Solar Mono Silicon Wafer for Solar Cell (156 and 125)

Solar Mono Silicon Wafer for Solar Cell (156 and 125) System 1

Solar Mono Silicon Wafer for Solar Cell (156 and 125)

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 10000 pc

Supply Capability:: 1000000 pc/month

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1. Structure of Solar Mono Silicon Wafer for Solar Cell (156 and 125) Description

A wafer, also called a slice or substrate, is a thin slice of semiconductor material, such as acrystalline 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 Solar Mono Silicon Wafer for Solar Cell (156 and 125)

• High quality Silicon wafer carrier box

• quartz glass wafer carrier from Taifulong Technology

3. Solar Mono Silicon Wafer for Solar Cell (156 and 125) Images

Solar Mono Silicon Wafer for Solar Cell (156 and 125)

4. Solar Mono Silicon Wafer for Solar Cell (156 and 125) Specification

窗体顶端 Item窗体底端	N-type solar grade mono silicon wafer(125x125mm)	N-type solar grade mono silicon wafer(156x156mm)
Growth Method	CZ	CZ
Conductive Type	N-type	N-type
Dopant	Phos.	Phos.
Orientation	<100>±3°	<100>±3°
Resistivity	1 –3,3-6Ω•cm	1 –3,3-6 Ω•cm
Bulk Lifetime	≥1000μs	≥1000μs
Oxygen Content	≤0.1*10¹⁸ cm³	≤0.1*10¹⁸ cm³
Carbon Content	≤0.1*10¹⁷ /cm³	≤0.1*10¹⁷ /cm³
Dimension	125*125±0.5mm	156*156±0.5mm
Diagonal	150±0.5mm	200±0.5mm
Square Sides Angle	90±0.3°	90±0.3°
Thickness	200±20 um	200±20 um
TTV	≤25um	≤25um
Saw Mark	≤15um	≤15um
Warp	≤40um	≤40um
Chips	Depth<0.3mm;Length<0.5mm	Depth<0.3mm;Length<0.5mm,
Chips	less than 2chips per wafer	less than 2chips per wafer
Appearance	No Stain, No Pinhole and Cracks by Visual Inspection	No Stain, No Pinhole and Cracks by Visual Inspection
Dislocation Density	≤1000 pcs/cm2	≤1000 pcs/cm2
Package	Packed in Polyethylene foam box,400pcs/box	Packed in Polyethylene foam box,400pcs/box 窗体底端

5. FAQ of Solar Mono Silicon Wafer for Solar Cell (156 and 125)

Q1. How long can we receive the product after purchase?

A1.In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers

Q2. Can we visit your factory?

A2:Surely, I will arrange the trip basing on your business schedule.

Q3:Which payment terms can you accept?

A3:T/T,L/C,Moneygram,Paypal are available for us.

Q: How are solar silicon wafers cleaned before assembly into solar cells?: Solar silicon wafers are typically cleaned through a multi-step process before assembly into solar cells. This process involves several cleaning methods such as ultrasonic cleaning, acid cleaning, and chemical treatments. Initially, the wafers are placed in an ultrasonic bath to remove any particles or impurities on their surface. Subsequently, acid cleaning is performed to eliminate any remaining contaminants. Finally, chemical treatments are employed to enhance the wafers' surface properties and improve their efficiency. Overall, this meticulous cleaning procedure ensures the high quality and optimal performance of solar silicon wafers before their assembly into solar cells.

Q: How does the temperature affect the performance of a solar silicon wafer?: The temperature directly affects the performance of a solar silicon wafer. Higher temperatures can cause an increase in resistance within the wafer, leading to a decrease in efficiency and power output. Additionally, excessive heat can accelerate the degradation of the materials used in the wafer, reducing its lifespan. Therefore, maintaining lower temperatures is crucial for optimal performance and longevity of a solar silicon wafer.

Q: Ask a question about integrated circuit manufacturing: how to realize the functions of capacitors, resistors and transistors on a single chip? In the end how to: You connect the line in two holes on the silicon conductive layer in the middle, this is not a resistance capacitance resistance that integrated circuit in the senior middle school physics is not the kind of silicon wafer by resistance capacitance has made but I hope you can understand the function of course this is just the front-end integrated circuit

Q: What is the impact of wafer thickness on solar silicon wafer performance?: The impact of wafer thickness on solar silicon wafer performance is significant. Thicker wafers generally allow for better light absorption, resulting in higher efficiency and power output of solar cells. However, thicker wafers also require more material, increasing production costs. Therefore, finding the optimal thickness for a balance between performance and cost is crucial in solar panel manufacturing.

Q: How does the doping process affect the performance of a solar silicon wafer?: The doping process significantly affects the performance of a solar silicon wafer. Doping involves introducing impurities into the silicon crystal lattice to alter its electrical properties. By adding specific impurities such as phosphorus or boron, the conductivity of the silicon can be adjusted to either enhance its ability to conduct electricity (N-type doping) or to create a positive charge carrier deficiency (P-type doping). This alteration in conductivity enables the silicon wafer to function as a semiconductor, allowing it to efficiently convert sunlight into electricity. Thus, the doping process is crucial in optimizing the performance and overall efficiency of solar silicon wafers in generating renewable energy.

Q: What is the efficiency of a solar silicon wafer?: The efficiency of a solar silicon wafer refers to its ability to convert sunlight into usable electricity. The efficiency of a typical silicon wafer used in solar cells ranges from 15% to 22%.

Q: How do solar silicon wafers perform in high-temperature environments?: Solar silicon wafers generally perform well in high-temperature environments. The crystalline structure of silicon allows it to handle high temperatures without significant loss in performance. However, excessive heat can cause a slight decrease in efficiency, and prolonged exposure to extreme temperatures can result in some degradation over time. To mitigate these effects, solar panels are often designed with cooling mechanisms and protective coatings to ensure reliable performance even in hot climates.

Q: How does the size of a solar silicon wafer affect solar panel efficiency?: The size of a solar silicon wafer does not directly affect solar panel efficiency. However, larger wafers can potentially increase the efficiency of solar panels as they allow for more surface area and the placement of additional solar cells, resulting in higher power output. Additionally, larger wafers can help reduce manufacturing costs and improve the overall cost-effectiveness of solar panels.

Q: What is the role of a front contact in a solar silicon wafer?: The role of a front contact in a solar silicon wafer is to facilitate the flow of electrons generated by the sunlight absorbed by the silicon wafer. It acts as a conductive layer that helps in collecting and transferring the generated electrical current to the external circuit. The front contact is typically made of a transparent conducting material like indium tin oxide (ITO) or a metal grid to maximize light transmission while providing low electrical resistance.

Q: What is the role of light trapping in solar silicon wafers?: The role of light trapping in solar silicon wafers is to increase the absorption of sunlight and enhance the efficiency of the solar cells. Light trapping techniques, such as texturing or adding anti-reflective coatings, help to reduce the reflection and scattering of light, allowing more photons to be absorbed by the silicon material. This allows the solar cells to convert a higher percentage of the incident light into usable electrical energy.

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