A kind of titanium phosphorus co-doped iron oxide photoelectrode and preparation method thereof

An iron oxide light and co-doping technology, applied in electrodes, electrolysis process, electrolysis components, etc., can solve the problem that the performance of photolysis water is not very high

Active Publication Date: 2018-06-26
SUZHOU UNIV
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Problems solved by technology

However, the element-doped α-Fe prepared by the above two methods 2 o 3 The photolytic water splitting performance is still not very high, therefore, the α-Fe 2 o 3 Research on photocatalytic water splitting is still in the stage of laboratory research

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  • A kind of titanium phosphorus co-doped iron oxide photoelectrode and preparation method thereof
  • A kind of titanium phosphorus co-doped iron oxide photoelectrode and preparation method thereof
  • A kind of titanium phosphorus co-doped iron oxide photoelectrode and preparation method thereof

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[0042] For the following defined terms, unless a different definition is given in the claims or elsewhere in this specification, these definitions shall apply. All numerical values, whether or not expressly indicated, are defined herein as modified by the term "about". The term "about" generally refers to a numerical range that one of ordinary skill in the art considers equivalent to the stated value to produce substantially the same property, function, result, etc. A numerical range indicated by a lower value and an upper value is defined to include all values ​​included within that numerical range and all subranges included within that numerical range. The term "nanoscale" is defined as having at least one dimension below 100 nanometers. All occurrences of "mM" are to be considered as abbreviations for "mmol / l". All occurrences of "M" are considered an abbreviation for "mol / l".

[0043] Fundamental information on the hydrothermal reactions of the present invention is avai...

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Abstract

The invention provides a titanium-phosphorus co-doped iron oxide photoelectrode and a preparation method thereof, belonging to the field of nanometer materials. The method comprises the following steps: cleaning the FTO conductive glass, uniformly dispersing the inorganic salt of titanium and phosphoric acid in deionized water to prepare a precursor solution; placing the cleaned FTO conductive glass into a reaction kettle filled with the precursor solution , react at 95-105°C for 3-5h to prepare titanium-phosphorus co-modified FTO conductive glass; put the titanium-phosphorus co-modified FTO conductive glass into the inorganic salt containing iron and the reaction of mineralizer aqueous solution In the kettle, react at 90-100°C for 3-5h; take out the titanium-phosphorus co-modified FTO conductive glass after the reaction, anneal at 500-600°C for 1-3h, and then anneal at 700-800°C for 10- 30min, the titanium phosphorus co-doped iron oxide photoelectrode was prepared. The scheme of the present invention can co-dope metals and nonmetals into α-Fe2O3, thereby greatly improving its photolytic water splitting performance.

Description

technical field [0001] The invention relates to the field of nanometer materials, in particular to a titanium-phosphorus co-doped iron oxide photoelectrode and a preparation method thereof. Background technique [0002] The energy crisis and environmental pollution are becoming key issues restricting the sustainable development of human society, and it is imperative to develop and utilize clean energy. Among the many clean energy sources, hydrogen energy is an energy source with great application potential. It has a high combustion value, and the products of hydrogen combustion will not cause any environmental pollution problems. It is an ideal energy source to replace traditional fossil energy sources. one. However, the current large-scale acquisition of hydrogen mainly comes from the reforming of coal, oil and natural gas. Although this hydrogen production method is mature, it is expensive and pollutes the environment. Therefore, it is imperative to seek green, economical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B1/04C25B11/06C03C17/23
CPCC03C17/23C25B1/04C25B1/55C25B11/077Y02E60/36
Inventor 钟俊吕小林
Owner SUZHOU UNIV
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