摘要:
A solar cell includes: a semiconductor substrate having a first surface and a second surface opposite the first surface; uneven patterns disposed on at least one of the first surface and the second surface of the semiconductor substrate; a first impurity layer disposed on the uneven patterns and which includes a first part having a first doping concentration and a second part having a second doping concentration greater than the first doping concentration; and a first electrode which contacts the second part of the first impurity layer and does not contact the first part of the first impurity layer.
摘要:
A solar cell includes: a semiconductor substrate having a first surface and a second surface opposite the first surface; uneven patterns disposed on at least one of the first surface and the second surface of the semiconductor substrate; a first impurity layer disposed on the uneven patterns and which includes a first part having a first doping concentration and a second part having a second doping concentration greater than the first doping concentration; and a first electrode which contacts the second part of the first impurity layer and does not contact the first part of the first impurity layer.
摘要:
A method of manufacturing a photovoltaic device includes preparing a semiconductor substrate having a light incidence surface receiving light and including single crystalline silicon, wet-etching the light incidence surface to form a plurality of first protrusions on the light incidence surface, dry etching a plurality of surfaces of the first protrusions to form a plurality of second protrusions on the plurality of surfaces of the first protrusions, and forming a semiconductor layer on the light incidence surface. The method further includes forming a first electrode on the semiconductor layer and forming a second electrode on a rear surface of the semiconductor substrate facing the light incidence surface.
摘要:
An inspecting apparatus for a solar cell and an inspecting method are provided. The inspecting apparatus for the solar cell includes a head unit having a plurality of probe units, a rotation unit rotating the head unit according to an interval of cells of the solar cell, a controller controlling a rotation angle of the head unit by controlling the rotation unit, and a wire unit connected to the head unit to be electrically connected to the probe units.
摘要:
In one or more embodiments of a photovoltaic device and a method of manufacturing the photovoltaic device, a first conductive layer, a first light-absorbing layer and a second conductive layer may be formed on a substrate, in sequence. A temperature for forming the second conductive layer may be lower than a temperature for forming the first conductive layer and a temperature for forming the first light-absorbing layer.
摘要:
A solar cell module includes a bottom module layer formed on a first substrate and absorbing a greater fraction of light energy in a first wavelength band than in a second wavelength band. The first wavelength band includes a shorter wavelength than any wavelength in the second wavelength band. A top module layer is formed on the bottom module layer to absorb a greater fraction of light energy in the second wavelength band than in the first wavelength band. A second substrate is formed on the top module layer. A reflecting filter is provided between the bottom module layer and the top module layer. The reflecting filter reflects a greater fraction of light energy in the first wavelength band than in the second wavelength band and transmits a greater fraction of light energy in the second wavelength band than in the first wavelength band.
摘要:
Provided is a method of manufacturing a photovoltaic device using a Joule heating-induced crystallization method. The method includes: forming a first conductive pattern on a substrate; forming a photoelectric conversion layer on the substrate having the first conductive pattern; and crystallizing at least part of the photoelectric conversion layer by applying an electric field to the photoelectric conversion layer, wherein the photoelectric conversion layer includes a first amorphous semiconductor layer containing first impurities, a second intrinsic, amorphous semiconductor layer, and a third amorphous semiconductor layer containing second impurities.
摘要:
A method for manufacturing a solar cell is provided. The manufacturing method includes: depositing a transparent conductive layer on a substrate; patterning the transparent conductive layer; forming a semiconductor layer including deposited on the patterned transparent conductive layer; patterning the semiconductor layer; coating a metal powder on the patterned semiconductor layer; forming a rear electrode layer on the semiconductor layer coated with the metal powder; and patterning the rear electrode layer and the semiconductor layer. This method is useful for producing a solar cell with improved light absorption efficiency.
摘要:
Provided is a method of manufacturing a photovoltaic device using a Joule heating-induced crystallization method. The method includes: forming a first conductive pattern on a substrate; forming a photoelectric conversion layer on the substrate having the first conductive pattern; and crystallizing at least part of the photoelectric conversion layer by applying an electric field to the photoelectric conversion layer, wherein the photoelectric conversion layer includes a first amorphous semiconductor layer containing first impurities, a second intrinsic, amorphous semiconductor layer, and a third amorphous semiconductor layer containing second impurities.
摘要:
A photovoltaic device including a semiconductor substrate having a first surface and a second surface, the second surface being opposite to the first surface; a first passivation layer on the first surface; and a second passivation layer on the second surface, wherein each of the first passivation layer and the second passivation layer comprises an aluminum-based compound, is disclosed. A method of preparing a photovoltaic device, the method including: forming a semiconductor substrate to have a first surface and a second surface, the second surface being opposite to the first surface; forming an emitter region and a back surface field (BSF) region at the second surface; and forming a first passivation layer on the first surface and a second passivation layer on the second surface, wherein the first passivation layer and the second passivation layer are formed concurrently, is also disclosed.