CN103157498B - Synthesis method of phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst - Google Patents
Synthesis method of phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst Download PDFInfo
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- CN103157498B CN103157498B CN201310108300.7A CN201310108300A CN103157498B CN 103157498 B CN103157498 B CN 103157498B CN 201310108300 A CN201310108300 A CN 201310108300A CN 103157498 B CN103157498 B CN 103157498B
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- Y02E60/30—Hydrogen technology
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Abstract
The invention relates to a synthesis method of a phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst, and particularly relates to a synthesis method of a photocatalyst and the method is used for solving the technical problem of poor activity for decomposing bismuth vanadate under irradiation of visible light to produce hydrogen in water. The method comprises the following steps of: firstly, preparing phosphoric acid modified bismuth vanadate; secondly, preparing a solution A; thirdly, preparing a solution B; fourthly, preparing titanium dioxide compound phosphoric acid bridged bismuth vanadate; and fifthly, dispersing the titanium dioxide compound phosphoric acid bridged bismuth vanadate into distilled water, adding chloroplatinic acid, stirring under the irradiation of a xenon lamp with the power of 300w, cleaning, drying and grinding to obtain the phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst. Compared with pure bismuth vanadate, the phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst provided by the invention has the advantages that the service life of a carrier of the phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst is prolonged by 1ms, and the separation efficiency of the carrier is increased by 1.5 times. The phosphoric acid bridged and compounded TiO2-BiVO4 nanometer photocatalyst has high activity for decomposing under the irradiation of the visible light to produce the hydrogen in water.
Description
Technical field
The present invention relates to a kind of synthetic method of photochemical catalyst.
Background technology
Hydrogen Energy and solar energy are all clean, regenerative resources.Utilize photochemical catalyst hydrogen production by water decomposition under the irradiation of sunshine, the Hydrogen Energy of high-energy-density can be converted solar energy into.In numerous visible ray semiconductor catalyst, pucherite gains great popularity due to the feature such as its stable in properties, spectral absorption scope be large and cheap and easy to get.Pucherite valence band and conduction band positions are all lower, and therefore under optical excitation, the hole of generation has stronger oxidability, but the electron reduction ability produced is poor.The reducing power of light induced electron and life-span thereof are the key factors affecting its light hydrogen production by water decomposition efficiency.Light induced electron reducing power is poor, and itself and hydrionic reactivity are poor, and the efficiency determining its hydrogen production by water decomposition is low.In addition, light induced electron and hydrogen ion respond poor, make its easily with photohole compound, shortening electron lifetime, have impact on the efficiency of its hydrogen manufacturing further.Yet there are no the report utilizing hydrogen production by water decomposition under pucherite visible ray.Therefore, synthesis has the catalyst based with the pucherite of long electron lifetime of the sub-reducing power of forceful electric power, improves the activity of catalytic decomposition water hydrogen manufacturing under its visible light conditions, significant to visible ray semiconductor catalyzing manufacturing of hydrogen technology.
Summary of the invention
The object of the invention is the technical problem in order to solve hydrogen production by water decomposition poor activity under pucherite radiation of visible light, providing a kind of TiO of phosphoric acid bridging compound
2-BiVO
4the synthetic method of nano-photocatalyst.
The TiO of phosphoric acid bridging compound
2-BiVO
4the synthetic method of nano-photocatalyst is carried out according to following steps:
One, 1g pucherite being distributed to concentration is in the phosphate aqueous solution of 0.001 ~ 0.01mol/L, then under the condition of 80 DEG C of heating water baths, stirs evaporate to dryness, grinding, and at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite that phosphoric acid is modified;
Two, the pucherite that the phosphoric acid obtained in step one is modified is distributed in the mixed solution be made up of 20ml ethanol and 5ml distilled water, instills the nitric acid that 0.5 ~ 2ml mass concentration is 65% under agitation, stir 0.5h, obtain solution A;
Three, 0.01 ~ 0.1ml butyl titanate is distributed in 2ml absolute ethyl alcohol, stirs 30min, obtain solution B;
Four, solution B step 3 obtained is added drop-wise in the solution A that step 2 obtains with the speed of 3 ~ 4 drops/sec under agitation, stirs 0.5h, dries under the condition of 60 ~ 100 DEG C, grinding, again at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite of the phosphoric acid bridging of titanium dioxide compound;
The pucherite of the phosphoric acid bridging of the titanium dioxide compound five, step 4 obtained is distributed in 100ml distilled water, add 0.1 ~ 1ml chloroplatinic acid, 0.5h is stirred under power is 300w xenon lamp (filtering ultraviolet light with 420nm optical filter) irradiation, washing, dry under the condition of 80 DEG C, grinding, obtains the TiO of phosphoric acid bridging compound
2-BiVO
4nano-photocatalyst.
