Abstract: An infrared detector includes a thermoelectric element, an infrared light absorber located on the thermoelectric element, and an electrical signal detecting element. The infrared light absorber includes a plurality of carbon nanotubes entangled with each other to form a network structure and a plurality of carbon particles in the network structure. The electrical signal detecting element is configured to detect a change of an electrical signal of the thermoelectric element.

Abstract: A solar heat collector includes a container, a transparent cover plate located on the container, a thermal insulation material located inside of the container to form an insulation space, and a heat absorption plate located in the insulation space. The heat absorption plate includes a base and a coating located on the base, and the coating includes a plurality of carbon nanotubes entangled with each other to form a network structure and a plurality of carbon particles in the network structure.

Abstract: A method for making a field effect transistor includes providing a graphene nanoribbon composite structure. The graphene nanoribbon composite structure includes a substrate and a plurality of graphene nanoribbons spaced apart from each other. The substrate includes a plurality of protrusions spaced apart from each other, and one of the plurality of graphene nanoribbons is on the substrate and between two adjacent protrusions. An interdigital electrode is placed on the graphene nanoribbon composite structure, and the interdigital electrode covers the plurality of protrusions and is electrically connected to the plurality of graphene nanoribbons.

Abstract: A method for making a field effect transistor includes providing a graphene nanoribbon composite structure. The graphene nanoribbon composite structure includes a substrate and a plurality of graphene nanoribbons spaced apart from each other. The plurality of graphene nanoribbons are located on the substrate and extend substantially along a same direction, and each of the plurality of graphene nanoribbons includes a first end and a second end opposite to the first end. A source electrode is formed on the first end, and a drain electrode is formed on the second end. The source electrode and the drain electrode are electrically connected to the plurality of graphene nanoribbons. An insulating layer is formed on the plurality of graphene nanoribbons, and the plurality of graphene nanoribbons are between the insulating layer and the substrate. A gate is formed on a surface of the insulating layer away from the substrate.

Abstract: A method for making a graphene nanoribbon composite structure includes providing a substrate including a plurality of protrusions spaced apart from each other. A graphene film is grown on a growth substrate, an adhesive layer is on a surface of the graphene film away from the growth substrate. After removing the growth substrate, the graphene film and the adhesive layer are cleaned with water or an organic solvent. The graphene film, the adhesive layer, and the substrate are combined and then are dried, so that a plurality of wrinkles are formed near the plurality of protrusions. The adhesive layer is removed, and after etching a surface of the graphene film away from the substrate, the graphene films except for the plurality of wrinkles are removed, to form a plurality of graphene nanoribbons.

Abstract: The embodiments of the present disclosure provide a photovoltaic module including a base plate, a cell string and a cover plate stacked in order; a first packaging layer located between the base plate and the cover plate and surrounding the cell string, the first packaging layer, the base plate and the cover plate defining a sealed space; and a moisture treatment layer located in the sealed space. The moisture treatment layer includes at least one of a functional layer and a moisture detection layer. The functional layer is adaptive to absorb moisture and be converted into a solidified layer, the solidified layer has a degree of cross linking greater than a degree of cross linking of the functional layer. The moisture detection layer is adaptive to detect and determine whether there is moisture in the sealed space through response information of the moisture detection layer.

Abstract: The present disclosure provides a back-contact solar cell and a solar cell module. The back-contact solar cell includes: a substrate including a light-receiving surface and a back surface opposite to the light-receiving surface, wherein the substrate includes a center region and connecting regions on opposite sides of the center region; positive electrodes and negative electrodes disposed on the back surface of the substrate; auxiliary positive electrodes, disposed on one or both of the light-receiving surface and a side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of positive electrodes; and auxiliary negative electrodes, disposed on one or both of the light-receiving surface and the side surface of each of the connecting regions, and configured to be electrically coupled to the plurality of negative electrodes.

Abstract: Provided is a solar cell and a method for manufacturing the same, the method includes: forming a doped layer on a surface of a semiconductor substrate, the doped layer having a first doping concentration of a doping element in the doped layer; depositing, on a surface of the doped layer, a doped amorphous silicon layer including the doping element; selectively removing at least one region of the doped amorphous silicon layer; performing annealing treatment, for the semiconductor substrate to form a lightly doped region having the first doping concentration and a heavily doped region having a second doping concentration in the doped layer, the second doping concentration is greater than the first doping concentration; and forming a solar cell by post-processing the annealed semiconductor substrate. The solar cell and the method for manufacturing the same simplify the manufacturing process and improve conversion efficiency of the solar cell.

Abstract: The embodiments of the present disclosure provide a photovoltaic module including a base plate, a cell string and a cover plate stacked in order; a first packaging layer located between the base plate and the cover plate and surrounding the cell string, the first packaging layer, the base plate and the cover plate defining a sealed space; and a moisture treatment layer located in the sealed space. The moisture treatment layer includes at least one of a functional layer and a moisture detection layer. The functional layer is adaptive to absorb moisture and be converted into a solidified layer, the solidified layer has a degree of cross linking greater than a degree of cross linking of the functional layer. The moisture detection layer is adaptive to detect and determine whether there is moisture in the sealed space through response information of the moisture detection layer.

Abstract: The object of the present invention is to provide a method for growing a large-size crystal by laser assisted heating and a dedicated device. The device comprises a laser core heating device, a xenon lamp surface heating device, a base, a vacuum cavity and etc. When a crystal is prepared, seeding and crystal growing are implemented by a xenon lamp-laser synergetic heating mode. According to the present invention, the structure and functions of the dedicated device are designed to introduce, at the center of a float melting zone, a laser heating source having high precision and strong controllability, so that a composite heating mode with xenon lamp surface heating and laser core heating is formed; and combined with the control of process, the method and the device solve the difficulty in growing a large-size test crystal bar and enable the growth of the crystal bar having a diameter up to 35 mm so as to facilitate engineering uses.

