33results about How to "Broaden the range of photosensitive wavelengths" patented technology

The invention discloses a preparation method of a photoelectrochemical diethylstilbestrol sensor and belongs to the technical field of novel nano functional materials and biosensors. Firstly, a novel two-dimensional nano photoelectric material, namely a copper-doped nano photoelectric material, specifically a two-dimensional nano composite Cu-TiO2 / MoS2 obtained through in-situ compounding of molybdenum disulfide on a copper-doped titanium dioxide nano cube is prepared, and an diethylstilbestrol antibody is loaded and alkaline phosphatase is fixed to the material by the application of good biocompatibility and a large specific surface area of the material. During detection, due to the fact that alkaline phosphatase can catalyze L-ascorbic acid-2-trisodium phosphate AAP to generate L-ascorbic acid AA in situ and then provide an electron donor for photoelectric detection, by the application of the influences of specific quantitative combination of the antibody and an antigen on electron transmission capacity, the photoelectric current intensity is lowered accordingly, and finally the photoelectric sensor for detecting diethylstilbestrol through an unmarked photoelectrochemical method is constructed.

The invention discloses a preparation method of a double-metal doped titanium dioxide polyhedral photocatalyst free of doped precious metals, low in cost, simple to prepare and high in photocatalytic activity and belongs to the technical fields of novel nano functional materials and green energy.The double-metal doped titanium dioxide polyhedral photocatalyst prepared by means of the preparation method is iron and cobalt double-metal in-situ compounded and nitrogen doped titanium dioxide nanosheets FeCo-N@TiO2 and has good photocatalytic activity.

The invention discloses a method for preparing a photocatalyst free of precious metal doping, low in cost, easy to prepare and high in photocatalytic activity and belongs to the technical field of novel nanometer functional materials and green energy.The molybdenum oxide / titanium dioxide composite nanometer photocatalyst prepared from the method is carbon nitride on-situ synthesis cobalt doping molybdenum oxide / titanium dioxide nanosheet two-dimensional nanocomposite Co-MoO3 / TiO2@g-C3N4, and has good photocatalytic activity.

The invention discloses a preparation method of a photoelectric chemical chloramphenicol biosensor based on a two-dimension nanometer photoelectric material, and belongs to the technical field of novel nanometer function materials and biosensors. The preparation method comprises the steps of firstly preparing the novel two-dimension nanometer photoelectric material and loading a chloramphenicol antibody and fixing alkaline phosphatase through good biocompatibility and large specific surface area of the material, wherein the material is a two-dimension nanometer compound material Mn-TiO2-MoS2 which is formed by in-situ composition of manganese doped titanium dioxide diamonds and molybdenum disulfide. In detection, the alkaline phosphatase can catalyze L-ascorbic acid-2-trisodium phosphate AAP to in situ generate L-ascorbic acid AA and further can provide an electron donor for photoelectric detection, the light current intensity can be correspondingly reduced through the effect of quantitative combination of specificity of the antibody and antigen to electronic transmission capacity, and finally construction of the biosensor for detecting chloramphenicol through an mark-free photoelectric chemical method is achieved.

The invention discloses a preparation method of a photocatalyst with the advantages of no precious metal doping, low cost, simple preparation and high photocatalytic activity. The method is characterized in that the two-dimensional nano-sheet photocatalyst Mn-TiO2 / MoS2 is prepared through a one-pot technology by in-situ compounding of a manganese doped titanium dioxide nanosheet material to a manganese intercalated molybdenum disulfide nanosheet. The prepared Mn-TiO2 / MoS2 can be applied to the fields of photocatalytic water decomposition for producing hydrogen, photocatalytic degradation of organic pollutants and production of solar photovoltaic cells. The invention belongs to the technical fields of novel functional nano-materials and green energy.

