Advanced Optical Materials

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Recently Published Articles

  1. Controlling Emitting Dipole Orientation with Methyl Substituents on Main Ligand of Iridium Complexes for Highly Efficient Phosphorescent Organic Light-Emitting Diodes

    Kwon-Hyeon Kim, Jae-Yeol Ma, Chang-Ki Moon, Jeong-Hwan Lee, Jang Yeol Baek, Yun-Hi Kim and Jang-Joo Kim

    Article first published online: 21 APR 2015 | DOI: 10.1002/adom.201500141

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    Orientation of emission dipoles of heteroleptic iridium complexes in an emitting layer is controlled toward the horizontal direction by substituting the hydrogen atoms of the cyclometalated ligand by methyl groups and demonstrates an organic light-emitting diode with an unprecedentedly high external quantum efficiency of 34.1% and power efficiency of 157.6 lm W−1 using a new green emitter.

  2. Optical Materials for Spectral Management (page 422)

    R. B. Wehrspohn and S. Schweizer

    Article first published online: 21 APR 2015 | DOI: 10.1002/adom.201500137

  3. Masthead: (Advanced Optical Materials 4/2015)

    Article first published online: 21 APR 2015 | DOI: 10.1002/adom.201570024

  4. Photovoltaics: Photonic Crystal-Driven Spectral Concentration for Upconversion Photovoltaics (Advanced Optical Materials 4/2015) (page 594)

    Jose Marques-Hueso, Romain Peretti, Rafael Abargues, Bryce S. Richards, Christian Seassal and Juan P. Martínez-Pastor

    Article first published online: 21 APR 2015 | DOI: 10.1002/adom.201570025

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    Twenty percent of the energy of the solar spectrum is lost as transmission losses in silicon solar cells. Current optical upconverters can recycle some of these NIR photons only at certain wavelength ranges. Photonic crystals and quantum dots are combined on page 568 by J. Marques-Hueso et al. in order to achieve NIR spectral concentration in the 1470–1580 nm range, which is suitable for absorption of erbium-doped upconverters.

  5. Phosphors: Tuning the Luminescence of Phosphors: Beyond Conventional Chemical Method (Advanced Optical Materials 4/2015) (page 416)

    Gongxun Bai, Ming-Kiu Tsang and Jianhua Hao

    Article first published online: 21 APR 2015 | DOI: 10.1002/adom.201570021

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    Physical methods presented by J. Hao and co-workers can tune the luminescence of phosphors. On page 431, the principles of this luminescence tuning and some primary strategies are described. Various applications are highlighted based on different groups of phosphors, including metal ion-doped phosphors, semiconductors, nanomaterials, and stimuli-responsive organic phosphors.