Fe-doped visible-light-driven photocatalyst of covalent triazine organic polymer and preparation and application of Fe-doped visible-light-driven photocatalyst

A covalent triazine and polymer technology, applied in the field of photocatalysis, can solve the problems of narrow photoresponse range of CTFs and high recombination rate of photogenerated carriers, achieve high practical value and application prospects, simple and convenient preparation method, and production cost. low effect

Inactive Publication Date: 2016-02-10
FUZHOU UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Studies have shown that CTFs can use visible light (λ≥420nm) to decompose water to generate hydrogen and degrade organic dyes in water. However, CTFs have problems such as narrow photoresponse range and high recombination rate of photogenerated carriers, which limit the application of CTFs in the field of photocatalysis.

Method used

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  • Fe-doped visible-light-driven photocatalyst of covalent triazine organic polymer and preparation and application of Fe-doped visible-light-driven photocatalyst
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  • Fe-doped visible-light-driven photocatalyst of covalent triazine organic polymer and preparation and application of Fe-doped visible-light-driven photocatalyst

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Experimental program
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Effect test

Embodiment 1

[0027] Weigh 0.01g of ferric chloride and 0.2g of covalent triazine organic polymer and mix them in 20mL of distilled water. After ultrasonication for 30min, heat and stir in a water bath at 80°C until the water is evaporated to dryness. Collect the solid and place it in a muffle furnace. Calcined at 250°C for 1 hour in an air atmosphere to obtain a solid sample; grind the obtained solid sample thoroughly, reflux it with methanol at 90°C for 12 hours, collect the solid and dry it at 60°C for 12 hours to obtain a 5% iron-doped covalent triazine Organic polymer visible light catalyst, denoted as Fe 5 / CTF.

Embodiment 2

[0029] Weigh 0.02g of ferric chloride and 0.2g of covalent triazine organic polymer and mix them in 20mL of distilled water. After ultrasonication for 30min, heat and stir in a water bath at 80°C until the water is evaporated to dryness. Collect the solid and place it in a muffle furnace. Calcined at 250°C for 1 hour in an air atmosphere to obtain a solid sample; grind the obtained solid sample thoroughly, reflux it with methanol at 90°C for 12 hours, collect the solid and dry it at 60°C for 12 hours to obtain 10% iron-doped covalent triazine Organic polymer visible light catalyst, denoted as Fe 10 / CTF.

Embodiment 3

[0031] Weigh 0.03g of ferric chloride and 0.2g of covalent triazine organic polymer and mix them in 20mL of distilled water. After ultrasonication for 30min, heat and stir in a water bath at 80°C until the water evaporates to dryness. Collect the solid and place it in a muffle furnace. Calcined at 250°C for 1 hour in an air atmosphere to obtain a solid sample; grind the obtained solid sample thoroughly, reflux it with methanol at 90°C for 12 hours, collect the solid and dry it at 60°C for 12 hours to obtain a 15% iron-doped covalent triazine Organic polymer visible light catalyst, denoted as Fe 15 / CTF.

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Abstract

The invention discloses a Fe-doped visible-light-driven photocatalyst of a covalent triazine organic polymer and a preparation and an application of the Fe-doped visible-light-driven photocatalyst. Iron is introduced into the covalent triazine organic polymer by a solid-phase reaction sintering method; and the transition metal ion-doped visible-light-driven photocatalyst is synthesized. The catalyst has visible-light response; hydrogen is produced by photolysis of water; the adopted solid-phase reaction sintering method is simple, convenient and fast; the production cost is relatively low; and the Fe-doped visible-light-driven photocatalyst conforms to the actual production requirements, and has a relatively large application prospect.

Description

technical field [0001] The invention belongs to the technical field of photocatalysis, and in particular relates to an iron-doped covalent triazine organic polymer visible light catalyst and a preparation method and application thereof. Background technique [0002] Human beings are facing severe environmental and energy problems, and urgently need to find solutions. Therefore, the development of high-efficiency, environmental protection, low energy consumption environmental pollution control technology and the development and utilization of new energy technology have always been the goals pursued by researchers. Semiconductor photocatalysis technology is an advanced oxidation technology. Because it can use various sources of light including sunlight at room temperature without secondary pollution, it has received widespread attention and is considered to be an effective way to deal with environmental problems. Green technologies with important application prospects in fiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J31/28C01B3/04
CPCY02E60/36
Inventor 毕进红张鹏李留义梁诗景刘明华
Owner FUZHOU UNIV
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