ChemSusChem

Cover image for Vol. 6 Issue 10

Special Issue: Shaping Nanostructures for Applications in Energy Conversion and Storage

October 2013

Volume 6, Issue 10

Pages 1779–2021

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
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      Cover Picture: Shaping Nanostructures for Applications in Energy Conversion and Storage (ChemSusChem 10/2013) (page 1779)

      Prof. Dr. Hong Yang and Prof. Dr. Yadong Yin

      Version of Record online: 14 OCT 2013 | DOI: 10.1002/cssc.201300995

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      The cover image of this Special Issue of ChemSusChem shows how a large variety of nanostructures can be applied to reach sustainability goals. The shapes investigated are as diverse as mesoporous hollow shells, core–shell nanoparticles, overgrown trisoctahedra, and nanoporous particles, whereas their possible applications span from the dehydration of compounds obtained from biomass to the oxygen reduction reaction, CO stripping, and photocatalytic hydrogen production. More about the shape control of nanostructures, their use, and the papers in this special issue can be found in the Editorial by the guest editors Hong Yang and Yadong Yin on page 1781 (DOI: 10.1002/cssc.201300996).

  2. Editorial

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. You have free access to this content
      Shaping Nanostructures for Applications in Energy Conversion and Storage (pages 1781–1783)

      Prof. Dr. Hong Yang and Prof. Dr. Yadong Yin

      Version of Record online: 14 OCT 2013 | DOI: 10.1002/cssc.201300996

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      In great shape: The conversion and storage of energy based on abundant natural resources such as water play an important role in the development of sustainable technologies. Such processes often depend on the use of catalysts that allow chemical and electrochemical reactions to occur effectively. This thematic issue aims to inspire further development of innovative approaches and well-defined nanomaterials for energy and sustainability applications.

  3. Graphical Abstract

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. You have free access to this content
  4. Masthead

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. Masthead: ChemSusChem 10/2013 (page 1793)

      Version of Record online: 14 OCT 2013 | DOI: 10.1002/cssc.201390036

  5. News

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
  6. Review

    1. Top of page
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    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. Shape-Controlled Nanostructures in Heterogeneous Catalysis (pages 1797–1820)

      Francisco Zaera

      Version of Record online: 6 SEP 2013 | DOI: 10.1002/cssc.201300398

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      Controlling catalysis: Nanotechnology affords the preparation of nanomaterials with well-defined sizes and shapes, and many of those nanomaterials are now used in heterogeneous catalysis. The major issues associated with the application of this nanotechnology to control the activity and selectivity of the resulting catalysts through the control of the shape and size of the nanostructures are surveyed.

  7. Minireviews

    1. Top of page
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    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. Shape-Controlled Ceria-based Nanostructures for Catalysis Applications (pages 1821–1833)

      Dr. Zhen-An Qiao, Dr. Zili Wu and Dr. Sheng Dai

      Version of Record online: 23 SEP 2013 | DOI: 10.1002/cssc.201300428

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      Ceria catalysis: The shape-controlled synthesis of ceria-based nanomaterials is of high importance for environment- and energy-related applications. This Minireview highlights the recent progress in the research of ceria nanoshapes as both catalysts and catalyst supports, including the synthesis, structure characterization, catalytic properties, surface chemistry, as well as reaction mechanism.

    2. Shape- and Size-Controlled Nanomaterials for Artificial Photosynthesis (pages 1834–1847)

      Prof. Dr. Shunichi Fukuzumi and Prof. Dr. Yusuke Yamada

      Version of Record online: 12 AUG 2013 | DOI: 10.1002/cssc.201300361

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      Taking control: The focus is on the control of shape and size of nanomaterials utilized in the development of light-harvesting and charge-separation nanomaterials as well as nanosized catalysts for water oxidation and reduction in artificial photosynthesis. The efficiency of metal and metal-oxide nanoparticle catalysts can be improved by controlling the shapes and sizes of the nanoparticles. Shape- and size-controlled nanoparticles aimed to be utilized in artificial photosynthesis are reviewed.

    3. Octahedral Noble-Metal Nanoparticles and Their Electrocatalytic Properties (pages 1848–1857)

      Chenyu Wang and Prof. Dr. Jiye Fang

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/cssc.201300418

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      Get in shape! Octahedrally shaped noble-metal nanocrystals are fascinating for their unique properties, owing to their exclusively exposed {111} facets, Oh symmetric structure, and close-packed surface atoms in low-index surface categories. Advances in synthetic approaches, mechanistic studies, and electrocatalytic performances of noble-metal nano-octahedra are systematically discussed (see picture).