The TiO of the phosphoric acid bridging compound adopting the present invention to obtain
2-BiVO
4nano-photocatalyst hydrogen production by water decomposition carries out according to the following steps: adopt the spherical xenon lamp of 300W as radiation source (filtering ultraviolet light with 420nm optical filter), airtight quartz glass reactor is placed in by catalyst based for the pucherite of 100ml methanol aqueous solution (mass concentration is 20%) and the bridging of 0.1g phosphoric acid, be positioned over apart from xenon lamp 10cm place, reactor vacuumizes 0.5h (vacuum-0.095MPa).Reaction solution equalization of concentration is kept with magnetic agitation in course of reaction.After reaction starts, the amount of substance of the hydrogen that every 0.5h gas chromatographic detection system produces.
The TiO of phosphoric acid bridging compound of the present invention
2-BiVO
4nano-photocatalyst, the crystalline phase of nanometer pucherite is monocline crystalline phase, the processes such as modification, compound do not impact the crystalline phase of pucherite composition and degree of crystallization etc., and this is mainly due to the amount of the modification such as phosphoric acid, titanium dioxide, compound less (lower than 5%) and heat treatment temperature lower (not higher than 450 DEG C).
Compared to pure pucherite, the TiO of phosphoric acid bridging compound of the present invention
2-BiVO
4the carrier lifetime of nano-photocatalyst extends 1ms, and carrier separation efficiency approximately improves 1.5 times.
Adopt the TiO of the phosphoric acid bridging compound of the present invention's synthesis
2-BiVO
4the hydrogen output of nano-photocatalyst visible light catalytic decomposition water 1h reaches 124 μm of ol, and the efficiency that namely hydrogen generation efficiency reaches hydrogen manufacturing reaches 124 μm of olh
-1g
-1, and under the same terms, pure pucherite hydrogen output is almost nil.The TiO of phosphoric acid bridging compound of the present invention
2-BiVO
4nano-photocatalyst has the activity of high visible light catalytic hydrogen production by water decomposition.
Utilize phosphoric acid as molecular bridge in the present invention, realize pucherite to be connected with the effective of titanium dioxide, and at composite catalyst area load nano platinum particle, the electronics with higher-energy that pucherite is produced under the radiation of visible light of shorter wavelength can be transferred on the titanium dioxide that has compared with quality fine paper position by phosphoric acid molecules bridge, and under the catalysis of platinum hydrogen production by water decomposition.Due to the existence of phosphoric acid molecules bridge and titanium dioxide, the high energy electron that pucherite produces can shift timely, it is moved back and is also inhibited simultaneously, avoid the quick compound of itself and photohole, extend the life-span of high energy electron, improve the separative efficiency of photogenerated charge, this is conducive to the raising of pucherite photocatalytic hydrogen production by water decomposition activity.Finally, transfer to electro transfer on titanium dioxide conduction band on platinum, react with the hydrogen ion in water, realize photocatalytic hydrogen production by water decomposition.The present invention synthesizes the TiO of phosphoric acid bridging compound
2-BiVO
4the method reaction condition of nano-photocatalyst catalyst performance that is gentle, that obtain is excellent, is applicable to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the TiO of the phosphoric acid bridging compound that test one obtains
2-BiVO
4the XRD figure of nano-photocatalyst, in figure, a represents the TiO of phosphoric acid bridging compound
2-BiVO
4the XRD figure of nano-photocatalyst, b represent the XRD figure of pucherite;
Fig. 2 is the TiO of the phosphoric acid bridging compound that test one obtains
2-BiVO
4in TS-SPV (transient state surface photovoltage) figure, the figure of nano-photocatalyst, a represents the TiO of phosphoric acid bridging compound
2-BiVO
4the TS-SPV figure of nano-photocatalyst, b represent the TS-SPV figure of pucherite;
Fig. 3 is the TiO of the phosphoric acid bridging compound that test one obtains
2-BiVO
4the hydrogen amount of substance of nano-photocatalyst photocatalytic hydrogen production by water decomposition and time history, in figure, a represents the TiO of phosphoric acid bridging compound
2-BiVO
4the hydrogen amount of substance of nano-photocatalyst photocatalytic hydrogen production by water decomposition and time history, b represents hydrogen amount of substance and the time history of pucherite photocatalytic hydrogen production by water decomposition.