Abstract: A solar cell and a photovoltaic module including the solar cell. The solar cell includes: a semiconductor substrate including a first surface and a second surface opposite to each other; a first dielectric layer located on the first surface; a first N+ doped layer located on a surface of the first dielectric layer; a first passivation layer located on a surface of the first N+ doped layer; a first electrode located on a surface of the first passivation layer; a second dielectric layer located on the second surface; a first P+ doped layer located on a surface of the second dielectric layer; a second passivation layer located on a surface of the first P+ doped layer; and a second electrode located on a surface of the second passivation layer.

Abstract: Provided is a solar cell and a method for manufacturing the same, the method includes: forming a doped layer on a surface of a semiconductor substrate, the doped layer having a first doping concentration of a doping element in the doped layer; depositing, on a surface of the doped layer, a doped amorphous silicon layer including the doping element; selectively removing at least one region of the doped amorphous silicon layer; performing annealing treatment, for the semiconductor substrate to form a lightly doped region having the first doping concentration and a heavily doped region having a second doping concentration in the doped layer, the second doping concentration is greater than the first doping concentration; and forming a solar cell by post-processing the annealed semiconductor substrate. The solar cell and the method for manufacturing the same simplify the manufacturing process and improve conversion efficiency of the solar cell.

Abstract: A thin film transistor includes a gate electrode, a insulating medium layer and at least one Schottky diode unit. The at least one Schottky diode unit is located on a surface of the insulating medium layer. The at least one Schottky diode unit includes a first electrode, a semiconductor structure and a second electrode. The semiconductor structure comprising a first end and a second end. The first end is laid on the first electrode, the second end is located on the surface of the insulating medium layer. The semiconducting structure includes a nano-scale semiconductor structure. The second electrode is located on the second end.

Abstract: Provided is a solar cell and a method for manufacturing the same, the method includes: forming a doped layer on a surface of a semiconductor substrate, the doped layer having a first doping concentration of a doping element in the doped layer; depositing, on a surface of the doped layer, a doped amorphous silicon layer including the doping element; selectively removing at least one region of the doped amorphous silicon layer; performing annealing treatment, for the semiconductor substrate to form a lightly doped region having the first doping concentration and a heavily doped region having a second doping concentration in the doped layer, the second doping concentration is greater than the first doping concentration; and forming a solar cell by post-processing the annealed semiconductor substrate. The solar cell and the method for manufacturing the same simplify the manufacturing process and improve conversion efficiency of the solar cell.

Abstract: A pseudo-boehmite has a dry basis content of 55-85 wt % and contains a phosphoric acid ester group. The sodium oxide content is not greater than 0.5 wt %, and the phosphorus content (in terms of phosphorus pentoxide) is 1.2-5.7 wt %, relative to 100 wt % of the total weight of the pseudo-boehmite. The pseudo-boehmite has a low sodium content.

Abstract: An infrared detector is provided, and the infrared detector includes: a thermoelectric element; an infrared light absorber, located on and in contact with the thermoelectric element, and configured to absorb infrared light and convert infrared light into heat; an electrical signal detector, electrically connected to the thermoelectric element and configured to detect a change in electrical performance of the thermoelectric element; wherein the infrared light absorber includes a carbon nanotube array, the carbon nanotube array includes a plurality of carbon nanotubes, a height of the plurality of carbon nanotubes are substantially the same, and the plurality of carbon nanotubes are perpendicular to the thermoelectric element.

Abstract: The disclosure relates to a hydrophobic film according to one embodiment is provided. The hydrophobic film includes a flexible substrate and a hydrophobic layer. The flexible substrate comprises a flexible base and a patterned first bulge layer located on a surface of the flexible base. The hydrophobic layer is located on the surface of the patterned first bulge layer.

Abstract: A hydrophobic film is provided. The hydrophobic film includes a flexible substrate; a hydrophobic layer located on the flexible substrate, a heating layer, a first electrode and a second electrode spaced apart from the first electrode. The hydrophobic layer comprises a base and a patterned bulge layer on a surface of the base away from the flexible substrate. The heating layer is on a surface of the flexible substrate away from the hydrophobic layer. The first electrode and the second electrode are electrically connected to and in direct contact with the heating layer.

Abstract: Provided is a solar cell, a shingled photovoltaic module, and a method for manufacturing solar cell, the solar cell includes a body portion, a first extending portion and a second extending portion provided at two ends of the body portion; a thickness of the body portion is greater than a thickness of the first extending portion and a thickness of the second extending portion. In the shingled photovoltaic module, adjacent solar cells can be electrically connected through the first extending portion and the second extending portion, and the adjacent solar cells do not need to be stacked in a thickness direction to achieve electrical connection, so that space in the thickness direction occupied by the stacked solar cells is reduced, and light-receiving area of the solar cell is not decreased, thereby improving photoelectric conversion efficiency of the solar cell, reducing the number of solar cells required, and saving cost.

Abstract: A photovoltaic cell array and a photovoltaic module are provided. The photovoltaic cell array includes multiple solar cells and a flexible metal conductive strip. Each of an upper surface and a lower surface of each solar cell is arranged with a segment electrode. In adjacent two solar cells which are respectively referred to as a first solar cell and a second solar cell, the segment electrode on the lower surface of the first solar cell is connected with the segment electrode on the upper surface of the second solar cell by the flexible metal conductive strip. The photovoltaic cell array has a stack structure in a normal direction of the upper surface of the solar cell, and a connection region at which the segment electrode is connected with the flexible metal conductive strip is located outside an overlapped region of the stack structure.