Monocrystalline Silicon Wafer,125*125, Solar Wafers

Monocrystalline Silicon Wafer,125*125, Solar Wafers System 1

Monocrystalline Silicon Wafer,125*125, Solar Wafers

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Loading Port:: Shanghai Port

Payment Terms:: TT or LC

Min Order Qty:: 100 Pieces PCS

Supply Capability:: 700MW/Per Year PCS/month

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Specifications of Mono Solar Wafer

Monocrystalline solar wafer 125*125mm

Conductivity Type: P type

Dopant: Boron

Resistivity: 1~3 ohm

thickness: 200um.

Product name	Mono Wafer
Conductive type	P type
Square size wafer（mm)	125×125±0.5 mm
Resistivity	1~3 ohm
Corner（mm）	150±0.5；165±0.5
	195±0.5；200±0.5
Thickness （μm）	200±20
Total thickness（um）	≤ 30
Resistivity range（Ωcm）	1-3
Doping elements	Boron
Orientation	(100)±1°
Carbon content（atoms/cc）	≤1.0E+17
Oxygen content（atoms/cc）	≤1.0E+18
Lifetime（μs）	≥10
Surface quality	No crack, gap, missing Angle, perforated, silicon fell and stress
Warping degrees（warp/μm）	≤50
Neighbouring vertical degree	90±0.5°
Side damage（mm）	≤0.5mm（length）×0.3mm（width）(not more than 2 per wafer)
Line mark（μm）	≤15

Advantages of Mono Solar Wafers

1. High efficiency and High power.

2. Long-term electrical stability.

3. Lowest price and Fastest delivery.

4. Good quality and good service.

5. Bulk supply

6. Good Warranty

7. Big Sale

8. More than 25 years on the lifetime.

Usage and Applications of Mono Solar Wafers

Mono Solar wafers is used to make Solar Cells. With high quality and stable quality. Our Solar Wafers can greatly improve the performance of Solar Cells.

Packaging & Delivery of Mono Solar Wafers

Carton Box Package and Deliver by air.It should be noticed that it should be avoid of water, sunshine and moist.

Wafer Factory Picture of Mono Solar Wafers

Solar Wafer

Package Picture of Mono Solar Wafers

Solar Wafers

Q:How is the doping level of a solar silicon wafer controlled?: The doping level of a solar silicon wafer is controlled through a process called ion implantation. In this process, specific dopant atoms are introduced into the silicon wafer by bombarding it with high-energy ions. The dopant atoms replace some of the silicon atoms in the crystal lattice, altering its electrical properties. The concentration and distribution of dopant atoms are carefully controlled to achieve the desired doping level, which helps in optimizing the performance of solar cells.

Q:1 megawatts of solar energy need how many wafers: It depends on whether it is a single crystal or polycrystalline, I only know that polycrystalline is about 3.8 mw.

Q:How much does a solar silicon wafer cost?: The cost of a solar silicon wafer can vary depending on factors such as size, quality, and market conditions. On average, a solar silicon wafer can range from $0.10 to $0.50 per watt.

Q:Are there any health or safety concerns associated with solar silicon wafers?: There are generally no significant health or safety concerns associated with solar silicon wafers. These wafers are made from silicon, a non-toxic and abundant element. However, during the manufacturing process, some hazardous chemicals may be used, such as hydrochloric acid or toxic gases. Therefore, proper safety protocols and waste management need to be followed in solar panel production facilities to ensure worker safety and minimize environmental impact. Once the solar panels are installed and operational, they pose no health or safety risks to users.

