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

Simple preparation method of high-dispersion nickel oxide cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen

A photocatalyst, high dispersion technology, applied in physical/chemical process catalysts, chemical instruments and methods, hydrogen production, etc., can solve special problems, complex methods, etc., to achieve increased hydrogen production, simple preparation process, excellent photocatalysis performance effect

Active Publication Date: 2017-05-24
SHAANXI NORMAL UNIV
View PDF4 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the methods for preparing single-atom, cluster catalysts or co-catalysts are relatively complicated and special

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
  • Simple preparation method of high-dispersion nickel oxide cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen
  • Simple preparation method of high-dispersion nickel oxide cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen
  • Simple preparation method of high-dispersion nickel oxide cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] According to the loading amount of NiO in the photocatalyst is 9%, 1.0g g-C 3 N 4 , 0.288g of nickel chloride hexahydrate, 70.0g of deionized water were added to the beaker, then ammonia water was added to adjust the pH value to 11, stirred at room temperature for 8 hours and then allowed to stand for 6 hours, then all the water was evaporated to dryness at 100°C, and then Calcined at 300°C for 3 hours to obtain highly dispersed nickel-oxygen cluster-modified two-dimensional carbon nitride photocatalyst.

Embodiment 2～7

[0032] According to the method of Example 1, two-dimensional carbon nitride photocatalysts modified with highly dispersed nickel-oxygen clusters with NiO loadings of 0.5%, 1%, 3%, 5%, 7%, and 10% were sequentially prepared.

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 simple preparation method of a high-dispersion nickel oxide cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen. The simple preparation method comprises the following steps: adjusting the pH (Potential of Hydrogen) value of a mixture of g-C3N4, nickel chloride hexahydrate and de-ionized water with ammonia water by adopting a simple impregnation-precipitation method; stirring and standing at room temperature; evaporating to remove all the water at 100 DEG C to 150 DEG C; calcining to obtain the high-dispersion nickel oxide cluster modified two-dimensional carbon nitride photocatalyst. The preparation process of the photocatalyst is simple; the prepared photocatalyst has a large specific surface area and NiO is loaded on the surface of the two-dimensional g-C3N4 in a high-dispersion nickel oxide cluster form, so that the quantity of reaction active sites of the photocatalyst is increased and the visible light response degree is improved. Compared with a granular NiO / g-C3N4 photocatalyst, the photocatalyst disclosed by the invention has a more excellent photocatalytic property in a process of catalyzing the decomposition of the water to produce the hydrogen; under the condition that NiO loading amounts are the same, the yield of the hydrogen is improved by 7 to 8 times.

Description

technical field [0001] The invention belongs to the technical field of photocatalytic decomposition of water to produce hydrogen, and in particular relates to a simple preparation method of a highly dispersed nickel-oxygen cluster modified carbon nitride photocatalyst for decomposing water to produce hydrogen. Background technique [0002] Photocatalytic water splitting hydrogen production based on sunlight as the driving force and semiconductor materials is considered to be the most promising solar energy conversion technology and the technical basis for the realization of the future hydrogen economy, which has always attracted great interest from scientists around the world. In the past 40 years, a lot of research and exploration have been carried out around improving the utilization rate of solar energy and photon conversion efficiency of catalysts at home and abroad, and gratifying research progress has been made. At present, thousands of inorganic semiconductor materials...

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
Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/24C01B3/04
CPCC01B3/042B01J27/24C01B2203/1058C01B2203/1082B01J35/39Y02E60/36
Inventor 顾泉刘建妮高子伟张伟强
Owner SHAANXI 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