Advanced Materials

Cover image for Vol. 26 Issue 7

February 19, 2014

Volume 26, Issue 7

Pages 981–1140

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Polymer Solar Cells: Ultraflexible Polymer Solar Cells Using Amorphous Zinc−Indium−Tin Oxide Transparent Electrodes (Adv. Mater. 7/2014) (page 981)

      Nanjia Zhou, Donald B. Buchholz, Guang Zhu, Xinge Yu, Hui Lin, Antonio Facchetti, Tobin J. Marks and Robert P. H. Chang

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470040

      Thumbnail image of graphical abstract

      Polymer solar cells are fabricated on flexible, highly conductive, transparent amorphous zinc indium tin oxide (a-ZITO) electrodes by R. P. H. Chang, T. J. Marks, A. Facchetti and co-workers on page 1098. For two representative active layer donor polymers, the power conversion efficiencies (PCEs) are comparable with those of reference devices using polycrystalline indium tin oxide (ITO) electrodes. The new devices are highly flexible and can be repeatedly bent to a radius of 5 mm without significant PCE reduction.

  2. Inside Front Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Two-Dimensional Materials: 25th Anniversary Article: MXenes: A New Family of Two-Dimensional Materials (Adv. Mater. 7/2014) (page 982)

      Michael Naguib, Vadym N. Mochalin, Michel W. Barsoum and Yury Gogotsi

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470041

      Thumbnail image of graphical abstract

      An atomistic model of Ti2CO2 intercalated with Li on the background of Ti3C2 MXene - a member of a new family of 2D transition metal carbides is presented. Metallic conductivity and ability to intercalate ions make MXenes promising for energy storage applications, such as batteries and supercapacitors. Their electronic and chemical properties can be tuned by controlling their surface terminations. This work is reviewed by Y. Gogotsi and co-workers on page 992. Credit: Babak Anasori and Vadym Mochalin.

  3. Inside Back Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Graphene: In Situ and Non-Volatile Bandgap Tuning of Multilayer Graphene Oxide in an All-Solid-State Electric Double-Layer Transistor (Adv. Mater. 7/2014) (page 1143)

      Takashi Tsuchiya, Kazuya Terabe and Masakazu Aono

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470045

      Thumbnail image of graphical abstract

      All-solid-state electric double layer transistors using graphene oxide (GO) and yttria stabilized zirconia (YSZ) proton conductors are developed. On page 1087, T. Tsuchiya, and co-workers report in situ and nonvolatile tuning of sp2/sp3 domain fractions in GO due to a proton-induced redox reaction at the GO/YSZ interface. The combination of the emerging 2D material and nano-ionics is a promising approach to derive excellent multifunctionality.

  4. Back Cover

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Organic Solar Cells: Microcavity-Embedded, Colour-Tuneable, Transparent Organic Solar Cells (Adv. Mater. 7/2014) (page 1144)

      Yi-Hong Chen, Chang-Wen Chen, Zheng-Yu Huang, Wei-Chieh Lin, Li-Yen Lin, Francis Lin, Ken-Tsung Wong and Hao-Wu Lin

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470046

      Thumbnail image of graphical abstract

      Transparent solar cells are particularly interesting due to their aesthetics and their combined functions of light harvesting, lighting, and indoor temperature control. On page 1129 H.-W. Lin and co-workers demonstrate a novel approach for developing transparent, universally applicable, and continuously color-tunable solar cells by embedding a metal/organic/metal microcavity structure as the device electrode. The devices show monochromatic colors across the whole visible-light range with power conversion efficiencies up to approximately 5%.

