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Organic photovoltaic cells (OPVs) or organic light emitting diodes (OLEDs) can be easily manufactured using Ossila’s pre-patterned ITO substrates and a few simple spin coating and evaporating steps.
Viscoelastic transfer using polydimethylsiloxane (PDMS) stamps is one of the methods used for the deterministic placement of 2D materials and the fabrication of van der Waals heterostructures.
This guide gives an overview of what to consider when characterising an OLED, as well as tips for their measurement.
This video guide gives an overview of how to measure the lifetime of OLED devices.
This video shows how to make an OFET in just 60 seconds in order to perform OFET mobility measurements or to act as a chemFET (also called a chemical field effect transistor or OFET sensor).
This video shows how to use a cotton bud while the substrate is spinning to gently remove edge/corner beads and improve thin film quality.
This video shows how easy it is to remove the spin coater substrate chucks (which have a push-fit connection to the motor coupling in the spin coater) for cleaning or interchanging with other spin coater chucks.
This video demonstrates the dripping effects from halogenated solvents (in this case chloroform) and how to prevent this from happening.
This video demonstrates how to connect electrical legs to substrates for measurement using zero insertion force (ZIF) sockets.
This video demonstrates how edge beads can remain on your substrate after spin coating with viscous solutions or high boiling point solvents.
This video demonstrates how to filter PEDOT:PSS with an Ossila rubber-free syringe and a PES filter in preparation for spin coating onto a substrate.
This video is a guide on how to make perovskite films when processed inside a nitrogen filled glove box. The resultant devices achieve efficiencies greater than 11%.
This video demonstrates how to load up the low density OFET stack ready to thermally evaporate the source-drain contacts compatible with most common OFET architectures.
This video demonstrates a thin film changing colour during spin coating as it dries. In this example a solution P3HT in trichlorobenzene was spin coated onto a silicon substrate with 300 nm of silicon dioxide in order to give maximum contrast.
This video shows how to use a UV curable epoxy and a glass coverslip to encapsulate PV and LED devices.
A common difficulty (and often asked question) when working with flexible substrates is how to spin coat them for reference devices. This is difficult to achieve using normal spin coaters as the vacuum warps the substrate and creates an uneven film.
If you have ever wondered how to spin coat thin and flexible substrates this video shows how simple it can be and the benefit of using a vacuum free chuck such as on the Ossila spin coater.
This video demonstrates the spin coating of small and odd-shaped substrates that in many cases would be too small to coat using a standard spin coater due to the size of the vacuum chuck.
This video provides a walk through guide on how to clean substrates for photovoltaic and OLED fabrication.
This video demonstrates the dynamic dispense of an ink onto a spinning substrate. By using a dynamic dispense it's possible to get even coverage using much lower volumes of solution than using a static dispense so long as the wetting properties are suitable.
This video demonstrates how to static dispense an ink for spin coating without touching the substrate in order to avoid damaging it.
This video demonstrates how to spin coat to the very edge of a substrate when using a highly viscous solution
This video shows how to set up the connections to the Ossila USB testboard to light up a sequence of pixels on an OLED substrate. A program was written to select and test this particular sequence of pixels.
This video shows how to prepare a perovskite film while processing in air.
This video provides a guide to making efficient air-processed perovskite devices.
This video details the effects humidity has on air-processed perovskite films.
This video demonstrates how to connect electrical legs to our scale up substrate system for measurement using zero insertion force (ZIF) sockets.
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