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

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 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 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.