The invention discloses a preparation method of a loaded double metal co-doped nanometer photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. In this method, iron and cobalt co-doped titanium dioxide nanosheets were in situ compounded on iron and cobalt co-intercalated molybdenum disulfide nanosheets, and iron and cobalt co-doped titanium dioxide nanocubes were in situ compounded molybdenum disulfide in one pot. The two-dimensional nanocomposite FeCo‑TiO2 / MoS2. The prepared FeCo‑TiO2 / MoS2 can be applied in the fields of photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants, and preparation of solar photovoltaic cells. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a photo-electrochemical diethylstilbestrol biosensor constructed based on a boron-doped poly-metallic oxide as well as preparation and application thereof. In a preparation method, firstly, a two-dimension nano material g-C3N4 is modified on ITO conductive glass by adopting an electro-deposition method; then, an iron cobalt hydroxide is subjected to in-situ growth by adopting a hydrothermal method, and further, a working electrode modified by a g-C3N4-loaded boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 is obtained; finally, a diethylstilbestrol antibody is loaded by utilizing good biocompatibility and large specific surface area of the material. During detection, as the boron-doped iron cobalt oxide Bi@NixFe1-xO3 / g-C3N4 can catalyze L-ascorbic acid-2-trisodium phosphate AAP, L-ascorbic acid AA is generated in situ, and further, an electron donor is provided for photoelectric detection; by utilizing the effect of specific quantitative binding of the antibody and an antigen on electronic transmission capacity, the photocurrent strength is correspondingly reduced, and the construction of a photoelectric sensor for detecting diethylstilbestrol by adopting an unmarked photo-electrochemical method is finally realized.

The invention discloses a preparation method of a photocatalyst with no noble metal doping, low cost, simple preparation and high photocatalytic activity. It belongs to the field of new nanometer functional materials and green energy technology. The molybdenum oxide / titanium dioxide composite nano-photocatalyst prepared by the invention is a two-dimensional nano-composite material Mn-MoO of in-situ composite manganese-doped molybdenum oxide / titanium dioxide nanosheets on carbon nitride. 3 / TiO 2 @g‑C 3 N 4 , with good photocatalytic activity.

The invention discloses a photoelectrochemical ethinylestradiol immunosensor based on two-dimensional multi-metal composite nanomaterial, preparation and application thereof. According to the preparation method, firstly electrodeposition process is employed to modify the two-dimensional nanomaterial g-C3N4 on ITO conductive glass, then a hydrothermal process is employed for in situ growth of cerium cobalt hydroxide, and then a g-C3N4 loaded boron doped cerium cobalt oxide Bi@CexCo1-xO3 / g-C3N4 modified working electrode can be prepared. Finally, the good biocompatibility and large specific surface area of the material are utilized for loading the ethinylestradiol antobody. During detection, the boron doped cerium cobalt oxide Bi@CexCo1-xO3 can catalyze L-ascorbic acid-2-trisodium phosphate salt AAP for in situ production of L-ascorbic acid AA, thus providing an electron donor for photoelectric detection, and then by means of the influence caused by specific quantitative binding of the antibody and antigen on electron transmission ability, the photocurrent intensity decreases along with the increasing of antigen binding amount, and ultimately construction of the photoelectric sensor for detection of ethinylestradiol by an unmarked photoelectrochemical method can be achieved.

The invention discloses a preparation method of a photoelectrochemical furazolidone sensor. It belongs to the technical field of new nanometer functional materials and biosensors. The present invention firstly prepares a novel bimetallic co-doped two-dimensional photosensitizer, i.e. FeMn-TiO2 / MoS2, a two-dimensional nano-composite material FeMn-TiO2 / MoS2 in-situ compounded by iron and manganese co-doped titanium dioxide nano-squares and molybdenum disulfide. Good biocompatibility and large specific surface area, loaded with furazolidone antibody, immobilized with alkaline phosphatase, during detection, because alkaline phosphatase can catalyze L-ascorbic acid-2-phosphate trisodium salt AAP in situ Produce L-ascorbic acid AA, and then provide electron donors for photoelectric detection, and then use the specific quantitative combination of antibodies and antigens to affect the electron transport ability, so that the photocurrent intensity is correspondingly reduced, and finally realized the use of label-free photoelectrochemical methods Construction of a photosensor for the detection of furazolidone.

The invention discloses a preparation method of a photoelectrochemical chloramphenicol biosensor based on a two-dimensional nano photoelectric material. It belongs to the technical field of new nanometer functional materials and biosensors. The present invention first prepares a novel two-dimensional nano-optoelectronic material, that is, a two-dimensional nano-composite material Mn-TiO in which manganese-doped titanium dioxide nano-squares are in-situ compounded with molybdenum disulfide. 2 / MoS 2 , using the good biocompatibility and large specific surface area of ​​the material, load chloramphenicol antibody and immobilize alkaline phosphatase. When performing detection, since alkaline phosphatase can catalyze L-ascorbic acid-2-phosphate The trisodium salt AAP produces L-ascorbic acid AA in situ, and then provides electron donors for photoelectric detection, and then uses the effect of specific quantitative binding of antibodies and antigens on the electron transport ability, so that the photocurrent intensity is correspondingly reduced, and finally realized the use of Construction of a biosensor for the detection of chloramphenicol by a label-free photoelectrochemical method.

