CN101230479A - Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process - Google Patents

Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process Download PDF

Info

Publication number
CN101230479A
CN101230479A CNA2007101770761A CN200710177076A CN101230479A CN 101230479 A CN101230479 A CN 101230479A CN A2007101770761 A CNA2007101770761 A CN A2007101770761A CN 200710177076 A CN200710177076 A CN 200710177076A CN 101230479 A CN101230479 A CN 101230479A
Authority
CN
China
Prior art keywords
anodic oxidation
thin film
nano
foil sheet
titanium foil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2007101770761A
Other languages
Chinese (zh)
Other versions
CN100582315C (en
Inventor
王晓慧
杨阳
李龙土
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Original Assignee
Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University filed Critical Tsinghua University
Priority to CN200710177076A priority Critical patent/CN100582315C/en
Publication of CN101230479A publication Critical patent/CN101230479A/en
Application granted granted Critical
Publication of CN100582315C publication Critical patent/CN100582315C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The invention relates to a method of preparing a gradient TiO2 nanotube array film by utilizing the method of multi-step anodic oxidation. Firstly, phosphoric acid, hydrofluoric acid, ammonium fluoride, glycerin and deionized water are adopted as raw materials and prepared into a water-base electrolyte and an organic electrolyte respectively; secondly, the two electrode systems composed of a titanium foil sheet and a platinum sheet are placed into the water-base electrolyte and the organic electrolyte for a repeated anodic oxidation; and finally, the TiO2 nanotube array film material with a gradient structure is generated on the titanium foil sheet. The method is fit for manufacturing photoelectrochemical apparatuses of various types and has a far-ranging application prospect in the industrial fields of light energy utilization, green energy development, sewage disposal and so on.

