Air‐Operable, High‐Mobility Organic Transistors with Semifluorinated Side Chains and Unsubstituted Naphthalenetetracarboxylic Diimide Cores: High Mobility and Environmental and Bias Stress Stability from the Perfluorooctylpropyl Side Chain

Jung, Bernhard; Sun, Jia; Andreou, Andreas G.; Katz, Howard E.

doi:10.1002/adfm.201000655

Cited by 69 publications

(69 citation statements)

References 81 publications

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“…For some organic semiconductors (e.g., 8_3-NTCDI), elevated substrate temperature during the thermal evaporation process generates improved transistor performance. [ 22 ] However, the thermal instability of the linear PLLA limited the choice of substrate temperatures, thus all the organic semiconductors were evaporated with the substrate temperatures at less than 80 °C. The OFETs were easily peeled off from the Si templates due to the presence of the release layer ( The great mechanical fl exibility enables a wide range of interesting applications such as wearable electronics.…”

Section: Ofets Fabrication and Flexibility Measurementsmentioning

confidence: 99%

“…[ 30,31 ] To demonstrate the applicability of the PLA dielectric in organic electronics, several organic semiconductors, including both n-type (8_3-NTCDI) and p-type (6PTTP6, DNTT), were used in the OFETs. [ 17,22,23 ] The performance of the obtained OFETs was evaluated using a Keithley 4200 Semiconductor Parameter Analyzer. All the OFETs exhibited good transistor characteristics, as shown in further demonstrated by measuring their electrical properties while wrapped around cylindrical rods with a series of radii.…”

Section: Ofets Fabrication and Flexibility Measurementsmentioning

confidence: 99%

“…Various organic semiconductors, including both p-type dinaphtho[2,-b:2′,3′-f ]-thieno [3,2-b]thiophene (DNTT), 5,5′-bis(4-n-hexylphenyl)-2,2′-bithiophene (6PTTP6), and n-type N,N -bis (3-(perfl uoroctyl)propyl)-1,4,5,8-naphthalenetetracarboxylic acid diimide (8_3-NTCDI), [ 17,22,23 ] were used to fabricate the transistor channels. The resulting tascPLA-OFETs are stable up to 200 °C, while devices based on traditional PLA are generally damaged at 100 °C.…”

Section: Introductionmentioning

confidence: 99%

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Thermally Stable, Biocompatible, and Flexible Organic Field‐Effect Transistors and Their Application in Temperature Sensing Arrays for Artificial Skin

Zhang

et al. 2015

Adv Funct Materials

194

150

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Application of degradable organic electronics based on biomaterials, such as polylactic‐co‐glycolic acid and polylactide (PLA), is severely limited by their low thermal stability. Here, a highly thermally stable organic transistor is demonstrated by applying a three‐arm stereocomplex PLA (tascPLA) as dielectric and substrate materials. The resulting flexible transistors are stable up to 200 °C, while devices based on traditional PLA are damaged at 100 °C. Furthermore, charge‐ trapping effect induced by polar groups of the dielectric is also utilized to significantly enhance the temperature sensitivity of the electronic devices. Skin‐like temperature sensor array is successfully demonstrated based on such transistors, which also exhibited good biocompatibility in cytotoxicity measurement. By presenting combined advantages of transparency, flexibility, thermal stability, temperature sensitivity, degradability, and biocompatibility, these organic transistors thus possess a broad applicability such as environment friendly electronics, implantable medical devices, and artificial skin.

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Section: Ofets Fabrication and Flexibility Measurementsmentioning

confidence: 99%

Section: Ofets Fabrication and Flexibility Measurementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Thermally Stable, Biocompatible, and Flexible Organic Field‐Effect Transistors and Their Application in Temperature Sensing Arrays for Artificial Skin

Zhang

et al. 2015

Adv Funct Materials

194

150

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“…28 Recently, several groups have reported significant enhancements of the stability of OTFTs under ambient conditions with semiconducting small molecules, [29][30][31][32][33] oligomers, 22,24,[34][35][36][37][38][39] and polymers. Recently, our group reported anthracene main core with dialkoxynaphthalene end-capper had good oxidation stability and exhibited a field-effect performance with a mobility of 0.64 cm 2 /V·s, a subthreshold slope of 0.8 V and an on/off ratio of 7.5 × 10…”