The invention discloses a preparation method of a photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. In this method, manganese-doped titanium dioxide nanosheets were in-situ composited on manganese-intercalated molybdenum disulfide nanosheets, and a two-dimensional nanosheet photocatalyst MnTiO2 / MoS2 was prepared in one pot. The prepared Mn-TiO2 / MoS2 can be applied in the fields of photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants, and preparation of solar photovoltaic cells. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a method for preparing a cobalt-doped two-dimensional nano photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. In this method, cobalt-doped titania nanosheets were in situ compounded on cobalt-intercalated molybdenum disulfide nanosheets, and cobalt-doped two-dimensional nanophotocatalysts were in situ compounded molybdenum disulfide in cobalt-doped titania nano-squares. The two-dimensional nanocomposite Co‑TiO2 / MoS2. The prepared Co‑TiO2 / MoS2 can be applied in the fields of photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants, and preparation of solar photovoltaic cells. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a photoelectrochemical sensor for estradiol based on a boron-doped iron cobalt oxide two-dimensional nano composite material as well as a preparation method and application of the photoelectrochemical sensor. The preparation method comprises the following steps: firstly, modifying a two-dimensional nano material g-C3N4 on ITO (Indium Tin Oxide) conductive glass by adopting an electrodeposition method; secondly, carrying out in-situ grown of iron cobalt oxide by adopting a hydrothermal method, and further preparing to obtain a working electrode loaded with the g-C3N4, doped with boron and modified by the iron cobalt oxide Bi@Fe*Co<1->*O3 / g-C3N4; finally, loading an estradiol antibody by using good biocompatibility and large specific surface area of the material. During detection, L-ascorbic acid-2-trisodium phosphate (AAP) can be catalyzed by boron-doped iron cobalt oxide Bi@Fe*Co<1->*O3 to generate L-ascorbic acid AA in situ, further an electron donor is provided for photoelectric detection, and then photocurrent intensity is correspondingly reduced by using the influence of specific combination of the antibody and antigen on electronic transmission capacity; finally, the construction of the photoelectrochemical sensor for the estradiol by adopting a mark-free photoelectrochemical detection method is realized.

The invention discloses a preparation method of a photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. It belongs to the field of new nano functional materials and green energy technology. The nitrogen-doped titanium dioxide nanosheet photocatalyst prepared in the present invention is a nitrogen-doped titanium dioxide nanosheet FeMn-N@TiO2 in-situ compounded by iron and manganese bimetal, and has good photocatalytic activity.

The invention discloses a preparation method of a two-dimensional nano electrode material without noble metal doping, low cost, simple preparation and high photoelectric activity. In this method, copper-doped titania nanosheets were in situ composited on copper-intercalated molybdenum disulfide nanosheets, and a two-dimensional nanocomposite Cu‑TiO2, in which copper-doped titania nanosquares were in situ composited with molybdenum disulfide, was prepared in one pot. / MoS2. The prepared Cu‑TiO2 / MoS2 can be applied in the fields of solar photovoltaic cell preparation, photoelectrochemical sensor construction, photocatalytic water splitting hydrogen production, and photocatalytic degradation of organic pollutants. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a preparation method of a two-dimensional magnetic nano photocatalyst without noble metal doping, low cost, simple preparation and high photocatalytic activity. In this method, iron-doped titania nanosheets were in situ composited on iron-intercalated molybdenum disulfide nanosheets, and a two-dimensional nanocomposite FeTiO2 was prepared in situ with iron-doped titania nanosquares and molybdenum disulfide. / MoS2. The prepared FeTiO2 / MoS2 can be applied in the fields of photocatalytic water splitting for hydrogen production, photocatalytic degradation of organic pollutants, and preparation of solar photovoltaic cells. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a preparation method of a photoelectrochemical systemic phosphorus sensor. It belongs to the technical field of new nanometer functional materials and biosensors. The present invention firstly prepares a novel two-dimensional nano-optoelectronic material—cobalt-doped two-dimensional nano-optoelectronic material, that is, a two-dimensional nano-composite material Co-TiO2 / MoS2 in which cobalt-doped titanium dioxide nano-squares are in-situ compounded with molybdenum disulfide. The material has good biocompatibility and large specific surface area, loaded with Demeton antibody, immobilized with alkaline phosphatase, when performing detection, because alkaline phosphatase can catalyze L-ascorbic acid-2-trisodium phosphate The salt AAP produces L-ascorbic acid AA in situ, and then provides an electron donor for photoelectric detection, and then uses the effect of the specific quantitative binding of antibody and antigen on the electron transport ability, so that the photocurrent intensity is correspondingly reduced, and finally realizes the use of label-free Construction of photosensors for the detection of systemic phosphorus by photoelectrochemical methods.

