Sara Bazhair

10 Questions 14 Answers 0 Followers

Questions related from Sara Bazhair

What is the best way to measure the conductivity of a surface coated with metal alloy ?

Dear All, I have coated a piece of metal with an alloy of very thin thickness, how can I measure the conductivity? and what are the best devices to use for this purpose? Regards, Sara

07 July 2019 8,070 4 View

What is the definition of photosensitivity of a light detector? and why is it important to know the rise and fall time (photo-response)?

Dear All, What does photo-sensitivity tell us about the light detector in general? and is rise and fall time among the important figures of merit? and is photosensitivity of the phototransistor...

04 April 2018 6,338 2 View

Does mixing two materials, each of which is a solution of a different solvent, prevent their complete solubility together?

Dear All, As the question states, I have two materials, each is soluted in a different solvent. If I am to mix these two materials to form a single solution, should I consider using the same...

03 March 2018 7,711 3 View

How does transport of carriers occure in case photoactive quantum dots were blended within the dielectric layer in an OFET?

Dear All, In case quantum dots were mixed in dielectric before deposition of layer in an OFET, what is the mehcanism of operation and how does carrier transport happen in dielectric layer ? and...

02 February 2018 1,106 3 View

What is the best method to clean a Si-SiO2 substrates with gold contacts without damaging it for depositition of an organic material?

Dear All, I have a Si/SiO2 substrate with pre-deposited Gold contacts, and i wish to clean it before I start depositing my organic layers for my OFET fabrication. Any Idea on the best method to...

02 February 2018 2,507 3 View

Why in some OFET structures the electrodes are multilayers of either cr/Au or platinum/Au?

Dear all, i understand that some papers use multilayers for electrodes to enhance the contact resistivity, but is this the only reason? and how does one decide the suitable material and...

10 October 2017 8,621 1 View

How to perform ligand exchange of quantum dots without damaging my OFET device operation?

Dear All, I am fabricating an OFET based on quantum dots/organic SC hybrid, my first attempet failed when I tried to do a layer by layer solid ligand exchange to the quantum dot active layer (I...

08 August 2017 1,715 13 View

is it possible to measure the nanosecond photoresponse (rise and fall time) of a phototransistor using an oscilloscope?

I am searching for common methods used with organic devices as well as cost effective methods and equipment. meanwhile i have an oscilloscope, but i am trying to find out how i should connect it...

07 July 2017 7,671 6 View

For Organic FETs: What is the difference between threshold and sub-threshold voltages? Why is on current/off current ration important?

Dear Respected Researchers, For high performance FET devices, specifically for Organic FETs, we require high charge mobility, in addition to low threshold voltage and high on-current/off-current...

02 February 2017 4,759 3 View

What is the most recent Infrared imaging technology currently applied?

Dear colleagues and Seniors, As the question is stating, I am searching for information and publications that describe the currently used technologies in Infrared Imaging Systems. With the...

01 January 1970 4,579 0 View