Monocrystalline Silicon Solar Wafer 125*125mm

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Product Description:

1. Structure of Monocrystalline Silicon Solar Wafer 125*125mm Description

A wafer, also called a slice or substrate, is a thin slice of semiconductor material, such as a crystalline silicon, used in electronics for the

 fabrication of integrated circuits and in photovoltaics for conventional, wafer-based solar cells. The wafer serves as the substrate for

 microelectronic devices built in and over the wafer and undergoes many microfabrication process steps such as doping or ion implantation,

etching, deposition of various materials, and photolithographic patterning. Finally the individual microcircuits are separated (dicing) and

packaged.

 

 

2. Main Features of the Monocrystalline Silicon Solar Wafer 125*125mm

• monocrystalline solar wafer 125*125mm
•Conductivity Type: P type
•Dopant: Boron
•Resistivity: 1~3 ohm
•thickness: 200um.

 

 

3. Monocrystalline Silicon Solar Wafer 125*125mm Images

 

 

 

 

 

 

4. Monocrystalline Silicon Solar Wafer 125*125mm Specification

Type:

P

Dopant:

Boron

Resistivity:

1.0-3(ohmNaN)

Dimension:

125 x 125±0.5 (mm)

Thickness:

200±20 (μm)

Oxygen Content:

≤1 x 1018  

Carbon Content: 

≤5x 1016

Minority Carrier Lifetime:

≥2 (us)

Microcrystal:

10/cm

Saw Depth: 

<20 (μm)

TTV:

<=30(μm)< span="">

Bow:

50 (μm)

Bevel Edge Angle: 

90°±0.3

Bevel Edge Length: 

1±0.5 (mm)

Rectangular Angle 

0.3°

Edge Defect:

No crack, no V-Shape Chip

Surface Quality:

As cut, cleaned, no stain;

No water mark, no contamination, no pits on the surface.

Edge Chips:

Length0.5mm, Depth0.3mm,

2 per wafer

 

 

5. FAQ of Monocrystalline Silicon Solar Wafer 125*125mm

 

Q1:Can we visit your factory?

A1:Sure,welcome at any time,seeing is believing.

 

 

Q2:Which payment terms can you accept?

A2:T/T,L/C,Moneygram,Paypal are available for us.

 

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Q:Why can not the solar panel load directly?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q:Solar panels single crystal and double crystal in the rain which is easy to use
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.
Q:What is the working principle of solar panels?
No matter what kind of material to make the battery, the general requirements for solar cell materials are
Q:What is the principle of solar panels to convert solar energy into electricity?
When the light is irradiated on the surface of the solar cell, a part of the photon is absorbed by the silicon material; the energy of the photon is transferred to the silicon atom, so that the electrons are moved and the free electrons are formed on both sides of the P-N junction to form a potential difference. When the circuit is used, the current will flow through the external circuit to produce a certain output power. The essence of this process is the process of converting the energy of the photon into electrical energy.
Q:What is the difference between solar panels and light panels?
The production of silicon requires that the stone be heated to become liquid, and the heating becomes gaseous crystals. During the need to burn a lot of fossil fuels and emissions of toxic gases silicon tetrachloride, this material has a corrosive effect on the skin. After pickling, pulling crystal, cut the side, finished a series of processes, more industrial chain. The cost of the finished product is too high. The energy consumption of making a solar cell requires solar cells to be equal in power generation for several years. The cost recovery period is very long.
Q:Can solar panels be connected directly to motor?
Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
Q:Composition and function of solar panels
The demand for polysilicon is mainly from semiconductors and solar cells. According to the different requirements of purity, divided into electronic and solar level.
Q:The voltage and power problems of solar panels
3, charge 12V battery when the power is really small, if it is a normal controller, then the equivalent of 18V voltage in the charge, probably 18 x (240 / 30.2) = 143w solar panels.
Q:What is the principle and structure of solar panels?
inverter: solar direct output are generally 12VDC, 24VDC, 48VDC. In order to provide power to 220VAC appliances, it is necessary to convert the DC power from the solar power system into AC power, so it is necessary to use DC-AC inverter.
Q:How many solar panels have ah?
But in reality, the need for solar panel power and solar charger to find a balance in the portability. It is generally believed that the minimum power of the solar charger can not be less than 0.75w, and the secondary power solar panel produces 140mA of current under standard light. In the general sunlight generated by the current at 100mA or so, if less than the secondary power charging current is too small,

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