Description

Utilize the multistep anodic oxidation legal system to be equipped with gradient TiO 2The method of nano-pipe array thin film
Technical field
The present invention relates to a kind of method for preparing nano-pipe array thin film, particularly relate to a kind of multistep anodic oxidation legal system of utilizing and be equipped with gradient TiO 2The method of nano-pipe array thin film.
Background technology
With other form nano-TiOs 2Material is compared, TiO 2Nano-pipe array thin film has characteristics such as pattern is regular, and specific surface area is big, is easy to reclaim, and reproducibility is good, so TiO 2Nano-pipe array thin film obviously is better than its corresponding material in the performance of aspects such as photochemical catalysis, photoelectrochemistry and Superhydrophilic, and especially at dye sensitization solar battery, fields such as photocatalyst and self-cleaning material have wide market application prospect.On the other hand, TiO 2The technology of preparing of nanotube has been passed through the development of for some time, has formed various preparation methods, comprises hydrothermal synthesis method, template synthesis method, electrochemical deposition method, sol-gel method and anonizing etc.Wherein anonizing is a kind of simple to operate, and is not harsh to equipment requirements, the preparation method commonly used that experiment condition control is easy.The TiO for preparing in this way 2It is big that nano-pipe array thin film has specific surface area, and nanotube is arranged regular, and the characteristics that caliber and pipe range are controlled are preparation TiO 2The Perfected process of nano-pipe array thin film.
Traditional anonizing is that " valve metal " substrate and counter electrode are constituted two electrode systems, generates nano-pipe array thin film under certain voltage, is a kind of anonizing of single step.This single step anonizing is by selecting special electrolytic solution and control anodic oxidation condition etc. to prepare the different nano-pipe array thin film of pattern.Disclose as Chinese patent CN 101016637A (open day on August 15th, 2007) and a kind ofly " to have prepared TiO with anonizing 2The method of nano-pipe array thin film ", this method is to be that main raw material is mixed with organic electrolyte with dimethyl formamide and hydrofluoric acid, grows TiO by anodic oxidation reactions on titanium foil sheet 2Nano-pipe array thin film.Using value with nano-pipe array thin film of good pattern will be far above general nano-pipe array thin film.
But traditional single step anonizing also exists following some deficiency: (1) pattern of synthesis of nano pipe array film in single electrolytic solution is subjected to the influence of the attribute of electrolytic solution own, and electrolytic solution does not change, and is difficult to synthesize gradient nano pipe array film; When (2) using the single step anodic oxidation, the electrochemical conditions of its application is a fixed, is difficult in to synthesize gradient nano pipe array film under the fixed electrochemical conditions.Therefore traditional single step anonizing also is not suitable for preparing gradient nano pipe array film.Up to the present on " valve metal " simple substance substrate, prepare nano-pipe array thin film and do not see bibliographical information with gradient characteristics.
Summary of the invention
The purpose of this invention is to provide a kind of multistep anodic oxidation legal system of utilizing and be equipped with gradient TiO 2The method of nano-pipe array thin film.
A kind of multistep anodic oxidation legal system of utilizing provided by the present invention is equipped with gradient TiO 2The method of nano-pipe array thin film may further comprise the steps:
(1) pre-treatment of titanium foil sheet
Adopting the high purity titanium paillon foil is substrate, uses 400 orders, 600 orders, 800 orders, 1000 orders and 1200 order SiC sand paperings respectively, uses the Al of 0.05 μ m again 2O 3Be polished to specular brightness, the titanium foil sheet after the polishing successively put into acetone and deionized water for ultrasonic cleaned 10 minutes, the oven dry back is standby;
(2) preparation of electrolytic solution
The preparation of water base electrolytic solution: phosphoric acid and deionization are hybridly prepared into the phosphoric acid solution that volumetric molar concentration is 0.1~10 mol, hydrofluoric acid is joined in the above-mentioned phosphoric acid solution then, be mixed with that to contain the hydrofluoric acid mass percent be 0.1~10% water base electrolytic solution
The preparation of organic electrolyte: Neutral ammonium fluoride is joined in the glycerine, be mixed with that to contain the Neutral ammonium fluoride mass percent be 0.1~10% organic electrolyte;
(3) the multistep anodic oxidation legal system is equipped with gradient TiO 2Nano-pipe array thin film
A. first step anodic oxidation: under room temperature condition, under 10~30 volts constant voltage, pretreated titanium foil sheet and platinized platinum are constituted two electrode systems put into and carry out anodic oxidation 0.5~5 hour in the water base electrolytic solution, with the washed with de-ionized water after drying of the titanium foil sheet after the anodic oxidation;
