164 results about "Hybrid solar cell" patented technology

Organic and organic/inorganic hybrid bulk heterojunction photovoltaic devices with improved efficiencies are disclosed. The organic photovoltaic device comprises a photoactive polymer:fullerene C₆₀-carbon nanotube (polymer:C₆₀-CNT) composite as a component of the active layer. Under light irradiation, photoinduced charge separation at the polymer:C₆₀ interface is followed by electron transfer from C₆₀ onto CNTs for efficient electron transport towards an electrode. The organic/inorganic hybrid photovoltaic device comprises quantum dots and carbon nanotubes. Power conversion efficiency enhancement methods of polymer-CNT based photovoltaics are also provided.

A polymer gel hybrid solar cell which reach a light to energy conversion efficiency as high as 9.2% with 100 mW/cm², and as high as 14.1% with reduced light intensity of 33 mW/cm².

A hyperbranched semiconductor nanocrystal particle, which includes a first arm, where the first arm has an intermediate portion and opposing terminal portions, and a second arm, extending from the intermediate portion of the first arm.

Provided is a solar cell including: a first electrode; an electron transport layer positioned on the first electrode; a light absorber; a hole transport layer; and a second electrode, wherein the light absorber contains a solid-solution of at least two organic-metal halides with a perovskite structure, having different compositions from each other.

The invention relates to high-ionic conductivity electrolyte compositions. The invention particularly relates to high-ionic conductivity electrolyte compositions of semi-interpenetrating polymer networks and their nanocomposites as quasi-solid/solid electrolyte matrix for energy generation, storage and delivery devices, in particular for hybrid solar cells, rechargeable batteries, capacitors, electrochemical systems and flexible devices. The binary or ternary component semi-interpenetrating polymer network electrolyte composition comprises: a) a polymer network with polyether backbone (component I); b) a low molecular weight linear, branched, hyper-branched polymer or any binary combination of such polymers with preferably non-reactive end groups (component-ll and/or component-Ill, for formation of ternary semi-IPN system); c) an electrolyte salt and/or a redox pair, and optionally d) a bare or surface modified nanostructured material to form a nanocomposite.

A hybrid solar cell with an aluminum-doped zinc oxide nanorod as the electron transfer layer is composed of a transparent conducting glass substrate, the aluminum-doped zinc oxide nanorod electron transfer layer, a layered perovskite-like hybrid material CH3NH3PbX3(wherein X is Cl, or Br or I),2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene hole transfer layer and an Au metal back electrode layer, wherein all the parts form a laminated structure in sequence. The hybrid solar cell with the aluminum-doped zinc oxide nanorod as the electron transfer layer has the advantages that due to the fact that the aluminum-doped zinc oxide nanorod is used as the electron transfer layer in the hybrid solar cell, the specific surface area is large, electron-transport capacity is high, electron-hole combination is effectively restrained, and photoelectric conversion efficiency is high; the manufacturing method and technique are simple, reaction temperature is low, efficiency is high, raw materials are rich, cost is low, and environmental friendliness is achieved. The hybrid solar cell with the aluminum-doped zinc oxide nanorod as the electron transfer layer is suitable for industrialized large-scale production.

The invention discloses an organic-inorganic hybridization solar battery which comprises a metal backing electrode, an n-type silicon substrate layer, a silicon nanometer wire array and a battery positive electrode and also comprises a p-type cavity transmission shell layer, wherein the p-type cavity transmission shell layer is a conjugated organic matter semiconductor thin film; the metal backing electrode is arranged on the lower surface of the n-type silicon substrate layer; the silicon nanometer wire array is arranged on the upper surface of the n-type silicon substrate layer; the surfaceof a silicon nanometer wire in the silicon nanometer wire array is covered by the layer of p-type cavity transmission shell layer; and the battery positive electrode is arranged on the p-type cavity transmission shell layer. As a three-dimensional radial p-n junction hybridization structure formed by the silicon nanometer wire array and the conjugated organic matter is adopted in the organic-inorganic hybridization solar battery, on one hand, the absorption of light is increased, the usage amount of silicon is reduced, the purify requirement on the silicon is reduced, on the other hand, the transmission range of current carriers is shortened, the problem that the current carriers are easy to combine is reduced, and the photoelectric conversion efficiency is improved.

