoration and governance, etc. . However, a single CN has defects such as narrow light absorption range, less exposed active sites, high recombination rate of photogenerated electron-hole pairs, and slow carrier mobility, which severely limit the application of CN in the field of photocatalysis. Although there are a large number of methods to modify the CN structure, including the construction ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/24B01J31/02B01J37/08C02F1/30C01B3/04C02F101/30C02F101/34C02F101/38
CPCB01J27/24B01J31/0202B01J37/08B01J37/0036C02F1/30C01B3/042C02F2101/30C02F2101/34C02F2101/38C02F2305/10B01J35/39Y02E60/36
Inventor 周天瑜车广波刘春波姜维朱恩伟刘博
Owner JILIN NORMAL UNIV