Výsledky vyhledávání - "Jonathan D. Matichak"

Cationic Polyelectrolyte for Anionic Cyanines: An Efficient Way To Translate Molecular Properties into Material Properties

Autor: Eric W. Van Stryland, Akbar Ali Syed, David J. Hagan, Alex K.-Y. Jen, Iryna Davydenko, Jonathan D. Matichak, Peng Zhao, Rajesh Sharma, Sei-Hum Jang, Jeffrey Yang, Trenton R. Ensley, Zhong'an Li, Seth R. Marder

Publikováno v: Journal of the American Chemical Society. 141(43)

In this work, a new phosphonium-containing cationic polyelectrolyte (PE1) has been rationally designed and developed via a facile click-chemistry type postfunctionalization, which can form complexe...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccbc3ef3008a07cc8ff2f5cb2af20fd6
https://pubmed.ncbi.nlm.nih.gov/31573193

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Nonlinear Optical Properties of Chalcogenopyrylium-Terminated Heptamethine Dyes in Multiple Polymer Hosts

Autor: Taylor G. Allen, San-Hui Chi, Seth R. Marder, Joel M. Hales, Bhupinder Sandhu, Victor N. Khrustalev, Yulia A. Getmanenko, Tatiana V. Timofeeva, Marina S. Fonari, Jonathan D. Matichak, Stephen Barlow, Joseph W. Perry, Hyeongeu Kim, Kyrill Yu. Suponitsky, Yadong Zhang

Publikováno v: Frontiers in Optics 2017.

Z-scan and linear loss measurements on polymethine-polymer blends with varied chalcogens and hosts confirm polymethine aggregation as the primary interaction influencing solid-state NLO properties for ultrafast all-optical signal-processing.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0032d192da8ada0b358a9f3f05f3d5df
https://doi.org/10.1364/fio.2017.jtu3a.61

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Effects of Dendronization on the Linear and Third-Order Nonlinear Optical Properties of Bis(thiopyrylium) Polymethine Dyes in Solution and the Solid State

Autor: Stephen Barlow, Annabelle Scarpaci, Joel M. Hales, Seth R. Marder, Joseph W. Perry, Mariacristina Rumi, Jonathan D. Matichak, Arpornrat Nantalaksakul

Publikováno v: Chemistry of Materials. 24:1606-1618

Effects of the size and attachment position of benzyl aryl ether dendrons covalently attached to bis(thiopyrylium) penta- and heptamethines on the optical properties of these dyes in solution and in solid films have been investigated. In dilute solut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a503e03773e9b36b21e74f26dc8c3d5
https://doi.org/10.1021/cm3002139

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Effect of side groups on the vacuum thermal evaporation of polythiophenes for organic electronics

Autor: Andrew A. R. Watt, Hazel E. Assender, Peter Kovacik, Shawn M. Willis, Jonathan D. Matichak

Publikováno v: Organic Electronics. 13:687-696

The vacuum thermal evaporation of poly(3-hexylthiophene) (P3HT) and poly(thiophene) (PTh) conductive polymers with and without side groups is reported. The role of side groups in relation to structural and electronic properties is examined. FT-IR and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57df5e03c153501782bcaaa3e92b6155
https://doi.org/10.1016/j.orgel.2012.01.005

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Design of Polymethine Dyes with Large Third-Order Optical Nonlinearities and Loss Figures of Merit

Autor: Jonathan D. Matichak, Joseph W. Perry, Stephen Barlow, Joel M. Hales, Seth R. Marder, Kada Yesudas, Shino Ohira, Jean-Luc Brédas

Publikováno v: Science. 327:1485-1488

Dying by Design To make optical-switching applications a reality, losses from scattering and other absorption processes have to be minimized. Hales et al. (p. 1485 , published online 18 February; see the Perspective by Haque and Nelson ) present a st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b238da085b40ecb84cb34af96b08f4a8
https://doi.org/10.1126/science.1185117

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Using End Groups to Tune the Linear and Nonlinear Optical Properties of Bis(dioxaborine)-Terminated Polymethine Dyes

Autor: Joel M. Hales, Jonathan D. Matichak, Shino Ohira, Joseph W. Perry, Seth R. Marder, Stephen Barlow, Alex K.-Y. Jen, Sei-Hum Jang, Jean-Luc Brédas

Publikováno v: ChemPhysChem. 11:130-138

Six anionic pentamethine dyes with different 2,2-difluoro-4-aryl-1,3,2(2 H)-dioxaborin-6-yl termini were synthesized and isolated as tetra-n-octylammonium salts with a variety of aryl groups appended to increase conjugation beyond the dioxaborine ter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d1e4289d099c40390495b7cc63d7f5d
https://doi.org/10.1002/cphc.200900635

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Linear and Nonlinear Spectroscopy of a Porphyrin−Squaraine−Porphyrin Conjugated System

Autor: Harry L. Anderson, Gero Nootz, Jonathan D. Matichak, Seth R. Marder, Lazaro A. Padilha, David J. Hagan, Olga V. Przhonska, Eric W. Van Stryland, Scott Webster, Stephen Barlow, Davorin Peceli, Susan A. Odom, Alexei D. Kachkovski, Honghua Hu

Publikováno v: The Journal of Physical Chemistry B. 113:14854-14867

The linear and nonlinear absorption properties of a squaraine-bridged porphyrin dimer (POR-SQU-POR) are investigated using femto-, pico-, and nanosecond pulses to understand intramolecular processes, obtain molecular optical parameters, and perform m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8437db5f1f4777a59ccd88a33771417
https://doi.org/10.1021/jp904460f

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Ultrafast energy transfer in biomimetic multistrand nanorings

Autor: Laura M. Herz, Nuntaporn Kamonsutthipaijit, Christiane E. I. Knappke, Jonathan D. Matichak, Harry L. Anderson, Patrick Parkinson, Kanokkorn Sirithip

Publikováno v: Journal of the American Chemical Society
Parkinson, P, Knappke, C E I, Kamonsutthipaijit, N, Sirithip, K, Matichak, J D, Anderson, H L & Herz, L M 2014, ' Ultrafast energy transfer in biomimetic multistrand nanorings ', Journal of Physical Chemistry Letters, vol. 136, no. 23, pp. 8217-20 . https://doi.org/10.1021/ja504730j

We report the synthesis of LH2-like supramolecular double- and triple-stranded complexes based upon porphyrin nanorings. Energy transfer from the antenna dimers to the $\pi$-conjugated nanoring occurs on a subpicosecond time scale, rivaling transfer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9f2021294e7a4b019298143b725f74c
http://ora.ox.ac.uk/objects/uuid:675b3280-1621-4794-8e41-445e563b166c

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Dioxaborine- and indole-terminated polymethines: effects of bridge substitution on absorption spectra and third-order polarizabilities

Autor: Stephen Barlow, Joel M. Hales, Joseph W. Perry, Jonathan D. Matichak, Seth R. Marder

Publikováno v: The journal of physical chemistry. A. 115(11)

Cyanine-like dyes are promising candidates for third-order nonlinear optical (NLO) applications such as all-optical switching. Here, we examine the consequences for linear and nonlinear optical properties of varying substituents on the central methin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::791845a54d8d9950f941d850fed93897
https://pubmed.ncbi.nlm.nih.gov/21361264

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