Detailed description of the invention
Technical solution of the present invention is not limited to following cited detailed description of the invention, also comprises any combination between each detailed description of the invention.
Detailed description of the invention one: the TiO of phosphoric acid bridging compound in present embodiment
2-BiVO
4the synthetic method of nano-photocatalyst is carried out according to following steps:
One, 1g pucherite being distributed to concentration is in the phosphate aqueous solution of 0.001 ~ 0.01mol/L, then under the condition of 80 DEG C of heating water baths, stirs evaporate to dryness, grinding, and at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite that phosphoric acid is modified;
Two, the pucherite that the phosphoric acid obtained in step one is modified is distributed in the mixed solution be made up of 20ml ethanol and 5ml distilled water, instills the nitric acid that 0.5 ~ 2ml mass concentration is 65% under agitation, stir 0.5h, obtain solution A;
Three, 0.01 ~ 0.1ml butyl titanate is distributed in 2ml absolute ethyl alcohol, stirs 30min, obtain solution B;
Four, solution B step 3 obtained is added drop-wise in the solution A that step 2 obtains with the speed of 3 ~ 4 drops/sec under agitation, stirs 0.5h, dries under the condition of 60 ~ 100 DEG C, grinding, again at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite of the phosphoric acid bridging of titanium dioxide compound;
The pucherite of the phosphoric acid bridging of the titanium dioxide compound five, step 4 obtained is distributed in 100ml distilled water, add 0.1 ~ 1ml chloroplatinic acid, 0.5h is stirred under power is 300w xenon lamp (filtering ultraviolet light with 420nm optical filter) irradiation, washing, dry under the condition of 80 DEG C, grinding, obtains the TiO of phosphoric acid bridging compound
2-BiVO
4nano-photocatalyst.
The TiO of the phosphoric acid bridging compound obtained in present embodiment
2-BiVO
4nano-photocatalyst reaches 124 μm of olh in the efficiency that mass concentration is hydrogen production by water decomposition in the methanol aqueous solution of 20%
-1g
-1.
Detailed description of the invention two: present embodiment and detailed description of the invention one are 0.002 ~ 0.009mol/L unlike the concentration of phosphate aqueous solution in step one.Other is identical with detailed description of the invention one.
Detailed description of the invention three: one of present embodiment and detailed description of the invention one or two are 0.003 ~ 0.008mol/L unlike the concentration of phosphate aqueous solution in step one.Other is not identical with one of detailed description of the invention one or two.
Detailed description of the invention four: one of present embodiment and detailed description of the invention one to three are 0.005mol/L unlike the concentration of phosphate aqueous solution in step one.Other is identical with one of detailed description of the invention one to three.
Detailed description of the invention five: one of present embodiment and detailed description of the invention one to four are unlike instilling the nitric acid that 1ml mass concentration is 65% in step 2.Other is identical with one of detailed description of the invention one to four.
Detailed description of the invention six: one of present embodiment and detailed description of the invention one to five are unlike instilling the nitric acid that 1.5ml mass concentration is 65% in step 2.Other is identical with one of detailed description of the invention one to five.
Detailed description of the invention seven: 0.02 ~ 0.09ml butyl titanate is distributed in 2ml absolute ethyl alcohol unlike in step 3 by one of present embodiment and detailed description of the invention one to six.Other is identical with one of detailed description of the invention one to six.
Detailed description of the invention eight: 0.05ml butyl titanate is distributed in 2ml absolute ethyl alcohol unlike in step 3 by one of present embodiment and detailed description of the invention one to seven.Other is identical with one of detailed description of the invention one to seven.
Detailed description of the invention nine: one of present embodiment and detailed description of the invention one to eight are dried under the condition of 80 DEG C unlike in step 4.Other is identical with one of detailed description of the invention one to eight.
Detailed description of the invention ten: one of present embodiment and detailed description of the invention one to nine are unlike adding 0.5ml chloroplatinic acid in step 5.Other is identical with one of detailed description of the invention one to nine.
