88results about How to "Wide frequency range of visible light response" patented technology

The invention discloses a wideband efficient photocatalyst Li3FeGeO5 with the visible light response function and a preparing method thereof. The chemical composition formula of the photocatalyst is Li3FeGeO5. The invention further discloses the preparing method for the material. The obtained photocatalyst has the advantages of being wide in spectrum response range, high in light conversion efficiency, good in stability and the like. Under radiation of visible light, the photocatalyst has a function of decomposing harmful chemical substances and organic biomass and an antibacterial function; in addition, the preparing method is simple, low in resultant temperature and cost, and suitable for industrial production and application.

The invention discloses a wide-band and high-efficiency visible light responsive photocatalyst Li3FeGe2O7 and a preparation method thereof. The photocatalyst has the chemical composition of Li3FeGe2O7. The invention also discloses the preparation method of the material. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability and the like. Under visible light irradiation, the photocatalyst has the effects of decomposition of harmful chemical substances and organic biomass and sterilization; and in addition, the preparation method is simple, low in synthesis temperature, low in cost, and suitable for industrial production and application.

The invention discloses a photocatalysis device for degrading printing and dyeing wastewater. The photocatalysis device comprises a pool body, wherein at least two light source installation plates arevertically arranged in the pool body and are used for dividing the pool body into a plurality of flow mixing chambers; a stirring shaft is vertically penetrated in each flow mixing chamber and is provided with at least one swirl vane component; the lower end of each stirring shaft penetrates out of the pool body to be fixedly sheathed with a belt pulley; and a plurality of belt pulleys are sheathed with the same belt. Compared with the prior art, the photocatalysis device comprises photocatalysis and Fenton oxidation which are carried out simultaneously, the plurality of flow mixing chambersare used for prolonging wastewater retention time, the rotation direction of each stirring shaft is changed to drive the swirl vane to rotate and continuously change a stirring range, the swirl reaction of sewage in the device is realized so as to accelerate photocatalyst and hydrogen peroxide to fully react, .OH is generated, the light source installation plates including light sources are used as the partition plates so as to guarantee the effective irradiation range of the light source. The photocatalyst has the characteristics of wide visible light response frequency range, high light conversion efficiency and good stability.

The invention provides a preparation method and application of a visible light Fenton catalyst, belonging to the technical field of photocatalyst preparation. The method includes the following steps: weighing soluble ferrous salt and soluble lithium salt in molar ratio and adding them into deionized water; weighing tungstate M2WO4·2H2O and adding them into deionized water; , The molar ratio of lithium ions and tungsten ions is 2:2:1, then add sodium hydroxide solution to make the solution alkaline, transfer the mixed solution to a hydrothermal reaction kettle for reaction; after the reaction is completed, centrifuge, and centrifuge the obtained precipitate After washing and drying, the visible light Fenton catalyst Li2Fe2WO7 powder is obtained. The method adopts a hydrothermal method to synthesize Li2Fe2WO7, the preparation method is simple and controllable, and the obtained product has better visible light catalytic activity. It can be used for the treatment of organic wastewater.

The invention discloses a broadband and efficient visible-light-responded photocatalyst K2Ni2Sb8O23 and a preparation method thereof. The chemical composition formula of the photocatalyst is K2Ni2Sb8O23. The invention further discloses the preparation method of the photocatalyst. The photocatalyst disclosed by the invention has the advantages of wide spectral response range, high light conversion efficiency, good stability and the like; the photocatalyst plays a role in decomposing harmful chemical substances and organic biomass and sterilizing under the irradiation of visible light; in addition, the preparation method is simple, is low in synthesis temperature and low in cost and is applicable to industrial production and application.

The invention discloses a wideband and efficient visible light responded photocatalyst Co3ZnFeSbO8 and the preparation method thereof. The chemical constitution formula of the photocatalyst is Co3ZnFeSbO8. The invention further discloses a preparation method of the aforementioned material. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability, and the like. Under the irradiation of visible light, the photocatalyst has effects of resolving harmful chemical substances, organic biomass, and sterilization; additionally, the preparation method is simple, the synthesizing temperature is low, and the photocatalyst is applicable to industrial production and application.

The invention discloses visible light responding photocatalyst SrCu3Ge4O12 and a preparation method thereof. The chemical composition of the photocatalyst is SrCu3Ge4O12. The invention also discloses the preparation method of the material. The photocatalyst obtained by the method has wide spectral response range, high light conversion efficiency and good stability and other advantages, has the effects of decomposition of harmful chemicals and organic biomass and antiseptic effect under visible light irradiation, also has the advantages of simple preparation method, low synthesis temperature, low cost, and is suitable for industrial production and application.