  5. Masthead

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Masthead: (Adv. Mater. 7/2014)

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470043

  6. Contents

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
  7. Correction

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
    2. You have free access to this content
      Detection of Single Nanoparticles and Lentiviruses Using Microcavity Resonance Broadening (page 991)

      Linbo Shao, Xue-Feng Jiang, Xiao-Chong Yu, Bei-Bei Li, William R. Clements, Frank Vollmer, Wei Wang, Yun-Feng Xiao and Qihuang Gong

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201400142

      This article corrects:

      Detection of Single Nanoparticles and Lentiviruses Using Microcavity Resonance Broadening

      Vol. 25, Issue 39, 5616–5620, Version of Record online: 12 AUG 2013

  8. Progress Reports

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. 25th Anniversary Article: MXenes: A New Family of Two-Dimensional Materials (pages 992–1005)

      Michael Naguib, Vadym N. Mochalin, Michel W. Barsoum and Yury Gogotsi

      Version of Record online: 19 DEC 2013 | DOI: 10.1002/adma.201304138

      Thumbnail image of graphical abstract

      MXenes are a new family of two-dimensional early transition metal carbides and carbonitrides produced by etching a metal layer from ternary layered carbides called MAX phases. This review describes the progress—both theoretical and experimental—in the synthesis, understanding of structure, measuring of properties, and development of applications of MXenes. In addition, future research directions and challenging open questions are discussed.

    2. Recent Advances in Polymer Solar Cells: Realization of High Device Performance by Incorporating Water/Alcohol-Soluble Conjugated Polymers as Electrode Buffer Layer (pages 1006–1024)

      Zhicai He, Hongbin Wu and Yong Cao

      Version of Record online: 16 DEC 2013 | DOI: 10.1002/adma.201303391

      Thumbnail image of graphical abstract

      This Progress Report highlights recent advances in polymer solar cells, with special attention focused on the recent rapid-growing progress using thin layer of alcohol/water-soluble conjugated polymers as key component to obtain optimized device performance, as well as novel materials, and device architectures made by major prestigious institutions in this field.

  9. Reviews

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. Carbon Nanotube and Graphene-based Bioinspired Electrochemical Actuators (pages 1025–1043)

      Lirong Kong and Wei Chen

      Version of Record online: 12 DEC 2013 | DOI: 10.1002/adma.201303432

      Thumbnail image of graphical abstract

      Carbon nanotubes and graphene have exceptional electrical, mechanical, and electromechanical properties, which makes them ideal candidates for advanced actuator materials. In this review, fundamental and recent developements of these carbon nanomaterials based IPMC electrochemical actuators are discussed in order to shed light on next-generation bio-inspired actuators with higher performance.

  10. Communications

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. Super Long-Life Supercapacitors Based on the Construction of Nanohoneycomb-Like Strongly Coupled CoMoO4–3D Graphene Hybrid Electrodes (pages 1044–1051)

      Xinzhi Yu, Bingan Lu and Zhi Xu

      Version of Record online: 27 NOV 2013 | DOI: 10.1002/adma.201304148

      Thumbnail image of graphical abstract

      Nanohoneycomb-like strongly coupled CoMoO4-3D graphene hybird electrodes are synthesized for supercapacitors which exhibit excellent specific capacitance and superior long-term cycle stability. The supercapacitor device can power a 5 mm-diameter LED efficiently for more than 3 min with a charging time of only 2 s, and shows high energy densities and good cycle stability.

    2. Determination of Polarization-Fields Across Polytype Interfaces in InAs Nanopillars (pages 1052–1057)

      Luying Li, Zhaofeng Gan, Martha R. McCartney, Hanshuang Liang, Hongbin Yu, Wan-Jian Yin, Yanfa Yan, Yihua Gao, Jianbo Wang and David J. Smith

      Version of Record online: 4 NOV 2013 | DOI: 10.1002/adma.201304021

      Thumbnail image of graphical abstract

      Polarization fields within InAs nanopillars with zincblende(ZB)/wurtzite(WZ) polytype stacking are quantified. The displacement of charged ions inside individual tetrahedra of WZ regions is measured at the atomic scale. The variations of spontaneous polarization along the interface normal are related to strain at interfaces of different polytypes. Thus, direct correlation between local atomic structure and electric properties is demonstrated.

