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Copper-doped ultra-thin tio 2 Application of nanosheet-supported cobaloxime complexes in photocatalytic water splitting for hydrogen production

A copper-doped, nanosheet technology, used in organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, hydrogen production, etc., can solve the limitations of hydrogen energy promotion and application, high consumption, hydrogen energy The problem of high social value is to achieve good photocatalytic activity and high efficiency in catalyzing water splitting to produce hydrogen.

Active Publication Date: 2022-06-14
LIAONING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional hydrogen production method needs to consume a huge amount of conventional energy, making hydrogen energy too expensive, which greatly limits the promotion and application of hydrogen energy

Method used

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  • Copper-doped ultra-thin tio <sub>2</sub> Application of nanosheet-supported cobaloxime complexes in photocatalytic water splitting for hydrogen production
  • Copper-doped ultra-thin tio <sub>2</sub> Application of nanosheet-supported cobaloxime complexes in photocatalytic water splitting for hydrogen production
  • Copper-doped ultra-thin tio <sub>2</sub> Application of nanosheet-supported cobaloxime complexes in photocatalytic water splitting for hydrogen production

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Embodiment 1

[0018] Example 1 copper doped ultra-thin TiO 2 Application of photocatalytic water decomposition of nanosheet-supported cobalt oxime complexes to hydrogen production

[0019] (1) Copper doped ultra-thin TiO 2 Nanosheets supporting cobalt oxime complexes (Cu-TiO 2 -Co) preparation

[0020] 1. Ultra-thin TiO 2 Preparation of nanosheets

[0021] Add 10 mL of tetrabutyl titanate, 1.2 mL HF to 40 mL of absolute ethanol, stir for 30 min, transfer to a hydrothermal kettle, heat at 180 °C for 2 h, centrifuge, the solids are repeatedly washed with distilled water, and finally, dry at 60 °C in vacuo for 24 h.

[0022] 2. Copper doped ultra-thin TiO 2 Nanosheets (Cu-TiO 2 ) of preparation

[0023] Add 10 mL of tetrabutyl titanate, 1.2 mL HF and 400 mg Cu (NO 3 ) 2 ·3 H 2 O, stir for 30 min, transfer to a hydrothermal kettle, heat at 180 °C for 2 h, centrifuge, solids washed repeatedly with distilled water. Finally, dry at 60 °C in vacuum for 24 h.

[0024] 3. Carboxyl-containing cobalt oxime...

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Abstract

The invention relates to copper-doped ultra-thin TiO 2 Application of nanosheet-supported cobaloxime complexes in photocatalytic water splitting for hydrogen production. The catalyst is ultrasonically dispersed in glycerin aqueous solution, after the reaction system is evacuated, oxygen is purged with nitrogen, and the catalytic reaction is carried out under sunlight; the catalyst is copper-doped ultra-thin TiO 2 Nanosheets supporting cobalt oxime complexes. The present invention combines carboxyl-containing cobaloxime complexes with copper-doped ultra-thin TiO 2 Nanosheet composite, a composite Cu‑TiO with good photocatalytic activity was prepared 2 -Co. The composite can efficiently catalyze water splitting to produce hydrogen under sunlight.

Description

Technical field [0001] The present invention belongs to the field of catalytic hydrogen production, in particular to a copper-doped ultra-thin TiO 2 Application of nanosheet-supported cobalt oxime complexes in catalytic water decomposition to hydrogen production. Background [0002] In the field of new energy, hydrogen energy has been generally considered to be the most ideal pollution-free green energy in the new century. Hydrogen is the most abundant element in nature, and it is widely found in water, fossil fuels and various types of carbohydrates. However, the traditional hydrogen production method requires the consumption of huge conventional energy, making hydrogen energy too expensive, which greatly limits the promotion and application of hydrogen energy. So scientists quickly thought of using inexhaustible and cheap solar energy as a primary energy source in the process of hydrogen energy formation, so that hydrogen energy development shows a broader prospect. The metal c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/38B01J31/22C01B3/04
CPCB01J31/38B01J31/1815C01B3/042B01J2540/12B01J2531/845B01J35/39Y02E60/36
Inventor 张薇潘蒙蒙孙颖郭欣陈霞宋溪明
Owner LIAONING UNIVERSITY