  8. Communications

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. Au–Pd Core–Shell Nanoparticles as Alcohol Oxidation Catalysts: Effect of Shape and Composition (pages 1858–1862)

      Dr. Soshan Cheong, Leah Graham, Dr. Gemma L. Brett, Anna M. Henning, Dr. John Watt, Dr. Peter J. Miedziak, Dr. Minghui Song, Dr. Yoshihiko Takeda, Dr. Stuart H. Taylor and Prof. Richard D. Tilley

      Version of Record online: 4 SEP 2013 | DOI: 10.1002/cssc.201300483

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      The right combination: Shape and composition are two important factors governing the catalytic properties of bimetallic nanocatalysts. Combining gold and palladium in a Au-core–Pd-shell structure coupled with an icosahedral morphology is shown to maximize catalytic performance for the selective oxidation of the biorenewable sources glycerol and 1,2-propanediol to glyceric and lactic acids, respectively.

    2. Synthesis of Pt–Cu Nanodendrites through Controlled Reduction Kinetics for Enhanced Methanol Electro-Oxidation (pages 1863–1867)

      Eric Taylor, Dr. Shutang Chen, Dr. Jing Tao, Dr. Lijun Wu, Dr. Yimei Zhu and Prof. Jingyi Chen

      Version of Record online: 17 SEP 2013 | DOI: 10.1002/cssc.201300527

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      Final reductions: Alloyed Pt–Cu nanodendrites are synthesized through a two-step co-reduction method, in which the reduction rate is controlled by the oxidative etchants and the reducing agents. These dendritic nanostructures are the result of overgrowth along the <111> axis of the face-centered cubic structure and the coalescence of small dendritic seeds. These nanodendrites are highly active for methanol electro-oxidation because of their unique structure and the bifunctionality of Pt and Cu.

    3. Gold Clusters Alloyed to Nanoporous Palladium Surfaces as Highly Active Bimetallic Oxidation Catalysts (pages 1868–1872)

      Yongjia Li, Enbo Zhu, Yu Chen, Dr. Chinyi Chiu, Hang Yu, Dr. Xiaoqing Huang, Prof. Robert Hicks and Prof. Yu Huang

      Version of Record online: 12 SEP 2013 | DOI: 10.1002/cssc.201300477

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      Gold rush: Nanoporous palladium particles are decorated with gold clusters by galvanic replacement. The bimetallic pPd@Au nanocatalysts feature a well-defined nanoporous morphology coupled to a highly accessible surface area with segregated Au clusters, and are highly active in both benzyl alcohol oxidation and formic acid electro-oxidation. The amount of Au in the catalyst system determines the extent of alloying as well as the accessibility to catalytically more active Pd surface atoms.

    4. Ultrathin {001}-Oriented Bismuth Tungsten Oxide Nanosheets as Highly Efficient Photocatalysts (pages 1873–1877)

      Dr. Songmei Sun, Prof. Wenzhong Wang, Dr. Ling Zhang, Dr. Erping Gao, Dr. Dong Jiang, Dr. Yongfu Sun and Prof. Yi Xie

      Version of Record online: 10 SEP 2013 | DOI: 10.1002/cssc.201300406

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      Orient express: Ultrathin nanosheets of bismuth tungsten oxide (Bi2WO6) with {001}-orientation are prepared by a pH-controlled synthesis. The sheets have aspect ratios as large as 30:1, and offer superior adsorption and hole oxidation properties as well as prolonged charge-carrier lifetimes.The ultrathin structures show enhanced photocatalytic activity towards organic contaminant degradation and water oxidation.

    5. Shape-Controlled Synthesis of Monodisperse PdCu Nanocubes and Their Electrocatalytic Properties (pages 1878–1882)

      Qiang Gao, Yi-Ming Ju, Duo An, Dr. Min-Rui Gao, Chun-Hua Cui, Jian-Wei Liu, Huai-Ping Cong and Prof. Dr. Shu-Hong Yu

      Version of Record online: 28 AUG 2013 | DOI: 10.1002/cssc.201300404

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      Monodisperse PdCu nanocubes for ORR: Uniform PdCu nanocubes with a side length of 12 nm can be synthesized through a one-pot colloidal synthesis. These cubes display a substantially enhanced oxygen reduction reaction (ORR) activity compared with that of PdCu nanoparticles, Pd nanoparticles, and commercial Pt/C catalysts.