B. two-step anodic oxidization: the titanium foil sheet that steps A is obtained constitutes two electrode systems with platinized platinum once more and puts in the organic electrolyte, under 10~40 volts constant voltage, carry out anodic oxidation 1~30 hour, with the titanium foil sheet after the anodic oxidation dehydrated alcohol and washed with de-ionized water after drying;
C. multistep anodic oxidation: continue repeating step A and step B, obtain gradient TiO 2Nano-pipe array thin film.As shown in Figure 1.
The inventive method is compared with traditional single step anonizing, has following beneficial effect:
1. the multistep anodic oxidation method belongs to electrochemical reaction method, is characterized in less energy-consumption, can not produce the material that environment is had pollution in reaction process, is a kind of environment-friendly method;
2. carrying out multistep anodic oxidation reaction respectively in different electrolytes can prepare have the TiO for preparing separately concurrently in these electrolytic solution 2The characteristics of nano-pipe array thin film;
3. technology is easy, and is simple to operate, suitable for mass production;
4. utilize this method can prepare the gradient TiO that length of tube is long, caliber is big, arrangement is regular and specific surface area is big 2Nano-pipe array thin film.
Description of drawings
Fig. 1 is the TiO with gradient-structure 2Nano-pipe array thin film figure.
Embodiment
Embodiment one
1. titanium foil sheet is used 400 orders, 600 orders, 800 orders, 1000 orders and 1200 order SiC sand paperings respectively, used the Al of 0.05 μ m again 2O 3Be polished to specular brightness, the titanium foil sheet after the polishing successively put into acetone and deionized water for ultrasonic cleaned 10 minutes, the oven dry back is standby;
2. 12 milliliters of phosphoric acid are joined in 136 ml deionized water, and under magnetic agitation, mix, be mixed with the phosphoric acid solution of 1 mol, then 10 milliliters of hydrofluoric acid are joined in the above-mentioned phosphoric acid solution, continuation mixes under magnetic agitation, is mixed with that to contain the hydrofluoric acid mass percent be 2% water base electrolytic solution;
3. 3.015 gram Neutral ammonium fluorides are joined in the 60 gram glycerine, under magnetic agitation, be mixed to Neutral ammonium fluoride and dissolve fully, be mixed with that to contain the Neutral ammonium fluoride mass percent be 5% organic electrolyte;
4. under the room temperature condition, pretreated titanium foil sheet and platinized platinum are constituted two electrode systems put in 2% the water base electrolytic solution, under 25 volts constant-pressure conditions, carry out anodic oxidation 0.5 hour, the titanium foil sheet after the anodic oxidation is dried after with washed with de-ionized water;
5. sample that step 4 is obtained and platinized platinum constitute two electrode systems and put in 5% the organic electrolyte, carry out anodic oxidation 5 hours under 25 volts constant-pressure conditions, and the titanium foil sheet after the anodic oxidation is dried after with dehydrated alcohol and washed with de-ionized water;
6. continue repeating step 4 and 5, obtain gradient TiO at last 2Nano-pipe array thin film.TiO 2The pipe range of nano-pipe array thin film can reach 3 microns, caliber reach 120 nanometers and arrange regular, as shown in Figure 1.
Embodiment two
1. titanium foil sheet is used 400 orders, 600 orders, 800 orders, 1000 orders and 1200 order SiC sand paperings respectively, used the Al of 0.05 μ m again 2O 3Be polished to specular brightness, the titanium foil sheet after the polishing successively put into acetone and deionized water for ultrasonic cleaned 10 minutes, the oven dry back is standby;
2. 12 milliliters of phosphoric acid are joined in 136 ml deionized water and under magnetic agitation and mix, be mixed with the phosphoric acid solution of 1 mol, then 25 milliliters of hydrofluoric acid are joined in the above-mentioned phosphoric acid solution, continuation mixes under magnetic agitation, is mixed with that to contain the hydrofluoric acid mass percent be 5% water base electrolytic solution;
3. 0.63 gram Neutral ammonium fluoride is joined in the 60 gram glycerine, under magnetic agitation, be mixed to Neutral ammonium fluoride and dissolve fully, be mixed with that to contain the Neutral ammonium fluoride mass percent be 1% organic electrolyte;
4. under the room temperature condition, pretreated titanium foil sheet and platinized platinum are constituted two electrode systems put in 5% the water base electrolytic solution, under 25 volts constant-pressure conditions, carry out anodic oxidation 1 hour, the titanium foil sheet after the anodic oxidation is dried after with washed with de-ionized water;
5. sample that step 4 is obtained and platinized platinum constitute two electrode systems and put in 1% the organic electrolyte, carry out anodic oxidation 10 hours under 25 volts constant-pressure conditions, and the titanium foil sheet after the anodic oxidation is dried after with dehydrated alcohol and washed with de-ionized water;
6. continue repeating step 4 and 5, obtain gradient TiO at last 2Nano-pipe array thin film.TiO 2The pipe range of nano-pipe array thin film can reach 3 microns, caliber reach 120 nanometers and arrange regular, as shown in Figure 1.

