Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Bismuth oxycarbonate-bismuth oxychloride hetero-junction and synthesis method thereof

A synthesis method and technology of bismuth oxycarbonate, applied in the field of nanomaterials

Active Publication Date: 2019-07-30
ANHUI NORMAL UNIV
View PDF3 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Bismuth oxycarbonate-bismuth oxychloride (Bi 2 o 2 CO 3 -BiOCl) heterojunction, the morphology is either nanosheet-like structure, or a three-dimensional flower-like structure assembled by nanosheets, while the one-dimensional structure of Bi 2 o 2 CO 3 -BiOCl heterojunction has not been reported

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Bismuth oxycarbonate-bismuth oxychloride hetero-junction and synthesis method thereof
  • Bismuth oxycarbonate-bismuth oxychloride hetero-junction and synthesis method thereof
  • Bismuth oxycarbonate-bismuth oxychloride hetero-junction and synthesis method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0020] The invention provides a synthetic method of a bismuth oxycarbonate-bismuth oxychloride heterojunction, comprising the steps of bismuth bismuth oxychloride heterojunction 2 o 2 CO 3 Nanorods in CH 2 Cl 2 step in the heating reaction.

[0021] Through the above technical scheme, the present invention uses Bi 2 o 2 CO 3 The rod is the precursor and serves as the bismuth source during the reaction, and the organic reagent dichloromethane provides the Cl source, and dichloromethane also serves as the reaction solvent. By a simple solvothermal method, the synthesized one-dimensional Bi 2 o 2 CO 3 -BiOCl heterojunction nanorods, BiOCl nanosheets grown vertically on Bi 2 o 2 CO 3 On nanorods, this structurally novel Bi 2 o 2 CO 3 -BiOCl heterojunction has not been reported in the literature. More specifically, the heterojunction nanorods are vertically grown from BiOCl nanosheets on Bi 2 o 2 CO 3 formed on the nanorods, and the BiOCl nanosheets along the Bi ...

Embodiment 1

[0035] 51mg of Bi 2 o 2 CO 3 Nanorods were added to 5 mL of CH 2 Cl 2 After ultrasonic dispersion, magnetic stirring was carried out for 30 min. The above mixture was transferred to a reaction kettle and reacted at 160°C for 12h. After the reaction, it was naturally cooled to room temperature, the product was collected, washed several times with deionized water and absolute ethanol, and dried at 60 °C for 6 h.

[0036] After carrying out XRD analysis and SEM detection to the product in the present embodiment, the results are shown in figure 1 and figure 2 . Depend on figure 1 It can be seen that Bi is retrieved in the XRD pattern of the product 2 o 2 CO 3 and the standard peak of the BiOCl standard card, indicating that the sample is Bi 2 o 2 CO 3 -BiOCl heterojunction. figure 2 SEM image of the sample. Bi 2 o 2 CO 3 -BiOCl heterojunction as a one-dimensional hierarchical structure. BiOCl nanosheets grown vertically on Bi 2 o 2 CO 3 on the nanorods, an...

Embodiment 2

[0038] 51mg of Bi 2 o 2 CO 3 Nanorods were added to 10 mL of CH 2 Cl 2After ultrasonic dispersion, magnetic stirring was carried out for 30 min. The above mixture was transferred to a reaction kettle and reacted at 160°C for 12h. After the reaction, it was naturally cooled to room temperature, and the product was collected, washed several times with deionized water and absolute ethanol, and dried at 60°C for 6h.

[0039] After carrying out XRD analysis and SEM detection to the product in the present embodiment, the results are shown in figure 1 and image 3 . Depend on figure 1 It can be seen that Bi is retrieved in the XRD pattern of the product 2 o 2 CO 3 and the standard peak of the BiOCl standard card, indicating that the sample is Bi 2 o 2 CO 3 -BiOCl heterojunction. image 3 for Bi 2 o 2 CO 3 -SEM image of BiOCl heterojunction, Bi 2 o 2 CO 3 -BiOCl heterojunction as a one-dimensional hierarchical structure. BiOCl flakes grow uniformly and densely on...

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

No PUM Login to View More

Abstract

The invention discloses a bismuth oxycarbonate-bismuth oxychloride hetero-junction and a synthesis method thereof. The synthesis method comprises the step of carrying out a heating reaction on Bi2O2CO3 nanorods in CH2Cl2. The Bi2O2CO3-BiOCl hetero-junction nanorods of a one-dimensional structure are synthesized through a simple solvothermal method. BiOCl nanosheets vertically grow on the Bi2O2CO3nanorods, and the BiOCl nanosheets are distributed in a layer in the length direction of the Bi2O2CO3 nanorods, so that the interface bonding area is large, the interface quality is high, and transmission and separation of photo-induced electron-hole pairs on an interface are greatly improved. Moreover, the synthesis method is simple, easy to control and high in application value.

Description

technical field [0001] The invention relates to nanometer materials, in particular to a bismuth oxycarbonate-bismuth oxychloride heterojunction and a synthesis method thereof. Background technique [0002] Semiconductor photocatalysis has been extensively studied as a promising approach to address environmental treatment issues such as air purification and wastewater treatment. Bismuth oxycarbonate (Bi 2 o 2 CO 3 ) is similar to the bismuth oxyhalide (BiOX) structure, both of which are layered structures, along the C-axis direction [Bi 2 o 2 ] 2+ layers and CO 3 2- The layers are alternately cumulatively grown by van der Waals forces. Due to the similarity in structure, the heterojunction formed between the two components has a high interface quality, greatly improving the transmission and separation of photogenerated electron-hole pairs at the interface, and effectively improving the photocatalytic activity. [0003] Bismuth oxycarbonate-bismuth oxychloride (Bi 2 ...

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
no application Login to View More
IPC IPC(8): B01J27/232C02F1/30C02F101/30
CPCB01J27/232C02F1/30C02F2101/308B01J35/39
Inventor 彭银阚鹏飞毛艳鸽张倩
Owner ANHUI NORMAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com