Adopt following verification experimental verification effect of the present invention:
Test one:
The TiO of phosphoric acid bridging compound
2-BiVO
4the synthetic method of nano-photocatalyst is carried out according to following steps:
One, 1g pucherite being distributed to concentration is in the phosphate aqueous solution of 0.005mol/L, then under the condition of 80 DEG C of heating water baths, stirs evaporate to dryness, grinding, and at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite that phosphoric acid is modified;
Two, be distributed in the mixed solution be made up of 20ml ethanol and 5ml distilled water by the pucherite that the phosphoric acid obtained in step one is modified, instilling 1ml mass concentration is under agitation the nitric acid of 65%, stirs 0.5h, obtains solution A;
Three, 0.5ml butyl titanate is distributed in 2ml absolute ethyl alcohol, stirs 30min, obtain solution B;
Four, solution B step 3 obtained is added drop-wise in the solution A that step 2 obtains with the speed of 3 drops/sec under agitation, stirs 0.5h, dries under the condition of 80 DEG C, grinding, again at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite of the phosphoric acid bridging of titanium dioxide compound;
The pucherite of the phosphoric acid bridging of the titanium dioxide compound five, step 4 obtained is distributed in 100ml distilled water, add 0.5ml chloroplatinic acid, 0.5h is stirred under power is 300w xenon lamp (filtering ultraviolet light with 420nm optical filter) irradiation, washing, dry under the condition of 80 DEG C, grinding, obtains the TiO of phosphoric acid bridging compound
2-BiVO
4nano-photocatalyst.
The TiO of the phosphoric acid bridging compound obtained in this test
2-BiVO
4the XRD figure of nano-photocatalyst as shown in Figure 1, as can be seen from Figure 1, the crystalline phase of nanometer pucherite is monocline crystalline phase, the processes such as modification, compound do not impact the crystalline phase of pucherite composition and degree of crystallization etc., and this is mainly due to the amount of the modification such as phosphoric acid, titanium dioxide, compound less (lower than 5%) and heat treatment temperature lower (not higher than 450 DEG C).
The TiO of the phosphoric acid bridging compound obtained in this test
2-BiVO
4tS-SPV (transient state surface photovoltage) figure of nano-photocatalyst as shown in Figure 2, as can be seen from Figure 2, compared to pure pucherite, the TiO of phosphoric acid bridging compound that this test obtains
2-BiVO
4the carrier lifetime of nano-photocatalyst extends 1ms, and carrier separation efficiency approximately improves 1.5 times.
The TiO of the phosphoric acid bridging compound adopting this test to obtain
2-BiVO
4nano-photocatalyst hydrogen production by water decomposition carries out according to the following steps: adopt the spherical xenon lamp of 300W as radiation source (filtering ultraviolet light with 420nm optical filter), airtight quartz glass reactor is placed in by catalyst based for the pucherite of 100ml methanol aqueous solution (mass concentration is 20%) and the bridging of 0.1g phosphoric acid, be positioned over apart from xenon lamp 10cm place, reactor vacuumizes 0.5h (vacuum-0.095MPa).Reaction solution equalization of concentration is kept with magnetic agitation in course of reaction.After reaction starts, the amount of substance of the hydrogen that every 0.5h gas chromatographic detection system produces.
The TiO of the phosphoric acid bridging compound obtained in this test
2-BiVO
4the hydrogen amount of substance of nano-photocatalyst photocatalytic hydrogen production by water decomposition--time history as shown in Figure 3, the TiO of the phosphoric acid bridging compound of synthesizing as can be seen from Figure 3
2-BiVO
4the hydrogen output of nano-photocatalyst visible light catalytic decomposition water 1h reaches 124 μm of ol, and the efficiency that namely hydrogen generation efficiency reaches hydrogen manufacturing reaches 124 μm of olh
-1g
-1, and under the same terms, pure pucherite hydrogen output is almost nil.The TiO of phosphoric acid bridging compound that obtains of this test as can be seen here
2-BiVO
4nano-photocatalyst has the activity of high visible light catalytic hydrogen production by water decomposition.