Provided is a hybrid solar cell with Cs mingling with ZnO as an electron transfer layer. The hybrid solar cell with the Cs mingling with the ZnO as the electron transfer layer is composed of a transparent conductive glass substrate, a Cs mingling with ZnO nanorod electron transfer layer, layered perovskite hybrid materials CH3NH3PbX3(wherein X is C1, Br or I), a 2, 2', 7 and 7'- four [N, N - two (four - methoxy phenyl) amidogen] - 9, 9' - spirobifluorene hole transport layer and an Au metal back electrode layer which sequentially form a layered structure in a combining mode. The hybrid solar cell with the Cs mingling with the ZnO as the electron transfer layer has the advantages that the Cs mingling with the ZnO as the electron transfer layer is used in the hybrid solar cell, compared with zinc oxide, 2-3 orders of magnitude of electronic transmission capacity are improved, the recombination of electron-hole is effectively constrained, and the photoelectric conversion efficiency is high; the preparing method of the hybrid solar cell is simple in process, low in reaction temperature, high in efficiency, rich in raw material, low in cost, environmentally friendly, free of pollution, and suitable for industrial mass production.

A hybrid photovoltaic cell comprising a composite substrate of a nanotube or nanorod array of metal oxide infiltrated with a monomer precursor and subsequently polymerized in situ via UV irradiation. In an embodiment, the photovoltaic cell comprises an electron accepting TiO₂ nanotube array infiltrated with a photo-sensitive electron donating conjugated polymer. The conjugated polymer may be formed in situ through UV irradiation polymerizing a monomer precursor such as 2,5-diiodothiophene (DIT).

Disclosed is a method, process, solar cell design, and fabrication technology for high-efficiency, low-cost, crystalline silicon (Si) solar cells including but not restricted to solar grade single crystal Si (c-Si), multi-crystalline Si (mc-Si), poly-Si, and micro-Si solar cells and solar modules. The RTWCG solar cell fabrication technology creates a RTWCG SiOx thin film antireflection coating (ARC) with a graded index of refraction and a selective emitter (SE). The resulting top surface of the SiOx oxide can be textured (TO) concomitant with the growth process or through an additional mild wet chemical step.

Methods, systems and apparatus for a solar cell integrating photovoltaic and thermoelectric cell elements to form a hybrid solar cell. The cell has increased efficiency and longevity by combining operations of the photovoltaic and thermoelectric elements in at least three different modes of operation to increase electrical output per unit of panel area and to increase cell life, improve performance, and provide operational benefits under different environmental conditions.

The invention provides an organic hybrid solar cell with a perovskite structured light absorbing material, and a manufacturing method thereof. The organic hybrid solar cell comprises the following components successively: a conductive substrate, an electric hole transmission layer, an active layer, an electric hole barrier layer and a cathode. The active layer comprises a light absorbing material layer and an electronic receiving layer. The light absorbing material layer has a perovskite light absorbing material which is represented by a formula: CnH2n+1NH3XY3, wherein n is a positive integer in 1-9; and X is lead, tin or germanium; and Y is at least one selected from iodine, bromine and chlorine. The electronic receiving layer is provided with at least one fullerene or a derivative thereof. A planar hybrid heterogeneous joint surface is arranged between the light absorbing material layer and the electronic receiving layer. The light absorbing material layer has advantages of simple structure, easy manufacture and relatively low cost. Therefore batch production of flexible and all-solid-state organic hybrid solar cells is facilitated.