Claims (2)

1. one kind is utilized the multistep anodic oxidation legal system to be equipped with gradient TiO 2The method of nano-pipe array thin film is characterized in that may further comprise the steps:
(1) pre-treatment of titanium foil sheet
Adopting the high purity titanium paillon foil is substrate, uses 400 orders, 600 orders, 800 orders, 1000 orders and 1200 order SiC sand paperings respectively, uses the Al of 0.05 μ m again 2O 3Be polished to specular brightness, the titanium foil sheet after the polishing successively put into acetone and deionized water for ultrasonic cleaned 10 minutes, the oven dry back is standby;
(2) preparation of electrolytic solution
The preparation of water base electrolytic solution: phosphoric acid and deionization are hybridly prepared into the phosphoric acid solution that volumetric molar concentration is 0.1~10 mol, hydrofluoric acid is joined in the above-mentioned phosphoric acid solution then, be mixed with that to contain the hydrofluoric acid mass percent be 0.1~10% water base electrolytic solution
The preparation of organic electrolyte: Neutral ammonium fluoride is joined in the glycerine, be mixed with that to contain the Neutral ammonium fluoride mass percent be 0.1~10% organic electrolyte;
(3) the multistep anodic oxidation legal system is equipped with gradient TiO 2Nano-pipe array thin film
A. first step anodic oxidation: under room temperature condition, under 10~30 volts constant voltage, pretreated titanium foil sheet and platinized platinum are constituted two electrode systems put into and carry out anodic oxidation 0.5~5 hour in the water base electrolytic solution, with the washed with de-ionized water after drying of the titanium foil sheet after the anodic oxidation;
B. two-step anodic oxidization: the titanium foil sheet that steps A is obtained constitutes two electrode systems with platinized platinum once more and puts in the organic electrolyte, under 10~40 volts constant voltage, carry out anodic oxidation 1~30 hour, with the titanium foil sheet after the anodic oxidation dehydrated alcohol and washed with de-ionized water after drying;
C. multistep anodic oxidation: continue repeating step A and step B, obtain gradient TiO 2Nano-pipe array thin film.
2. method according to claim 1 is characterized in that resulting TiO 2Nano-pipe array thin film has gradient-structure.
CN200710177076A 2007-11-09 2007-11-09 Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process Expired - Fee Related CN100582315C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200710177076A CN100582315C (en) 2007-11-09 2007-11-09 Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200710177076A CN100582315C (en) 2007-11-09 2007-11-09 Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process

Publications (2)

Publication Number Publication Date
CN101230479A true CN101230479A (en) 2008-07-30
CN100582315C CN100582315C (en) 2010-01-20

Family

ID=39897283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710177076A Expired - Fee Related CN100582315C (en) 2007-11-09 2007-11-09 Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process

Country Status (1)

Country Link
CN (1) CN100582315C (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871118A (en) * 2010-06-30 2010-10-27 四川大学 Method for preparing titanium dioxide layer with multi-level pore structure on surface of medicinal titanium
CN101660189B (en) * 2008-08-28 2011-02-09 中国科学院合肥物质科学研究院 Branch controllable titanium dioxide nanotube array thin film and preparation method thereof
CN101748467B (en) * 2010-01-05 2011-06-15 北京大学 Preparation method of double-pass titanium oxide nanotube array
CN102211787A (en) * 2010-04-08 2011-10-12 中国科学院合肥物质科学研究院 Preparation method of independent and ordered titanium dioxide nanotube arrays among tubes
CN102677121A (en) * 2012-03-31 2012-09-19 四川大学 Preparation of multi-stage pore structure layer on surface of medical titanium by using one-step anodic oxidation method
CN102776543A (en) * 2012-05-07 2012-11-14 中国科学院合肥物质科学研究院 Preparation method of large-area smooth-surface uncracked anodic oxidation titanium dioxide nanometer tube arrays
CN102953110A (en) * 2012-10-16 2013-03-06 中国科学院合肥物质科学研究院 Preparation method of titanium dioxide core/shell nanometer cable array
CN104882288A (en) * 2015-05-06 2015-09-02 同济大学 Method for preparing Ti-Fe alloy oxide photonic crystal electrode with high periodicity
CN104934496A (en) * 2015-04-29 2015-09-23 宁波工程学院 Ultraviolet photoelectric detector efficiently responding to TiO2 nanotube array and preparation method
CN105154955A (en) * 2015-09-14 2015-12-16 中国科学院合肥物质科学研究院 Period-adjustable TiO2 nanotube array film with periodic layered structure, and preparation method thereof
CN106245093A (en) * 2016-08-31 2016-12-21 昆明市口腔医院 Planting material surface is through the preparation method of implantation body's nano-tube array of secondary anode and reaming and surface hydrophilicity
CN107569716A (en) * 2017-04-26 2018-01-12 温州医科大学附属口腔医院 A kind of preparation method of titanium implant surface pH response medicine controlled releasing coatings
CN108273486A (en) * 2018-01-10 2018-07-13 东北石油大学 A kind of carbon nanotube/two-step anodization TiO2Nano pipe light catalyst material and its preparation method and application
CN108486630A (en) * 2018-03-02 2018-09-04 昆明理工大学 A kind of preparation method of Coloured Anodizing titanium film
CN108707947A (en) * 2018-05-21 2018-10-26 中国科学院兰州化学物理研究所 Medical titanium material surface oxidation intensifying method
CN111701588A (en) * 2020-05-08 2020-09-25 昆明理工大学 Noble metal nano porous material and preparation method and application thereof
CN113603502A (en) * 2021-08-19 2021-11-05 安徽紫朔环境工程技术有限公司 Ceramic fiber filter tube forming process
CN114214692A (en) * 2021-08-31 2022-03-22 西比里电机技术(苏州)有限公司 Electrode assembly

