Organic Thin-Film Transistor (OTFT)-Based Sensors

Elkington, Daniel; Cooling, Nathan A.; Belcher, Warwick J.; Dastoor, Paul C.; Zhou, Xiaojing

doi:10.3390/electronics3020234

Cited by 96 publications

(62 citation statements)

References 74 publications

(80 reference statements)

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“…Organic semiconductor based electronic devices have developed a greater interest and are being used over the last few decades. [23] A number of organic semiconductor based electronic and optoelectronic devices have been studied including sensors [24] The effect of light and heat is studied on the electrical properties of an electrochemical n-InP/aqueous solution of orange dye/C cell. The cell is investigated under the light and heat of filament bulb.…”

Section: Introductionmentioning

confidence: 99%

Thermo photo-electrochemical effect in n-InP/aqueous solution of orange dye/C cell

Ali

Karimov

Akhmedov

et al. 2015

Electron. Mater. Lett.

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Section: Introductionmentioning

confidence: 99%

Thermo photo-electrochemical effect in n-InP/aqueous solution of orange dye/C cell

Ali

Karimov

Akhmedov

et al. 2015

Electron. Mater. Lett.

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“…This special issue consists of 13 papers especially covering many important topics including seven reviews in the field of organic semiconductors; Organic Semiconductors [13,14], material fabrication and properties [15][16][17][18], OFET [19,20], Sensor [19], OLED [21,22], solar Cells [23,24], Transport Property [17], and Bio-organic electronics [25].…”

Section: The Present Issuementioning

confidence: 99%

“…An overview of OFET-based biosensors, pressure sensors and e-nose/vapour sensors is presented in [19]. The charge transport properties of dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene single crystals in OFET is studied and its nonmonotonic pressure response is demonstrated [20].…”

Section: The Present Issuementioning

confidence: 99%

Organic Semiconductors: Past, Present and Future

Jacob

2014

Electronics

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Organic electronics, such as displays, photovoltaics and electronics circuits and components, offer several advantages over the conventional inorganic-based electronics because they are inexpensive, flexible, unbreakable, optically transparent, lightweight and have low power consumption. In particular, organic displays exhibit high brightness, fast response time, wide viewing angle, and low operating voltage. [...]

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“…Organicbased electronics ranges from organic light emitting diodes (OLEDs) 1-3 over organic field effect transistors (OFETs) [4][5] to organic photovoltaics (OPVCs). [6][7][8] Some of them have matured already for commercial applications i.e.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of an x-ray detector based on molecular plastic electronics

et al. 2014

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We present an organic X-ray detector with an active layer deposited from a novel semiconducting ink formulation. The precursor ink consists of blended poly(3-hexylthiophene-2,5-diyl) (P3HT), phenyl-C61-butyric acid methyl ester (PCBM) and the organometallic nanostructure copper(II) 2,2'-bipyridine (Cu(II)BPY).The use of ligands like 2,2' byripidine with cationic species such as Cu(II) improves their solubility in organic solvents. The purpose of the organometallic complex Cu(II)BPY is twofold: to achieve a homogeneous semiconducting ink with P3HT:PCBM blends and to enhance the X-ray interaction with the organic layer through the Cu(II) cation.Our X-ray displays consist of several pixels, each with vertical structures comprising a bendable PET/ITO substrate with a spin-coated semiconducting ink of P3HT:PCBM:Cu(II)BPY (60 nm), followed by thermal evaporation of Al (100 nm) contacts.To the best of our knowledge, this is the first example where an organic X-ray detector includes the organometallic complex Cu(II)BPY in P3HT:PCBM blends, and the electrical characterization of the detector is carried out by impedance spectroscopy (IS).In order to test the devices, each pixel is exposed to X-ray energies ranging from 0 keV to 35 keV and characterized by impedance spectroscopy (IS). Impedance spectra were recorded at frequencies between 20 Hz and 20 kHz and at a modulating signal of 50 mV. Analysis of IS measurements revealed a linear dependence between impedance and X-ray energy. IS analysis is more sensitive compared with standard photocurrent-voltage characteristics.

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Organic Thin-Film Transistor (OTFT)-Based Sensors

Cited by 96 publications

References 74 publications

Thermo photo-electrochemical effect in n-InP/aqueous solution of orange dye/C cell

Thermo photo-electrochemical effect in n-InP/aqueous solution of orange dye/C cell

Organic Semiconductors: Past, Present and Future

Fabrication of an x-ray detector based on molecular plastic electronics

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