    3. Steric-Repulsion-Based Magnetically Responsive Photonic Crystals (pages 1058–1064)

      Wei Luo, Huiru Ma, Fangzhi Mou, Mingxing Zhu, Jindan Yan and Jianguo Guan

      Version of Record online: 27 NOV 2013 | DOI: 10.1002/adma.201304134

      Thumbnail image of graphical abstract

      The first steric-repulsion-based magnetically responsive photonic crystals (MRPCs) is constructed by synthesizing uniform superparamagnetic polyvinylpyrrolidone-coated Fe3O4 colloidal nanocrystal clusters. The color tunable range of the MRPCs can not only cover almost the entire visible specztrum in solvents of diverse polarities, but also is insusceptible to ionic strength or pH values, facilitating the practical applications of MRPCs.

    4. Crystalline Polyethylene Nanofibers with the Theoretical Limit of Young's Modulus (pages 1065–1070)

      Pengfei Li, Lin Hu, Alan J. H. McGaughey and Sheng Shen

      Version of Record online: 27 NOV 2013 | DOI: 10.1002/adma.201304116

      Thumbnail image of graphical abstract

      A highly crystalline polyethylene nanofiber is deflected by a cantilever under an atomic force microscope. The resulting approach and retract curves on both nanofiber and silicon substrate yield the Young's modulus of the nanofiber. The experiments show that the average Young's modulus of polyethylene nanofibers with diameters from 70 nm to 260 nm can be as high as 312 GPa.

    5. Biomimetic Multifunctional Nanochannels Based on the Asymmetric Wettability of Heterogeneous Nanowire Membranes (pages 1071–1075)

      Jingchao Zhang, Yong Yang, Zhicheng Zhang, Pengpeng Wang and Xun Wang

      Version of Record online: 27 NOV 2013 | DOI: 10.1002/adma.201304270

      Thumbnail image of graphical abstract

      A charged heterogeneous nanowire membrane with asymmetric wettability serves as a biomimetic passive channel when the bilayer is hydrophilic; It also functions as pH valve based on the hydrophobic CaWO4 layer (contact angle of 145.3˚±0.3˚) and hydrophilic MnO2 layer. Moreover, a reversible ionic rectification is realized in the above-mentioned semi-hydrophobic and hydrophilic state with strong acid environment or in the complete hydrophobic stage with a moderate discrepancy (CA of CaWO4 and MnO2 layer are 141.3˚±0.3˚ and 157.6˚±2.0˚, respectively) in near neuter condition.

    6. Self-Assembly of Soft Hybrid Materials Directed by Light and a Magnetic Field (pages 1076–1080)

      Jan Hendrik Schenkel, Avik Samanta and Bart Jan Ravoo

      Version of Record online: 26 NOV 2013 | DOI: 10.1002/adma.201304689

      Thumbnail image of graphical abstract

      Dual-responsive soft matter: A soft hybrid material composed of superparamagnetic nanoparticles and cyclodextrin vesicles self-assembles in microscale linear aggregates in water in response to magnetic field as well as light.

    7. Tuning Optical Conductivity of Large-Scale CVD Graphene by Strain Engineering (pages 1081–1086)

      Guang-Xin Ni, Hong-Zhi Yang, Wei Ji, Seung-Jae Baeck, Chee-Tat Toh, Jong-Hyun Ahn, Vitor M. Pereira and Barbaros Özyilmaz

      Version of Record online: 11 DEC 2013 | DOI: 10.1002/adma.201304156

      Thumbnail image of graphical abstract

      A controllable optical anisotropy in CVD graphene is shown. The transparency in the visible range of pre-strained CVD graphene exhibits a periodic modulation as a function of polarization direction. The strain sensitivity of the optical response of graphene demonstrated here can be effectively utilized towards novel ultra-thin optical devices and strain sensing applications.

    8. In Situ and Non-Volatile Bandgap Tuning of Multilayer Graphene Oxide in an All-Solid-State Electric Double-Layer Transistor (pages 1087–1091)

      Takashi Tsuchiya, Kazuya Terabe and Masakazu Aono

      Version of Record online: 16 DEC 2013 | DOI: 10.1002/adma.201304770

      Thumbnail image of graphical abstract

      The sp2/sp3 domain fraction of multilayer graphene oxide (GO) is tuned in situ and in a non-volatile manner by using a proton-induced redox reaction at the interface of GO and the yttria-stabilized zirconia proton-conductor. This method opens the door for transparent, ultrathin, flexible, and low cost carbon-nanoionics devices that can control not only electronic transport, but also other properties such as photoluminescence and optics.

