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Vacuum Flash Assembly for DIY Vacuum Flash-Assisted Solution Process (VASP), Up to 5 mTorr - EQ-VFA-CVM-LD

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Item Number: EQ-VFA-CVM-LD
EQ-VFA-CVM is a vacuum flash assembly for DIY Vacuum Flash-Assisted Solution Process (VASP). It is assembled with stainless steel vacuum components and a NIST traceable anti-corrosive digital vacuum gauge. With a mechanical vacuum pump (not included), the assembly can expose samples to a vacuum up to 5 mTorr in a flash for vacuum flash process. The vacuum pressure can be manually controlled by a needle valve connected to atmosphere or gas inlet.


    • Click left picture for an overview of the vacuum flash assembly. Everything is included in the package for vacuum flash experiment
    • Stainless steel vacuum components for vacuum up to 5 mTorr (0.7 Pa)
    • NIST traceable anti-corrosive digital vacuum gauge with wide range: 1E-4 to 1000 Torr
    • Vacuum pressure can be manually controlled by a needle valve connected to atmosphere or gas inlet
    • 50 mm glass funnel and 50 cm rubber vacuum tube are included for immediate use
    • The assembly can expose samples to a vacuum up to 5 mTorr in a flash, and then return to atmospheric pressure also in a flash for vacuum flash process
    Sample Chamber
    • Glass funnel pressed on a 1/4" silicone sheet as the vacuum flash chamber
    • Vacuum up to 5 mTorr (0.7 Pa) with a mechanical vacuum pump (not included)
    • Two types of glass funnels are included: one 50 mm Dia. funnel and one 100 mm Dia. funnel
    • Sample size: 1.2" max for 50 mm Dia. funnel. 2.5" max for 100 mm Dia. funnel
    Vacuum / Gas Fittings
    • Stainless steel KF25 flange fitting for connecting to vacuum pump and bellows
    • Stainless steel 1/4" OD tube fitting for connecting to gas inlet or atmosphere
    Vacuum Gauge

    • Convection enhanced Pirani vacuum gauge module with on-board controller and digital display (unit Torr / mTorr)
    • Platinum plated tungsten sensor wire can resist most of aggressive gases
    • Input power: 110 - 220 VAC, 50 / 60 Hz
    • Flange size: KF16, stainless steel
    • Measurement range: 1E-4 to 1000 Torr
    • Operating temperatures: 0-40 °C

    • Extra glass funnels can be ordered at MTI at extra cost
    • 156 L/min double stage rotary vane vacuum pump with exhaust filter can be ordered at MTI at extra cost (Click left picture to order)
    • 250 mm L x 120 mm W x 200 mm H
    Operation Instructions
    Application Notes
    • High quality, crystalline perovskite films can be obtained by spin coating precursor solution, followed by vacuum flash at 20 Pa (150 mTorr) for 10 sec and baking. (See reference below)

    Reference Articles

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