We use silicon/silicon oxide substrates with thermally evaporated gold electrodes. Our standard prefabricated substrates are supplied in batches of ten and fabricated using our Low Density OFET system; see schematics below for details.

The prefabricated low-density OFET test chips are recommended for the testing of multiple experimental parameters, such as the choice of semiconductor, concentration and deposition methods and conditions. When you require the collection of statistical data, the high-density OFET test chips are recommended.

The low-density test chips are compatible with Ossila's OFET Test Board for Low-Density OFETs (E222) to make mobility screening quick and simple.

A surface passivation treatment is recommended in order to achieve the best results with these bottom-contact, bottom-gate devices. There is a surface treatment procedure detailed in the User Manual for your convenience.

All devices are made to order, so the lead time is up to 2 weeks for standard devices. We can also fabricate the patterns onto other substrate materials for your individual research requirements, so please contact us to discuss your needs.  

If you are uncertain about which range of specifications best suits your needs, please contact us to speak to one of our technical support team.

 

Productcode	Channelgeometry	Channelwidth	Channellength	OTS/PFBTtreatment*	Quantity	Price
S181	Linear	1 mm	30 µm	No	10	£499
S183	Linear	1 mm	30, 40, 50, 60, 80 µm	No	10	£499

*OTS = octadecyltrichlorosilane / PFBT = pentafluorobenzenethiol

 

 

 

Schematics

Constant channel length design

 

Variable channel length design

 

Produce 5 OFETs in 60 seconds

 

To see the expanded version of this video with further details on device structure and measurement, click here.

 

To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.

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