Claims (4)
1. the TiO of phosphoric acid bridging compound
2-BiVO
4the synthetic method of nano-photocatalyst, is characterized in that the TiO of phosphoric acid bridging compound
2-BiVO
4the synthetic method of nano-photocatalyst is carried out according to following steps:
One, 1g pucherite being distributed to concentration is in the phosphate aqueous solution of 0.001 ~ 0.01mol/L, then under the condition of 80 DEG C of heating water baths, stirs evaporate to dryness, grinding, and at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite that phosphoric acid is modified;
Two, the pucherite that the phosphoric acid obtained in step one is modified is distributed in the mixed solution be made up of 20ml ethanol and 5ml distilled water, instills the nitric acid that 0.5 ~ 2ml mass concentration is 65% under agitation, stir 0.5h, obtain solution A;
Three, 0.01 ~ 0.1ml butyl titanate is distributed in 2ml absolute ethyl alcohol, stirs 30min, obtain solution B;
Four, solution B step 3 obtained is added drop-wise in the solution A that step 2 obtains with the speed of 3 ~ 4 drops/sec under agitation, stirs 0.5h, dries under the condition of 60 ~ 100 DEG C, grinding, again at 450 DEG C of roasting 0.5h, grinding, obtains the pucherite of the phosphoric acid bridging of titanium dioxide compound;
The pucherite of the phosphoric acid bridging of the titanium dioxide compound five, step 4 obtained is distributed in 100ml distilled water, adds 0.1 ~ 1ml chloroplatinic acid, under the xenon lamp irradiation that power is 300w, stir 0.5h, washing, dry under the condition of 80 DEG C, grinding, obtains the TiO of phosphoric acid bridging compound
2-BiVO
4nano-photocatalyst.
2. the TiO of phosphoric acid bridging compound according to claim 1
2-BiVO
4the synthetic method of nano-photocatalyst, is characterized in that the concentration of phosphate aqueous solution in step one is 0.002 ~ 0.009mol/L.
3. the TiO of phosphoric acid bridging compound according to claim 1
2-BiVO
4the synthetic method of nano-photocatalyst, is characterized in that the concentration of phosphate aqueous solution in step one is 0.003 ~ 0.008mol/L.
4. the TiO of phosphoric acid bridging compound according to claim 1
2-BiVO
4the synthetic method of nano-photocatalyst, is characterized in that the concentration of phosphate aqueous solution in step one is 0.005mol/L.
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| CN103864012B (en) * | 2014-01-23 | 2016-01-06 | 燕山大学 | MgH 2-BiVO 4composite for hydrogen storage and preparation method thereof |
| JP2016113331A (en) * | 2014-12-16 | 2016-06-23 | 昭和電工株式会社 | MANUFACTURING METHOD OF TITANIUM OXIDE CARRYING BiVO4 AND ANTIVIRAL COMPOSITION |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371981A (en) * | 2007-08-21 | 2009-02-25 | 黑龙江大学 | Nano titanic oxide photocatalyst of high activity with phosphoric acid surface modification as well as synthetic method |
| CN102580721A (en) * | 2011-12-19 | 2012-07-18 | 陕西科技大学 | Method for preparing TiO2/BiVO4 composite photocatalyst by MH method |
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| WO2006064799A1 (en) * | 2004-12-13 | 2006-06-22 | Osaka University | Composite metal oxide photocatalyst exhibiting responsibility to visible light |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371981A (en) * | 2007-08-21 | 2009-02-25 | 黑龙江大学 | Nano titanic oxide photocatalyst of high activity with phosphoric acid surface modification as well as synthetic method |
| CN102580721A (en) * | 2011-12-19 | 2012-07-18 | 陕西科技大学 | Method for preparing TiO2/BiVO4 composite photocatalyst by MH method |
Non-Patent Citations (4)
| Title |
|---|
| 可见光响应的BiVO4/TiO2纳米复合光催化剂;嵇天浩等;《光谱学与光谱分析》;20100731;第30卷(第7期);引言、1.2节 * |
| 提高纳米TiO2光生电荷分离状况的改性方法及机制研究;屈宜春;《中国博士学位论文全文数据库工程科技Ⅰ辑》;20120615(第6期);3.1、3.2.1.1节 * |
| 费学宁等.TiO2光催化剂的改性及负载技术.《非均相光催化有机合成、降解、设备及应用》.科学出版社,2011,27. * |
| 陆小华.材料化学工程方法指导氧化钛功能材料的制备.《材料化学工程中的分子模拟和热力学研究》.科学出版社,2011,206. * |
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