The invention discloses an organic/inorganic hybrid solar cell and a preparation method thereof. A ZnO nanorod array which is vertically grown on an ITO substrate is taken as a template, and a ZnO-CdS heterogeneous core shell structure nanorod array with a core of ZnO and a shell of CdS is prepared. Through compounding a polymer and the ZnO-CdS heterogeneous core shell structure nanorod array, a solar cell with an anode of ITO and a cathode of an Au film is prepared. When thickness of the CdS shell is about 6 nm, cell performance is best, open-circuit voltage reaches 0.89 V, short circuit current is 2.83 mA/cm<2>, and conversion efficiency reaches 0.74%. Compared with a pure ZnO nanorod array cell, open-circuit voltage of a ZnO-CdS array cell is raised by 170%, short circuit current of the ZnO-CdS array cell is increased by 146%, and conversion efficiency of the ZnO-CdS array cell is raised by 517%.

A hybrid solar cell device comprising: a substrate material (substrate), an electrode material (EM), a hole transport material (HTM), a dye material (dye), and a semiconductive oxide layer (SOL), wherein a structure of the hybrid solar cell device is selected from a group consisting of:

Substrate+EM/HTM/dye/SOL/EM, or

Substrate+EM/SOL/dye/HTM/EM, or

Substrate+EM/HTM/SOL/EM, and

wherein the EM is selected from a group consisting of a transparent conductive oxide (TCO), a transparent conductive polymer or a transparent organic material, and a metal, with at least one of the EM layer(s) of the hybrid solar cell being a TCO, and wherein the SOL comprises a dense semiconductive oxide layer.

Provided is a method for manufacturing a solar cell including: a) forming an electron transport layer on a first electrode; b) forming a light absorber by applying a light absorber solution as a solution for forming a light absorber containing an organic-metal halide having a perovskite structure, the light absorber solution containing an organic halide and a metal halide dissolved therein so as to have a non-stoichiometric ratio based on the organic-metal halide; c) forming a hole conduction layer by applying and drying a hole transport solution in which an organic hole transport material is dissolved; and d) forming a second electrode, which is a counter electrode of the first electrode, on the hole conduction layer.

Passivated emitter rear local epitaxy (PERL-e) thin Si solar cells may be formed with a heavily doped epitaxial back surface field (BSF) layer, which is patterned to form well spaced point contacts to the silicon base on the rear of the solar cell. The back side of the cell may be finished with a dielectric passivation layer and a metallization layer for making electrical contact to the cell. PERL-e thick Si solar cells may be formed with heavily doped epitaxial films as the back point contacts, where the point contacts are defined by the provision of a selectively patterned thermal oxide on the rear wafer surface. Furthermore, absorption of longer wavelength, infrared (IR), light in thin silicon solar cells may be improved by the addition of a dielectric stack on the rear surface of the solar cell (a back reflector).

The invention discloses an organic-inorganic hybrid solar cell with a passivated organic thin film. The solar cell mainly comprises a front face silver fence electrode, an organic electricity conducting thin film, an n-type monocrystalline silicon substrate processed through alkylate, and a back face aluminum electrode or an indium gallium alloy electrode, and further comprises an organic thin film passivated layer covering the front face of the n-type monocrystalline silicon substrate processed through alkylate. The organic electricity conducting thin film is covered on the organic thin film passivated layer. The front face silver fence electrode is arranged on the organic electricity conducting thin film. The back face aluminum electrode or the indium gallium alloy electrode is covered on the back face of the n-type monocrystalline silicon substrate processed through alkylate and forms ohmic contact with the back face of the n-type monocrystalline silicon substrate processed through alkylate. According to the method, a single rotating coating method is used to form various organic passivated films on the silicon surface, and the organic-inorganic hybrid heterojunction solar cell which is based on the organic thin film passivated layer and reaches 11% in photoelectric converting rate is formed.