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101660189B (en) * 2008-08-28 2011-02-09 中国科学院合肥物质科学研究院 Branch controllable titanium dioxide nanotube array thin film and preparation method thereof
CN101748467B (en) * 2010-01-05 2011-06-15 北京大学 Preparation method of double-pass titanium oxide nanotube array
CN102211787A (en) * 2010-04-08 2011-10-12 中国科学院合肥物质科学研究院 Preparation method of independent and ordered titanium dioxide nanotube arrays among tubes
CN101871118A (en) * 2010-06-30 2010-10-27 四川大学 Method for preparing titanium dioxide layer with multi-level pore structure on surface of medicinal titanium
CN101871118B (en) * 2010-06-30 2011-09-14 四川大学 Method for preparing titanium dioxide layer with multi-level pore structure on surface of medicinal titanium
CN102677121A (en) * 2012-03-31 2012-09-19 四川大学 Preparation of multi-stage pore structure layer on surface of medical titanium by using one-step anodic oxidation method
CN102776543A (en) * 2012-05-07 2012-11-14 中国科学院合肥物质科学研究院 Preparation method of large-area smooth-surface uncracked anodic oxidation titanium dioxide nanometer tube arrays
CN102776543B (en) * 2012-05-07 2015-07-15 中国科学院合肥物质科学研究院 Preparation method of large-area smooth-surface uncracked anodic oxidation titanium dioxide nanometer tube arrays
CN102953110A (en) * 2012-10-16 2013-03-06 中国科学院合肥物质科学研究院 Preparation method of titanium dioxide core/shell nanometer cable array
CN102953110B (en) * 2012-10-16 2015-04-22 中国科学院合肥物质科学研究院 Preparation method of titanium dioxide core/shell nanometer cable array
CN104934496A (en) * 2015-04-29 2015-09-23 宁波工程学院 Ultraviolet photoelectric detector efficiently responding to TiO2 nanotube array and preparation method
CN104882288A (en) * 2015-05-06 2015-09-02 同济大学 Method for preparing Ti-Fe alloy oxide photonic crystal electrode with high periodicity
CN104882288B (en) * 2015-05-06 2018-02-09 同济大学 A kind of preparation method with high degree of periodicity Ti Fe alloyed oxide photonic crystal electrodes
CN105154955A (en) * 2015-09-14 2015-12-16 中国科学院合肥物质科学研究院 Period-adjustable TiO2 nanotube array film with periodic layered structure, and preparation method thereof
CN105154955B (en) * 2015-09-14 2018-04-24 中国科学院合肥物质科学研究院 Cycle adjustable cycle layer structure TiO2Nano-pipe array thin film and preparation method thereof
CN106245093A (en) * 2016-08-31 2016-12-21 昆明市口腔医院 Planting material surface is through the preparation method of implantation body's nano-tube array of secondary anode and reaming and surface hydrophilicity
CN107569716B (en) * 2017-04-26 2020-10-20 温州医科大学附属口腔医院 Preparation method of pH-responsive drug controlled-release coating on surface of titanium implant
CN107569716A (en) * 2017-04-26 2018-01-12 温州医科大学附属口腔医院 A kind of preparation method of titanium implant surface pH response medicine controlled releasing coatings
CN108273486A (en) * 2018-01-10 2018-07-13 东北石油大学 A kind of carbon nanotube/two-step anodization TiO2Nano pipe light catalyst material and its preparation method and application
CN108273486B (en) * 2018-01-10 2020-06-26 东北石油大学 Carbon nano tube/secondary anode oxidized TiO2Nanotube photocatalyst material and preparation method and application thereof
CN108486630B (en) * 2018-03-02 2019-11-08 昆明理工大学 A kind of preparation method of Coloured Anodizing titanium film
CN108486630A (en) * 2018-03-02 2018-09-04 昆明理工大学 A kind of preparation method of Coloured Anodizing titanium film
CN108707947A (en) * 2018-05-21 2018-10-26 中国科学院兰州化学物理研究所 Medical titanium material surface oxidation intensifying method
CN108707947B (en) * 2018-05-21 2020-12-18 中国科学院兰州化学物理研究所 Surface oxidation strengthening method for medical titanium material
CN111701588A (en) * 2020-05-08 2020-09-25 昆明理工大学 Noble metal nano porous material and preparation method and application thereof
CN113603502A (en) * 2021-08-19 2021-11-05 安徽紫朔环境工程技术有限公司 Ceramic fiber filter tube forming process
CN114214692A (en) * 2021-08-31 2022-03-22 西比里电机技术(苏州)有限公司 Electrode assembly

