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TOPCon Cell

TOPCon Cell

As an advanced version of PERC technology, TOPCon adopts a unique tunnel oxide layer and polysilicon stacking design, which improves photoelectric conversion efficiency while perfectly compatible with existing production line equipment. Its core advantage lies in reducing charge recombination loss, especially suitable for photovoltaic power plant scenarios with dual demands for power generation efficiency and cost control. It is currently a key direction for technology iteration of mainstream manufacturers.

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N-TOPCon Silver pastes for B-Doped Emitter with LIF process
GN33L

Application Scenarios:

N-TopCon Silver pastes for B-Doped Emitter, SE or homogeneous doping with laser induced firing process

Printing Stencils:

PI knotless screen with ultra fine line finger pattern

Highlights:

Long time stability,high speed printing,4-7.5 um fingers,mass production

Customized for SE and non-SE process for high shect.reistance emitter

Robust contact designed for Various firing process Good EL for low laydown or low firing temperature

Self desisned raw materials & formula,well. Balanced between eff & reliability

Suitable for varioes sintering furnace,light ingectlom & leser indued firing furnace

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Dual Printing Back side Finger paste for Topcon
GT90

Application Scenarios:

Fit for all kinds of TOPCon deposition methods, eithe polished or textured wafers

Printing Stencils:

PI knotless screen with ultra fine line finger pattern

Highlights:

Well-balanced Voc and FF performance for higher conversion efficiency.

Robust firing window design, maintaining excellent IV, EL and reliability performance atlow laydown and low firing temperatures

Compatible with LP, PE, PVD and other Poly deposition routes, with customized solutions for different poly thicknesses and wafer structures

Adaptable to wafers with or without Al₂O₃ backside passivation layers

Suitable for ultra-fine line printing, supporting finger patterns down to 10μm

Both standard and low-solid-content formulations available to support customers' cost reduction and efficiency improvement goals

Fast drying capability with no powder shedding during friction tests before and after firing

Fully compatible with laser-enhanced contact optimization technology, further improving conversion efficiency and matching front-side processes to reduce EL defect

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