The invention discloses a preparation method of a PEDOT:PSS-MoO3/silicon nanowire array organic-inorganic hybrid solar cell and belongs to the technical field of photovoltaic materials. The preparation method is characterized by including: using water-soluble MoO3 as a dopant of PEDOT:PSS to form a PEDOT:PSS-MoO3 solution; spin-coating the PEDOT:PSS-MoO3 solution on a silicon substrate with a silicon nanowire array to form a transparent thin film. The silicon organic-inorganic hybrid cell adopts PEDOT:PSS-MoO3 as a hole transmission layer, so that energy conversion efficiency of the silicon hybrid solar cell is improved, acidity of PEDOT:PSS is lowered, and device stability is improved. The preparation method has low requirements on preparation environment and does not need high-temperature vacuum equipment, so that photoelectric conversion efficiency of the silicon solar cell is improved effectively.

Disclosed is an apparatus and method for improved efficiency in the collection of solar energy, in which an energy conversion device is provided that includes a first zone for converting received solar energy into thermal energy, the first zone having a Fresnel lens, and a heat absorption layer with heat collectors embedded therein. The energy conversion device also includes a second zone positioned at a lower level of first energy zone for converting received solar energy into electrical energy utilizing a photovoltaic cell.

The invention relates to a preparation method of a metal-halide-doped organic hole transporting layer. The preparation method includes: mixing organic hole transporting material and organic solvent to prepare organic hole transporting material solution; mixing metal halide and organic solvent to prepare metal halide dopant solution; mixing the organic hole transporting material solution and the metal halide dopant solution to form mixed solution; and spin-coating a substrate with the mixed solution, and heating and drying to obtain the hole transporting layer. The invention further discloses the organic hole transporting layer prepared by the method, and a solar cell with the organic hole transporting layer. The preparation method is simple. The number of carriers of the prepared organic hole transporting layer is increased, hole mobility and conductivity of the hole transporting layer are increased evidently, energy band position of the hole transporting layer is changed, the hole transporting layer has better photoelectric property, and the hole transporting layer is well applicable to the devices such as dye-sensitized solar cells, organic solar cells, and organic-inorganic hybrid solar cells.

A low-cost method is provided for forming a photovoltaic device, which is a high-performance nanostructured multijunction cell. The multiple P-N junctions or P-I-N junctions are contiguously joined to form a single contiguous P-N junction or a single contiguous P-I-N junction. The photovoltaic device integrates vertically-aligned semiconductor nanowires including a doped semiconductor material with a thin silicon layer having an opposite type of doping. This novel hybrid cell can provide a higher efficiency than conventional photovoltaic devices through the combination of the enhanced photon absorptance, reduced contact resistance, and short carrier transport paths in the nanowires. Room temperature processes or low temperature processes such as plasma-enhanced chemical vapor deposition (PECVD) and electrochemical processes can be employed for fabrication of this photovoltaic device in a low-cost, scalable, and energy-efficient manner.

The hybrid solar collector and geothermal system collects low grade heat energy derived from the sun. A simple heat engine converts this energy using conventional methods of power conversion. By exploiting the difference in temperature between the Hybrid Solar collector and the Geothermal heat sink, mechanical energy is converted into electrical energy without the use of combustion. The device does not produce any CO₂ because it does not use combustion to produce electricity.

The invention relates to a silicon-PEDOT: PSS hybrid solar cell and a preparation method thereof for improving the photoelectric conversion efficiency of the silicon-PEDOT: PSS hybrid solar cell. Thepreparation method of the silicon-PEDOT: PSS hybrid solar cell comprises the steps of: cleaning a silicon substrate; passivating the surface of the silicon substrate; preparing a silicon nano-wire/PEDOT: PSS composite film; preparing a PEDOT: PSS/cuprous sulfide nano-particle/graphene oxide composite conductive layer; preparing a back interface layer; preparing a front silver gate electrode; and preparing a back electrode.