The invention discloses a broadband efficient photocatalyst Li2ZnSnO4 with visible light response and a preparation method thereof. The chemical formula of the photocatalyst is Li2ZnSnO4. The invention further discloses a preparation method of the photocatalyst. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability and the like, and has the effect of decomposing harmful chemical substances and organic biomass and achieving sterilization under visible light irradiation; in addition, the preparation method is simple, low in synthesis temperature and cost and suitable for industrial production and application.

The invention discloses a broadband high-efficiency visible-light-responsive photocatalyst SrLi3FeV8O24 and a preparation method thereof. The chemical composition formula of the photocatalyst is SrLi3FeV8O24. The invention also discloses the preparation method of the above material. The photocatalyst provided by the invention has the advantages of wide spectral response range, high light conversion efficiency, good stability, and the like. Under visible light irradiation, the photocatalyst has the functions of decomposing harmful chemicals and organic biomass, and sterilizing. The preparation method is simple; synthesis temperature is low; and cost is low. The method is suitable for industrialized production and application.

The invention discloses a broadband efficient visible-light response photocatalyst Cu3Bi2Ge3O12 and a preparation method thereof. The chemical composition formula of the photocatalyst is Cu3Bi2Ge3O12. The invention further discloses the preparation method of the photocatalyst. The obtained photocatalyst has the advantages of being wide in spectral response range, high in light conversion efficiency, good in stability and the like. The effects of decomposing harmful chemical substances and organic biomass and killing bacteria are achieved under irradiation of visible light. In addition, the preparation method is simple, synthesis temperature is low, cost is low, and the photocatalyst is suitable for industrial production and application.

The invention discloses a wideband and efficient visible light responded photocatalyst Li2La3NdSb2O12 and the preparation method thereof. The chemical constitution formula of the photocatalyst is Li2La3NdSb2O12. The invention further discloses a preparation method of the aforementioned material. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability, and the like. Under the irradiation of visible light, the photocatalyst has effects of resolving harmful chemical substances, organic biomass, and sterilization; additionally, the preparation method is simple, the synthesizing temperature is low, and the photocatalyst is applicable to industrial production and application.

The invention discloses a visible-light-responding photocatalyst SrCu2Ge2O7 with broadband and high efficiency and a preparation method of the visible-light-responding photocatalyst SrCu2Ge2O7. A chemical composition formula of the photocatalyst is SrCu2Ge2O7. The invention further discloses the preparation method of the material. The photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability and the like; the photocatalyst has functions of decomposing harmful chemical substances and organic biomass and killing bacteria under the irradiation of visible light; besides, the preparation method is simple, the synthesis temperature is low, the cost is low, and the photocatalyst and the preparation method are suitable for industrial production and application.

The invention discloses a wideband and efficient visible light responded photocatalyst Co4GaSbO8 and the preparation method thereof. The chemical constitution formula of the photocatalyst is Co4GaSbO8. The invention further discloses a preparation method of the aforementioned material. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability, and the like. Under the irradiation of visible light, the photocatalyst has effects of resolving harmful chemical substances, organic biomass, and sterilization; additionally, the preparation method is simple, the synthesizing temperature is low, and the photocatalyst is applicable to industrial production and application.

The invention discloses a broadband efficient visible light responding photocatalyst SrLi3SmV8O24 and a preparation method thereof. The chemical formula of the photocatalyst is SrLi3SmV8O24. The invention also discloses the preparation method of the broadband efficient visible light responding photocatalyst SrLi3SmV8O24. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability and the like, and has the functions of resolving harmful chemical substances and organic biomass and sterilizing under irradiation of visible light. In addition, the preparation method is simple, low in synthesis temperature and cost, and suitable for industrial production and application.

The invention discloses a wideband and efficient visible light responded photocatalyst Li2Cu4O5 and the preparation method thereof. The chemical constitution formula of the photocatalyst is Li2Cu4O5. The invention further discloses a preparation method of the aforementioned material. The obtained photocatalyst has the advantages of wide spectral response range, high light conversion efficiency, good stability, and the like. Under the irradiation of visible light, the photocatalyst has effects of resolving harmful chemical substances, organic biomass, and sterilization; additionally, the preparation method is simple, the synthesizing temperature is low, and the photocatalyst is applicable to industrial production and application.