  11. Frontispiece

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. You have free access to this content
      Electrocatalysts: Highly Efficient Non-Precious Metal Electrocatalysts Prepared from One-Pot Synthesized Zeolitic Imidazolate Frameworks (Adv. Mater. 7/2014) (page 1092)

      Dan Zhao, Jiang-Lan Shui, Lauren R. Grabstanowicz, Chen Chen, Sean M. Commet, Tao Xu, Jun Lu and Di-Jia Liu

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201470044

      Thumbnail image of graphical abstract

      A method for the preparation of highly efficient, non-precious metal electrocatalysts for the oxygen reduction reaction, through pyrolyzing one-pot synthesized zeolitic imidazolate framework (ZIF) materials is reported by D.-J. Liu and co-workers on page 1093. Excellent current and power densities of the polymer electrolyte fuel cells are demonstrated using such catalysts as the cathode. This approach not only makes ZIF-based electrocatalysts easy to scale up, but also paves a new way for studying the influence of different N-containing ligands to the catalytic activity.

  12. Communications

    1. Top of page
    2. Cover Picture
    3. Inside Front Cover
    4. Inside Back Cover
    5. Back Cover
    6. Masthead
    7. Contents
    8. Correction
    9. Progress Reports
    10. Reviews
    11. Communications
    12. Frontispiece
    13. Communications
    1. Highly Efficient Non-Precious Metal Electrocatalysts Prepared from One-Pot Synthesized Zeolitic Imidazolate Frameworks (pages 1093–1097)

      Dan Zhao, Jiang-Lan Shui, Lauren R. Grabstanowicz, Chen Chen, Sean M. Commet, Tao Xu, Jun Lu and Di-Jia Liu

      Version of Record online: 19 DEC 2013 | DOI: 10.1002/adma.201304238

      Thumbnail image of graphical abstract

      A facile synthesis of non-PGM ORR electrocatalysts through thermolysis of one-pot synthesized ZIF is demonstrated. The electrocatalysts exhibit excellent activity, with a maximum volumetric current density of 88.1 A cm−3 measured at 0.8 V in PEFC tests. This approach not only makes ZIFs-based electrocatalysts easy to scale up, but also paves the way for the tailored synthesis of electrocatalysts.

    2. Ultraflexible Polymer Solar Cells Using Amorphous Zinc−Indium−Tin Oxide Transparent Electrodes (pages 1098–1104)

      Nanjia Zhou, Donald B. Buchholz, Guang Zhu, Xinge Yu, Hui Lin, Antonio Facchetti, Tobin J. Marks and Robert P. H. Chang

      Version of Record online: 7 OCT 2013 | DOI: 10.1002/adma.201302303

      Thumbnail image of graphical abstract

      Polymer solar cells are fabricated on highly conductive, transparent amorphous zinc indium tin oxide (a-ZITO) electrodes. For two representative active layer donor polymers, P3HT and PTB7, the power conversion efficiencies (PCEs) are comparable to reference devices using polycrystalline indium tin oxide (ITO) electrodes. Benefitting from the amorphous character of a-ZITO, the new devices are highly flexible and can be repeatedly bent to a radius of 5 mm without significant PCE reduction.

    3. Synthesis of Silk Fibroin Micro- and Submicron Spheres Using a Co-Flow Capillary Device (pages 1105–1110)

      Alexander N. Mitropoulos, Giovanni Perotto, Sunghwan Kim, Benedetto Marelli, David L. Kaplan and Fiorenzo G. Omenetto

      Version of Record online: 12 DEC 2013 | DOI: 10.1002/adma.201304244

      Thumbnail image of graphical abstract

      A custom-made co-flow capillary device is used to synthesize monodisperse silk fibroin micro- and submicron-spheres with diameters tunable over a wide range of sizes. A model drug release is examined and control of degradation kinetics is obtained by changing sphere diameter.