Section: -27mentioning

confidence: 99%

Chain Length Effect of Dialkoxynaphthalene End-Capped Divinylbenzene for OTFT

Kim¹,

Yun²,

Yi³

et al. 2012

Bulletin of the Korean Chemical Society

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The new organic semiconductors which are composed of divinylbenzene core unit and alkoxynaphthalene on both sides, 1,4-bis-2-(6-octyloxy)naphthalen-2-ylvinylbenzene (BONVB), 1,4-bis-2-(6-decyloxy)naphthalen-2-ylvinylbenzene (BDNVB) and 1,4-bis-2-(6-dodecyloxy)naphthalen-2-ylvinylbenzene (BDDNVB) were synthesized by Wittig reaction. The structures of obtained BONVB, BDNVB and BDDNVB were confirmed by FT-IR and mass spectroscopy. UV-absorption of thin film showed H-aggregates and J-aggregates due to closely packed structure between adjacent molecules. The characterization of vacuum-evaporated films by Xray diffraction (XRD) and atomic force microscopy (AFM) showed that the chain length of alkoxy group affects the crystallinity and morphology. BONVB with octyloxy group showed the mobility of 0.011 cm 2 /V·s, on/off ratio of 1.31 × 10 5, and a subthreshold slope of 0.93 V.

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“…The single crystal OFETs of 240g exhibited electron mobility as high as 0.45 or 0.70 cm 2 V −1 s −1 along different crystal directions when tested in vacuum [299]. Derivative 240h with a longer fluorinated alkyl chain afforded electron mobility approaching 0.7 cm 2 V −1 s −1 in air [300]. Its mobilities were stable in air for 1 week.…”

Section: Diimidesmentioning

confidence: 96%

Organic Semiconductors for Field-Effect Transistors

Zhang

2015

Lecture Notes in Chemistry

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An important application of organic semiconductors is to fabricate organic field-effect transistors (OFETs) which are essential building blocks for the next generation of organic circuits. In terms of molecular size or molecular weight, organic semiconductors can be divided into small-molecule and polymer semiconductors, and thus their corresponding OFETs can also be categorized into organic small molecule OFETs and polymer field-effect transistors (PFETs). On the basis of the main charge carriers transporting in OFET channels, organic semiconductors can be further divided into p-type, n-type, and ambipolar semiconducting materials. According to the characteristic of the organic semiconductors, the OFETs can be classified into two types: organic thin film transistors (OTFTs) and organic single crystal transistors. In any kind of OFET devices, organic semiconductor materials are the core; their properties determine the performance of the electronic devices. Therefore, the design and synthesis of high performance organic semiconductor materials are the basis and premise of the wide application of OFET devices. In the past few decades, great progress has been made in developing organic semiconductors. Besides organic semiconducting materials, there are many other factors influencing the performance of OFETs including device configuration, processing technique, and other devices physical factors, etc. In the following, a brief review of the development of p-type, n-type, ambipolar organic semiconductors and their field-effect properties is given. The history, mechanism, configuration, and fabrication methods of OFET devices and main performance influencing factors of OFETs are also introduced.

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Air‐Operable, High‐Mobility Organic Transistors with Semifluorinated Side Chains and Unsubstituted Naphthalenetetracarboxylic Diimide Cores: High Mobility and Environmental and Bias Stress Stability from the Perfluorooctylpropyl Side Chain

Cited by 69 publications

References 81 publications

Thermally Stable, Biocompatible, and Flexible Organic Field‐Effect Transistors and Their Application in Temperature Sensing Arrays for Artificial Skin

Thermally Stable, Biocompatible, and Flexible Organic Field‐Effect Transistors and Their Application in Temperature Sensing Arrays for Artificial Skin

Chain Length Effect of Dialkoxynaphthalene End-Capped Divinylbenzene for OTFT

Organic Semiconductors for Field-Effect Transistors

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