Advanced Optical Materials

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Recently Published Articles

  1. Hybrid Graphene–Perovskite Phototransistors with Ultrahigh Responsivity and Gain

    Yusheng Wang, Yupeng Zhang, Yao Lu, Weidong Xu, Haoran Mu, Caiyun Chen, Hong Qiao, Jingchao Song, Shaojuan Li, Baoquan Sun, Yi-Bing Cheng and Qiaoliang Bao

    Article first published online: 24 APR 2015 | DOI: 10.1002/adom.201500150

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    A photoconductive gain of109 electrons per photon and a responsivity of ≈6.0 × 105 A W−1 are demonstrated in a hybrid photodetector that consists of monolayer graphene covered with a thin layer of dispersive organolead halide perovskite (CH3NH3PbBr2I) islands with sizes up to micrometers. The s-scanning near-field optical microscopy and photo­current mapping results provide real-space evidence for the charge transfer and photogating effect.

  2. High-Performance Organic Solar Cells with Broadband Absorption Enhancement and Reliable Reproducibility Enabled by Collective Plasmonic Effects

    Xuanhua Li, Xingang Ren, Fengxian Xie, Yongxing Zhang, Tingting Xu, Bingqing Wei and Wallace C. H. Choy

    Article first published online: 22 APR 2015 | DOI: 10.1002/adom.201500107

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    A significant enhancement of organic solar cell (OSC) performance from a power conversion efficiency (PCE) = 7.7% up to a maximum of 9.62% is reported, which is one of the highest efficiencies for plasmonic OSCs reported thus far for a single junction OSC. Importantly, the as-proposed device shows an excellent reproducibility of these devices, which is more applicable for the practical application.

  3. 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.

  4. You have free access to this content
    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

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    Masthead: (Advanced Optical Materials 4/2015)

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

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