Also Published As

Publication number Publication date
CN100582315C (en) 2010-01-20

Similar Documents

Publication Publication Date Title
CN100582315C (en) Method for preparing gradient TiO2 nano-tube arrry thin film by using multistep anodic oxidation process
CN104862758B (en) A kind of aquatic products hydrogen that decomposes is with NiS/Ni (OH)2The preparation method of elctro-catalyst
CN105384358A (en) Preparation method and application research of WO3 nanosheet array film
CN105200450A (en) Molybdenum disulfide/carbon black composite hydrogen-evolution electrocatalytic material and preparation method therefor
CN101768771B (en) Cylindrical and barrel-shaped titanium dioxide nanotube arrays and preparation method and application thereof
CN102231332B (en) Flexible Dye-sensitized Solar Cells (DSSCs) based on titanium dioxide nanometer rod array film and preparation method thereof
CN101143357B (en) Nanocrystalline film and its low temperature preparing method
CN106732669B (en) A kind of MoS as photoelectrocatalysis liberation of hydrogen material2/In2S3Composite catalyst and preparation method thereof
CN101122041A (en) Method for preparing porous titanium filtering material surface functionalization nano-structure film
CN105132941A (en) Molybdenum diselenide/carbon black composite hydrogen evolution electro-catalysis material and preparation method thereof
Li et al. TiO 2 nanotube arrays modified with nanoparticles of platinum group metals (Pt, Pd, Ru): Enhancement on photoelectrochemical performance
CN106540673A (en) A kind of three-dimensional TiO2The synthetic method of/ZnO heterojunction array
CN108842168B (en) Two-step electrochemical method for preparing g-C3N4/MMO composite film photoelectrode
CN106835190A (en) Porous vanadium nano-chip arrays electrocatalysis material of nine selenizing two of monocrystalline and preparation method thereof
CN102895963A (en) Method of loading titanium dioxide nanorod arrays on surface of titanium wire mesh
CN105006378A (en) Preparation method of nano-structure super capacitor electrode material taking foamed nickel as substrate
CN110592616A (en) Method for preparing platinum/titanium dioxide nanotube composite electrode by electroplating method
CN103590087A (en) TiO2 nanotube array film with periodically-changing inner aperture and adjustable period and preparation method thereof
CN101016637A (en) Method of preparing TiO2 nano pipe array by anodic oxidation method
CN105858822B (en) One kind having wedge structure red titanium dioxide photoelectrode and its preparation and application
CN108993470A (en) A kind of preparation and application of the double array structure catalysis materials of titanium dioxide/graphene/zinc oxide
CN103714976B (en) A kind of used by dye sensitization solar battery Cu3SnS4Nano material is to electrode and preparation method thereof
CN105161319A (en) Method for preparing amorphous carbon coated and oxygen vacancy modified titanium dioxide nanotube array supported nickel-cobalt oxide electrode material
CN102718491A (en) Nanotube / powder blending phase metal oxide
CN102614877B (en) Preparation method of transition metallic element and non-metallic element doped nano titanium dioxide modified photocatalyst

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100120

Termination date: 20171109

CF01 Termination of patent right due to non-payment of annual fee