The invention discloses a preparation method of a photocatalyst with no noble metal doping, low cost, simple preparation and high photocatalytic activity. It belongs to the field of new nanometer functional materials and green energy technology. The two-dimensional nano-sheet photocatalyst prepared by the present invention is manganese-doped titanium dioxide nano-sheet in-situ composite carbon nitride two-dimensional nano-composite material Mn TiO 2 / g‑C 3 N 4 , with good photocatalytic activity.

The invention discloses a method for preparing a double-metal co-doped two-dimensional nanometer electrode material with no noble metal doping, low cost, simple preparation and high photoelectrochemical activity. In this method, iron and manganese co-doped titanium dioxide nanosheets were in situ composited on iron and manganese co-intercalated molybdenum disulfide nanosheets, and iron and manganese co-doped titanium dioxide nano-squares were in situ composited molybdenum disulfide in one pot. The two-dimensional nanocomposite FeMn‑TiO2 / MoS2. The prepared FeMn-TiO2 / MoS2 can be applied in the fields of solar photovoltaic cell preparation, photoelectrochemical sensor construction, photocatalytic water splitting hydrogen production, and photocatalytic degradation of organic pollutants. The invention belongs to the technical field of novel nano functional materials and green energy.

The invention discloses a preparation method of a photoelectrochemical dimeform sensor. It belongs to the technical field of new nanometer functional materials and biosensors. The present invention firstly prepares a novel load-type bimetallic co-doped photosensitizer, that is, FeCoTiO2 / MoS2, a two-dimensional nanocomposite material FeCoTiO2 / MoS2 in situ compounded by iron and cobalt codoped titanium dioxide nano-squares and molybdenum disulfide. Good biocompatibility and large specific surface area, loaded with dimeform antibody, immobilized with alkaline phosphatase, during detection, because alkaline phosphatase can catalyze L-ascorbic acid-2-phosphate trisodium salt AAP L-ascorbic acid AA is generated in situ, and then provides an electron donor for photoelectric detection, and then uses the effect of the specific quantitative binding of antibody and antigen on the electron transport ability, so that the photocurrent intensity is correspondingly reduced, and finally realizes the use of label-free photoelectric detection. Construction of a photoelectric sensor for the chemical detection of dimeform.

The invention discloses a carbon nitride-binary metal boron oxide composite material-based bisphenol A photochemical sensor and preparation and application thereof. The preparation comprises the steps of firstly modifying a two-dimensional nano material g-C3N4 on ITO conductive glass by adopting an electrodeposition method; growing nickel-cobalt hydroxide in situ by adopting a hydrothermal method to prepare a g-C3N4-loaded and boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 / g-C3N4-modified working electrode; and finally loading a bisphenol A antibody by adopting good biocompatibility and large specific surface area of the material, thereby completing preparation of the bisphenol A photochemical sensor. When the detection is implemented, L-ascorbic acid-2-trisodium phosphate APP can be catalyzed by the boron-doped nickel-cobalt oxide Bi@NixCo<1-x>O3 to generate the L-ascorbic acid AA in situ, so that an electron donor is provided for photoelectric detection, the photocurrent strength is correspondingly reduced by utilizing the influence on the electronic transmission capability caused by the specificity quantitative combination of the antibody and antigen, and construction of a photoelectric sensor for detecting the bisphenol A by using an unmarked photoelectrochemical technique is finally achieved.