?url_ver=Z39.88-2004&rft_id=10.5204%2Fthesis.eprints.232689&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Hygroscopic+insulator+organic+field+effect+transistor+sensors&rft.creator=Arthur%2C+Joshua+N.&rft.subject=Organic&rft.subject=transistor&rft.subject=hygroscopic&rft.subject=sensor&rft.subject=biosensor&rft.subject=gate+electrode&rft.subject=hydrogen+peroxide&rft.subject=H2O2&rft.subject=ion&rft.subject=OFET&rft.description=Hygroscopic+insulator+field+effect+transistors+(HIFETs)+are+organic+transistors+with+promising+characteristics+for+biosensing+applications.+However%2C+their+fundamental+sensing+mechanisms+are+not+yet+fully+understood.+This+thesis+explores+HIFET+sensors+through+detailed+electrical+and+optical+characterisation%2C+providing+vital+insights+into+the+distinct+mechanisms+by+which+HIFETs+detect+biologically+relevant+chemicals.+Hydrogen+peroxide%2C+a+by-product+of+enzymatic+reactions%2C+oxidises+the+organic+semiconductor%2C+modulating+the+output+current.+Ionic+solutions%2C+such+as+KCl%2C+NaCl+and+HCl%2C+modulate+the+current+by+changing+double+layer+capacitance.+These+insights+are+foundational+for+the+continued+development+of+HIFETs+as+effective+multipurpose+biosensing+platforms.&rft.publisher=Queensland+University+of+Technology&rft.date=2022&rft.type=Thesis&rft.format=application%2Fpdf&rft.relation=https%3A%2F%2Feprints.qut.edu.au%2F232689%2F1%2FJoshua_Arthur_Thesis.pdf&rft.rights=free_to_read&rft.rights=http%3A%2F%2Fcreativecommons.org%2Flicenses%2Fby-nc-nd%2F4.0%2F&rft.relation=doi%3A10.5204%2Fthesis.eprints.232689&rft.relation=Arthur%2C+Joshua+N.+(2022)+Hygroscopic+insulator+organic+field+effect+transistor+sensors.+PhD+by+Publication%2C+Queensland+University+of+Technology.&rft.id_number=https%3A%2F%2Feprints.qut.edu.au%2F232689%2F&rft.identifier=Faculty+of+Science%3B+School+of+Chemistry+%26+Physics