    4. Multiconfigurable Logic Gates Based on Fluorescence Switching in Adaptive Coordination Polymer Nanoparticles (pages 1111–1117)

      Fang Pu, Enguo Ju, Jinsong Ren and Xiaogang Qu

      Version of Record online: 18 NOV 2013 | DOI: 10.1002/adma.201304109

      Thumbnail image of graphical abstract

      Fluorescence switching of guest molecules confined in coordination polymer nanoparticles (CPNs) generated from nucleotides and lanthanide ions are used to construct multiconfigurable logic gates. Moreover, the potential of the material as fluorescent probe with large Stokes shift is demonstrated for cellular imaging. In this work the logic gate is integrated into the therapeutic agent and this will be highly beneficial in future molecular computing.

    5. Synergistic Effect of Fluorination on Molecular Energy Level Modulation in Highly Efficient Photovoltaic Polymers (pages 1118–1123)

      Maojie Zhang, Xia Guo, Shaoqing Zhang and Jianhui Hou

      Version of Record online: 20 NOV 2013 | DOI: 10.1002/adma.201304427

      Thumbnail image of graphical abstract

      The synergistic effect of fluorination on molecular energy level modulation is realized by introducing fluorine atoms onto both the donor and the acceptor moieties in a D–A polymer, and as a result, the polymer solar cell device based on the trifluorinated polymer, PBT-3F, shows a high efficiency of 8.6%, under illumination of AM 1.5G, 100 mW cm2.

    6. Superhydrophobicity-Mediated Electrochemical Reaction Along the Solid–Liquid–Gas Triphase Interface: Edge-Growth of Gold Architectures (pages 1124–1128)

      Yuchen Wu, Kesong Liu, Bin Su and Lei Jiang

      Version of Record online: 18 NOV 2013 | DOI: 10.1002/adma.201304062

      Thumbnail image of graphical abstract

      A superhydrophobic pillar-structured electrode leads to uncommon electrochemical behavior. The anti-wetting reaction surface restricts the contact between electrolyte and electrode to the pillar tops, as a result of trapped air pockets in the gaps between pillars. The electrochemical reaction occurs mainly at the solid/liquid/gas triphase interface, instead of the traditional solid/liquid diphase surface, yielding unique edge-growth structures — for example gold microflowers — on the top of each pillar.

    7. Microcavity-Embedded, Colour-Tuneable, Transparent Organic Solar Cells (pages 1129–1134)

      Yi-Hong Chen, Chang-Wen Chen, Zheng-Yu Huang, Wei-Chieh Lin, Li-Yen Lin, Francis Lin, Ken-Tsung Wong and Hao-Wu Lin

      Version of Record online: 17 DEC 2013 | DOI: 10.1002/adma.201304658

      Thumbnail image of graphical abstract

      In this work microcavity-capped colour-tuneable SMOSCs are evaluated. By adopting a microcavity-structured cathode with optical spacer layers of different thicknesses fabricated in a Ag/NPB/Ag structure, the transmission spectra of complete devices can be tuned over the entire visible-light region (400–750 nm). The fabricated semitransparent colour-tuneable solar cells show an average efficiency of 4.78% under 1-sun illumination.

    8. Identification of Binding Peptides on Calcium Silicate Hydrate: A Novel View on Cement Additives (pages 1135–1140)

      Andreas Picker, Luc Nicoleau, André Nonat, Christophe Labbez and Helmut Cölfen

      Version of Record online: 18 FEB 2014 | DOI: 10.1002/adma.201303345

      Thumbnail image of graphical abstract

      Phage display experiments on industrially important calcium silicate hydrates (C-S-H), the main hydration product of ordinary Portland cement, suggest fundamentally different specific binding motifs compared to hitherto existing commercial cement additives. According to that, a strong and specific adsorbing additive on C-S-H should have three features which are a negative charge, H-bond formers (especially amide functions) and a hydrophobic part.

SEARCH

SEARCH BY CITATION