Q:How are solar silicon wafers cleaned during the manufacturing process?: Solar silicon wafers are typically cleaned during the manufacturing process using a combination of chemical and mechanical techniques. The first step involves removing any organic contaminants or particles from the surface of the wafers through a cleaning solution, usually a mixture of deionized water and a cleaning agent. This solution is applied to the wafers using either a batch or inline cleaning system. After the initial cleaning, the wafers undergo a series of rinses to ensure all traces of the cleaning solution are removed. Deionized water is commonly used for rinsing purposes. To further enhance the cleaning process, some manufacturers employ ultrasonic agitation or megasonic cleaning, utilizing sound waves or high-frequency sound waves to dislodge and remove stubborn particles. Once the wafers are thoroughly cleaned, they are typically dried using a combination of air-drying and heat treatment techniques. The drying process ensures that no residual moisture or contaminants remain on the surface of the wafers before they proceed to subsequent manufacturing steps, such as doping or deposition of thin films. Overall, the cleaning of solar silicon wafers is a critical step in the manufacturing process as it helps to ensure the quality and efficiency of the final solar cells.

Q:What is the role of a power optimizer in a solar silicon wafer?: A power optimizer in a solar silicon wafer plays a crucial role in maximizing the energy output from each individual solar panel. It optimizes the performance of the panels by ensuring that each panel operates at its maximum power point, even in cases where panels are affected by shading or mismatched conditions. This helps to increase overall system efficiency, improve energy production, and reduce the impact of factors that may hinder the performance of the solar panels.

Q:What is the impact of crystal orientation on solar silicon wafers?: The crystal orientation of solar silicon wafers has a significant impact on their electrical and optical properties. The orientation determines the arrangement and alignment of atoms in the crystal lattice, which affects the efficiency and performance of solar cells. For example, monocrystalline silicon wafers with a single crystal orientation (typically <100> or <111>) have higher electron mobility and lower defect density, resulting in better conductivity and higher conversion efficiency. These wafers are more expensive to produce but offer greater energy output. Polycrystalline silicon wafers, on the other hand, consist of multiple crystal orientations and have lower electron mobility and higher defect density. They are less expensive but have lower conversion efficiency compared to monocrystalline wafers. The crystal orientation also influences the behavior of light absorption and reflection within the solar cell. The alignment of crystal planes affects the optical properties of the wafer, determining its ability to capture and convert sunlight into electricity. In summary, the crystal orientation of solar silicon wafers directly impacts their electrical conductivity, conversion efficiency, and optical properties, ultimately influencing the overall performance and cost-effectiveness of solar cells.

Q:How are solar silicon wafers tested for electrical properties?: Solar silicon wafers are typically tested for their electrical properties using a variety of techniques. One common method is known as the four-point probe measurement, in which four probes are placed on the surface of the wafer to measure its resistivity. This test helps determine the quality and purity of the silicon material. Additionally, the wafers may undergo tests such as the dark current-voltage (IV) measurement, which provides information about the electrical behavior in the absence of light, and the light IV measurement, which analyzes the performance of the wafer under illumination. These tests help assess the efficiency and overall electrical characteristics of the solar silicon wafers.

Q:How are solar silicon wafers handled and stored to prevent contamination?: Solar silicon wafers are handled and stored in a controlled environment to prevent contamination. They are typically stored in cleanrooms that are free from dust and other particles. Special handling procedures are followed, such as wearing gloves and using clean tools, to avoid any contact with the wafers that could lead to contamination. Additionally, the wafers are often stored in sealed containers or vacuum-sealed packages to protect them from moisture and other pollutants. These measures ensure the quality and purity of the solar silicon wafers, which is crucial for their efficiency and performance in solar panel production.

Q:What is the effect of temperature on the efficiency of a solar silicon wafer?: The efficiency of a solar silicon wafer increases as the temperature decreases.

Our company is a world class resources and green energy developer, operator and supplier with its engagement in green energy development, integration and operation. We strives to offer highly efficient, eco-friendly, economical and reliable energy solutions through an integrated and diversified energy industrial chain. In adherence to the philosophy of bringing green power to life, the Group stays committed to continuously providing high-quality energy and services for a better living environment. Under approaches of people-oriented, excellence-foremost, value-creation and harmony-pursuant, our Group is determined to become a respected world-class green energy conglomerate.

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