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Solar cell with color modulation and preparation method thereof

A solar cell and modulation technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of cumbersome preparation methods, difficult to reduce product manufacturing costs, and high prices, and achieve simple preparation methods, low manufacturing costs, and reasonable structure. Effect

Active Publication Date: 2019-02-19
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this product can be used as a colored solar cell, it has shortcomings with its preparation method. First, the price of fluoride and yttrium oxide in the product is on the high side, which makes it difficult to reduce the manufacturing cost of the product and restricts its commercial use. application; secondly, the preparation method is too cumbersome, which further increases the cost of manufacturing

Method used

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  • Solar cell with color modulation and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The concrete steps of preparation are:

[0031] Step 1, using the nanosphere template method to make an ordered mask on the surface of the silicon substrate; wherein, the silicon substrate is a single crystal silicon substrate, and the process of using the nanosphere template method to make an ordered mask is to make a single layer dense After the row of polystyrene colloidal nanospheres with a diameter of 500nm is transferred to the surface of the silicon substrate, the diameter of the nanospheres is reduced to 90-95nm, and then, using the colloidal sphere template as a mask, the silicon substrate is deposited by electron beam evaporation equipment. A gold film with a thickness of 20 nm was evaporated on the surface of the bottom to obtain a silicon substrate covered with an ordered gold mask. Then use a wet process to etch an ordered nanowire array on the silicon substrate covered with an ordered gold mask; wherein, the process of using a wet process to etch an ordere...

Embodiment 2

[0034] The concrete steps of preparation are:

[0035] Step 1, using the nanosphere template method to make an ordered mask on the surface of the silicon substrate; wherein, the silicon substrate is a single crystal silicon substrate, and the process of using the nanosphere template method to make an ordered mask is to make a single layer dense After the row of polystyrene colloidal nanospheres with a diameter of 750nm is transferred to the surface of the silicon substrate, the diameter of the nanospheres is reduced to 100-108nm, and then, using the colloidal ball template as a mask, the silicon substrate is deposited by electron beam evaporation equipment. A gold film with a thickness of 23nm was evaporated on the surface of the bottom to obtain a silicon substrate covered with an ordered gold mask. Then use a wet process to etch an ordered nanowire array on the silicon substrate covered with an ordered gold mask; wherein, the process of using a wet process to etch an ordered...

Embodiment 3

[0038] The concrete steps of preparation are:

[0039] Step 1, using the nanosphere template method to make an ordered mask on the surface of the silicon substrate; wherein, the silicon substrate is a single crystal silicon substrate, and the process of using the nanosphere template method to make an ordered mask is to make a single layer dense After the row of polystyrene colloidal nanospheres with a diameter of 1000nm is transferred to the surface of the silicon substrate, the diameter of the nanospheres is reduced to 110-115nm, and then, using the colloidal ball template as a mask, the silicon substrate is deposited by electron beam evaporation equipment A gold film with a thickness of 25 nm was evaporated on the surface of the bottom to obtain a silicon substrate covered with an ordered gold mask. Then use a wet process to etch an ordered nanowire array on the silicon substrate covered with an ordered gold mask; wherein, the process of using a wet process to etch an ordere...

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Abstract

The invention discloses a solar battery with color regulation and a preparation method thereof. The solar battery is an ordered silicon nanowire array with a PN bond formed on the surface of a silicon substrate, wherein the wire diameter of a silicon nanowire is 90nm-150nm and the wire period is 500nm-1500nm. The method comprises the following steps: firstly, manufacturing an ordered mask on the surface of the silicon substrate by adopting a nano-sphere template method or an electron beam exposure method or a nano-imprint lithography; etching an ordered nanowire array on the silicon substrate with the surface coated with the ordered mask by utilizing a wet-method process or an etching process of reactive-ion etching, so as to obtain the silicon substrate with the ordered silicon nanowire array; then, doping a boron element on the surface of the silicon substrate with the ordered silicon nanowire array by utilizing a dispersion process; and manufacturing an electrode on the silicon substrate with the ordered silicon nanowire array with the surface where the PN bond is formed, so as to manufacture a target product. The solar battery can be extremely easily and widely commercially applied to photovoltaic power generation systems in cities.

Description

technical field [0001] The invention relates to a solar cell and a preparation method thereof, in particular to a solar cell with color modulation and a preparation method thereof. Background technique [0002] In recent years, with the continuous development of the photovoltaic industry, the market has put forward higher requirements for photovoltaic products. Integrating photovoltaic products on building roofs, exterior wall roofs, curtain walls, etc., so as to integrate them with buildings is the main direction of the development of the photovoltaic industry. Since the combination of photovoltaic arrays and buildings does not occupy additional ground space, it is the best installation method for photovoltaic power generation systems to be widely used in cities, and thus has attracted much attention. At present, since the photovoltaic modules are generally blue or black, when these photovoltaic modules are used to integrate with buildings, the color is relatively monotono...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/0236H01L31/068H01L31/18
CPCH01L31/02366H01L31/068H01L31/1804Y02B10/10Y02E10/546Y02E10/547Y02P70/50
Inventor 刘敏李新化史同飞马文霞王玉琦
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI