Organic Electro‐optic Single‐ Crystalline Thin Films Grown Directly on Modified Amorphous Substrates

Kwon, O‐Pil; Kwon, SangJoo; Figi, Harry; Jazbinšek, Mojca; Günter, Peter

doi:10.1002/adma.200701698

Cited by 23 publications

(19 citation statements)

References 27 publications

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“…The color of the single‐crystal microwire arrays changes uniformly under crosspolarizers. This confirms the single crystal structure and the anisotropic crystalline nature of the oriented single‐crystal microwire arrays . Figure a 4 –d 4 , respectively, shows the atomic force microscopy (AFM) images of the TIPS‐pentacene single‐crystal microwire arrays on the different dielectrics.…”

Section: Resultssupporting

confidence: 64%

Dielectric Selection for Solution‐Processed High‐Mobility TIPS‐Pentacene Microwire Field‐Effect Transistors

Wang

Zhou

Tong

et al. 2019

Adv Materials Inter

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The dielectric effect on the mobility of the solution‐processed organic field‐effect transistors (OFETs) remains unknown. A major challenge is that most of the solution‐processed OFETs are obtained on hydrophilic dielectrics, while most of the commonly used dielectrics for high‐mobility OFETs are hydrophobic. In this work, by selecting a preferred solvent to ensure the good wettability of 6,13‐bis(triisopropylsilylethynyl)‐pentacene (TIPS‐pentacene) solution on both hydrophobic and hydrophilic dielectrics, the highly ordered TIPS‐pentacene single‐crystal microwire arrays are in situ grown on the hydrophobic and hydrophilic dielectrics via a solution‐processed method, and the dielectric effect on the mobility of the solution‐processed TIPS‐pentacene OFETs is investigated. The highest mobility on the divinyltetramethyldisiloxane‐bis(benzocyclobutene) (BCB)/SiO2 dielectric is ascribed to the matching of both the polar and dispersive components of surface energy between dielectric and semiconductor. This work powerfully confirms the direct effect of the dielectric properties on mobility, and provides a new method to select the optimized dielectric for solution‐processed high‐mobility OFETs.

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Section: Resultssupporting

confidence: 64%

Dielectric Selection for Solution‐Processed High‐Mobility TIPS‐Pentacene Microwire Field‐Effect Transistors

Wang

Zhou

Tong

et al. 2019

Adv Materials Inter

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“…In experimental studies, a wide variety of D–A‐substituted oligoenes have been prepared to investigate their second‐order NLO behavior 26–30. The second‐order NLO properties of D–A oligoynes have also been reported 31–33.…”

Section: Introductionmentioning

confidence: 99%

Comparison of CC Triple and Double Bonds as Spacers in Push–Pull Chromophores

et al. 2011

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We report the synthesis and properties of two series of homologous donor-acceptor (D-A) chromophores in which N, N-dimethylanilino (DMA) or N,N-dihexylanilino (DHA) donors and dicyanovinyl acceptors are separated by up to four CϵC triple-bond spacers or up to three C=C doublebond spacers. The intramolecular charge-transfer (CT) interactions of the new D-A oligoynes and the known all-trans D-A oligoenes were investigated by X-ray crystallography, electrochemistry, UV/Vis spectroscopy, and theoretical calcu-

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“…In addition, along every individual microwire the color is uniform under a fixed polarization angle. These results indicate the anisotropic crystalline nature of the oriented microwire arrays and the single-crystal structure of an individual microwire caused by the molecular packing [23][24][25]. Fig.…”

Section: Developed Drop-casting Methods In the Saturated Solvent Atmosmentioning

confidence: 80%

Single-crystal tetrathiafulvalene microwire arrays formed by drop-casting method in the saturated solvent atmosphere

et al. 2014

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Organic Electro‐optic Single‐ Crystalline Thin Films Grown Directly on Modified Amorphous Substrates

Cited by 23 publications

References 27 publications

Dielectric Selection for Solution‐Processed High‐Mobility TIPS‐Pentacene Microwire Field‐Effect Transistors

Dielectric Selection for Solution‐Processed High‐Mobility TIPS‐Pentacene Microwire Field‐Effect Transistors

Comparison of CC Triple and Double Bonds as Spacers in Push–Pull Chromophores

Single-crystal tetrathiafulvalene microwire arrays formed by drop-casting method in the saturated solvent atmosphere

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