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Recently Published Articles

  1. Dynamic Manipulation of Optical Anisotropy of Suspended Poly-3-hexylthiophene Nanofibers

    Gleb S. Lobov, Yichen Zhao, Aleksandrs Marinins, Min Yan, Jiantong Li, Abhilash Sugunan, Lars Thylén, Lech Wosinski, Mikael Östling, Muhammet S. Toprak and Sergei Popov

    Version of Record online: 26 JUL 2016 | DOI: 10.1002/adom.201600226

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    Poly-3-hexylthiophene nanofibers perform strong optical anisotropy, which in combination with their ability to be aligned by external electric field, provides a basis for dynamic manipulation of birefringence. Dynamic reversible modulation of birefringence or absorption through switchable reorientation of nanofibers can be implemented in a novel photonic device as an alternative to liquid crystal-based techniques.

  2. Amorphous, Efficient, Room-Temperature Phosphorescent Metal-Free Polymers and Their Applications as Encryption Ink

    Hui Chen, Xuyang Yao, Xiang Ma and He Tian

    Version of Record online: 22 JUL 2016 | DOI: 10.1002/adom.201600427

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    A facile way to construct metal-free phosphorescent amorphous polymers is developed. The resulting materials show strong room-temperature phosphorescence (RTP) luminescence in ambient atmosphere, and phosphorescent quantum yields are achieved at a high level without extra processing. Some potential applications as encryption ink are also studied as the materials are water-responsive and photoresponsive.

  3. Shell-Isolated Nanoparticle-Enhanced Raman Spectroscopy at Single-Crystal Electrode Surfaces

    Jin-Chao Dong, Rajapandiyan Panneerselvam, Ying Lin, Xiang-Dong Tian and Jian-Feng Li

    Version of Record online: 21 JUL 2016 | DOI: 10.1002/adom.201600223

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    Shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) largely overcomes the material and morphology limitations of surface-enhanced Raman spectroscopy. As “smart dusts”, shell-isolated nanoparticles are applied to a variety of challenging systems, especially for the in situ investigation of molecular adsorption and electrocatalytic reaction processes at well-defined single-crystal surfaces, where the SHINERS technique can provide direct spectral evidence.

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    Photovoltaic Devices: Organic Heptamethine Salts for Photovoltaics and Detectors with Near-Infrared Photoresponse up to 1600 nm (Advanced Optical Materials 7/2016) (page 1027)

    Margaret Young, John Suddard-Bangsund, Tyler J. Patrick, Natalia Pajares, Christopher J. Traverse, Miles C. Barr, Sophia Y. Lunt and Richard R. Lunt

    Version of Record online: 20 JUL 2016 | DOI: 10.1002/adom.201670039

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    A new series of organic heptamethine salts with a wavelength-selective near-infrared photoresponse as deep as 1600 nm is demonstrated by R. R. Lunt and co-workers on page 1028. This work expands the spectral window for organic molecules and can be used to enable low-cost near-infrared photodetectors, transparent photovoltaics, and multijunction solar cells.

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    White Light Emission: A Full Vacuum Approach for the Fabrication of Hybrid White-Light-Emitting Thin Films and Wide-Range In Situ Tunable Luminescent Microcavities (Advanced Optical Materials 7/2016) (page 1134)

    Youssef Oulad-Zian, Juan Ramon Sanchez-Valencia, Manuel Oliva, Julian Parra-Barranco, Maria Alcaire, Francisco J. Aparicio, Ana Mora-Boza, Juan Pedro Espinos, Francisco Yubero, Agustin R. Gonzalez-Elipe, Angel Barranco and Ana Borras

    Version of Record online: 20 JUL 2016 | DOI: 10.1002/adom.201670041

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    A wide-range in situ tunable 1D Bragg microcavity including a hybrid layer as white light emitter defect is shown by J. R. Sanchez-Valencia, A. Borras, and co-workers on page 1124. White emission is obtained by Förster resonance energy transfer between blue (1,3,5-triphenyl-2-pyrazoline) and orange (rubrene) dyes homogeneously infiltrated within the host nanocolumnar SiO2 film, which is formed by glancing angle deposition. Sequential physical vapor deposition at low temperatures provides the organic dyes localization within the porous nanostructure of the defect layer.