Growth and Electronic Transport in 9,10‐Diphenylanthracene Single Crystals—An Organic Semiconductor of High Electron and Hole Mobility

Tripathi, Ashutosh; Heinrich, Michael; Siegrist, T.; Pflaum, Jens

doi:10.1002/adma.200602162

Cited by 74 publications

(57 citation statements)

References 19 publications

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“…The low mobility could be attributed to poor planarity structure of 22. In fact, derivative 21 also has a nonplanar structure, in which the dihedral angle between the planes of substitution (benzene ring) and core (anthracene) is about 67° [75,78].…”

Section: Acenes and Derivativesmentioning

confidence: 99%

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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Section: Acenes and Derivativesmentioning

confidence: 99%

Organic Semiconductors for Field-Effect Transistors

Zhang

2015

Lecture Notes in Chemistry

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“…Following rigorous material purification and setting optimal growth conditions, the electrical properties of the large-sized Bridgman-grown organic crystals matched well with those of the gas-phase-grown small crystals. The quality of Bridgman-grown DPA single crystals exhibited room temperature electron and hole mobility of 13 and 3.7 cm 2 /Vs, respectively [338], which were extremely useful for semiconductor devices. The Bridgman method produced large-sized crystals limited to the ampoule dimensions used, but the strain at the boundary between the crystal and the quartz walls of the ampoule did induce cracks, stress, or small-angle grain boundaries in the crystals.…”

Section: Melt-grown Os Crystalsmentioning

confidence: 99%

Organic semiconductors for device applications: current trends and future prospects

Ahmad

2014

Journal of Polymer Engineering

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Abstract:With the rich experience of developing silicon devices over a period of the last six decades, it is easy to assess the suitability of a new material for device applications by examining charge carrier injection, transport, and extraction across a practically realizable architecture; surface passivation; and packaging and reliability issues besides the feasibility of preparing mechanically robust wafer/substrate of single-crystal or polycrystalline/ amorphous thin films. For material preparation, parameters such as purification of constituent materials, crystal growth, and thin-film deposition with minimum defects/ disorders are equally important. Further, it is relevant to know whether conventional semiconductor processes, already known, would be useable directly or would require completely new technologies. Having found a likely candidate after such a screening, it would be necessary to identify a specific area of application against an existing list of materials available with special reference to cost reduction considerations in large-scale production. Various families of organic semiconductors are reviewed here, especially with the objective of using them in niche areas of large-area electronic displays, flexible organic electronics, and organic photovoltaic solar cells. While doing so, it appears feasible to improve mobility and stability by adjusting π-conjugation and modifying the energy bandgap. Higher conductivity nanocomposites, formed by blending with chemically conjugated C-allotropes and metal nanoparticles, open exciting methods of designing flexible contact/interconnects for organic and flexible electronics as can be seen from the discussion included here.

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“…3 9,10-Diphenylanthracene (DPA) has recently attracted attention as an organic semiconductor with high electron and hole mobilities; the conducting mechanism is not fully understood but probably results from an effective intermolecular linking between successive layers inside the crystal, via the anthracene-backbone-phenyl-groups. 7 DPA crystallises in the space group C2/c with the molecule residing on the centre of symmetry at (¼, ¼, 0) and the two phenyl groups almost orthogonal (67.8°) to the anthracene backbone. Its ambient-pressure structure was first reported in 1979 (ref.…”

Section: Introductionmentioning

confidence: 99%

X-ray diffraction and computational studies of the pressure-dependent tetrachloroethane solvation of diphenylanthracene

et al. 2016

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The crystal structure of the organic semiconductor 9,10-diphenylanthracene (DPA) has been studied by single-crystal X-ray diffraction at variable pressure up to 3 GPa. Under ambient conditions and in the presence of 1,1,2,2-tetrachloroethane, the material invariably crystallises in an unsolvated form, in the space group C2/c, with Z′ = 1/2, as reported in the literature. As pressure is increased to a modest 0.5 GPa, crystallisation occurs in the form of a newly discovered solvate with a 1 : 2 DPA-tetrachloroethane stoichi- . Monte Carlo simulations show that the mobility of the solvent in its cage would be extremely reduced even under ambient conditions, ruling out a mechanism of solvate formation and subsequent release. According to a structure-oriented perspective, the kinetics of the process could then be such that the nucleating system at ambient pressure separates out the solvent, while a 0.5 GPa pressure provides a solute-solvent grip that forces cocrystallisation, in agreement with both experiments and simulations. Even in the absence of experimental or computational proof of the thermodynamic stability of the solvate at high pressure, this appears to be a plausible and sensible case scenario in its own right.

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Growth and Electronic Transport in 9,10‐Diphenylanthracene Single Crystals—An Organic Semiconductor of High Electron and Hole Mobility

Cited by 74 publications

References 19 publications

Organic Semiconductors for Field-Effect Transistors

Organic Semiconductors for Field-Effect Transistors

Organic semiconductors for device applications: current trends and future prospects

X-ray diffraction and computational studies of the pressure-dependent tetrachloroethane solvation of diphenylanthracene

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