    6. Low-Temperature Carbon Monoxide Oxidation with Au–Cu Meatball-Like Cages Prepared by Galvanic Replacement (pages 1883–1887)

      Changjiang Zhou, Xi Jiang, Dr. Lini Yang, Prof. Yadong Yin and Prof. Mingshang Jin

      Version of Record online: 28 AUG 2013 | DOI: 10.1002/cssc.201300401

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      Cu meatball-like spheres are prepared by a simple approach and used to obtain Au–Cu meatball-like cages with hollow interiors and porous shells by a galvanic replacement reaction. Characterization indicates that the particles, whose morphology holds promise for catalysis applications, are not comprised of an alloy but rather of discrete copper and gold regions. The bimetallic cages show strongly enhanced activity towards carbon monoxide (CO) oxidation reaction at low temperatures.

    7. Enhanced Stability of (111)-Surface-Dominant Core–Shell Nanoparticle Catalysts Towards the Oxygen Reduction Reaction (pages 1888–1892)

      Dr. Jianbo Wu, Miao Shi, Xi Yin and Prof. Dr. Hong Yang

      Version of Record online: 24 JUL 2013 | DOI: 10.1002/cssc.201300388

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      Holy GRAILS: The synthesis of composition- and shape-controlled alloy@alloy core–shell multimetallic nanoparticles using the GRAILS method is reported. Pt-M@Pt-Pd (where M=Co and Ni) nanocrystals are synthesized in the forms of truncated and regular octahedra by using carbon monoxide. Compared to an octahedral Pt3Ni catalyst, the Pt3Ni@Pt3Pd catalyst shows a comparably high activity but better stability towards the oxygen reduction reaction.

    8. Growth of Concave Polyhedral Pd Nanocrystals with 32 Facets Through In Situ Facet-Selective Etching (pages 1893–1897)

      Dr. Zhi-cheng Zhang, Dr. Farhat Nosheen, Dr. Jing-chao Zhang, Dr. Yong Yang, Dr. Peng-peng Wang, Dr. Jing Zhuang and Prof.Dr. Xun Wang

      Version of Record online: 13 JUN 2013 | DOI: 10.1002/cssc.201300346

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      Facing the pyramids by etching forward: Concave palladium polyhedra have been successfully prepared by selectively etching the {100} facets in situ by I ions. Due to the presence of a high density of atomic steps and surface relaxation, the concave palladium polyhedra exhibit an enhanced electrocatalytic activity towards ethanol oxidation.

  9. Full Papers

    1. Top of page
    2. Cover Picture
    3. Editorial
    4. Graphical Abstract
    5. Masthead
    6. News
    7. Review
    8. Minireviews
    9. Communications
    10. Full Papers
    1. Exposed Surfaces on Shape-Controlled Ceria Nanoparticles Revealed through AC-TEM and Water–Gas Shift Reactivity (pages 1898–1906)

      Shilpa Agarwal, Prof. Leon Lefferts, Dr. Barbara L. Mojet, Dr. D. A. J. Michel Ligthart, Prof. Emiel J. M. Hensen, Dr. David R. G. Mitchell, Willem J. Erasmus, Dr. Bruce G. Anderson, Dr. Ezra J. Olivier, Prof. Johannes H. Neethling and Prof. Abhaya K. Datye

      Version of Record online: 24 SEP 2013 | DOI: 10.1002/cssc.201300651

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      Show your face, and we know what you do: CeO2 nanoshapes have been investigated to determine the exposed surfaces and internal defects. CeO2 rods and octahedra expose mainly (111) planes, whereas cubes are composed primarily of (100) facets. The nature of the exposed surfaces affects the activity in the water–gas shift reaction as well as the interaction of surface sites with CO.

    2. Ultrafast Transient Absorption Studies of Hematite Nanoparticles: The Effect of Particle Shape on Exciton Dynamics (pages 1907–1914)

      Dr. Bob C. Fitzmorris, Jonathan M. Patete, Jacqueline Smith, Xiomara Mascorro, Staci Adams, Prof. Stanislaus S. Wong and Prof. Jin Z. Zhang

      Version of Record online: 18 SEP 2013 | DOI: 10.1002/cssc.201300571

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      Throw some shapes: Differently shaped hematite nanostructures, that is, nanocubes, nanorhomohedra, nanorice, and spheroidal nanoparticles. Initial transient absorption spectra for the four samples vary widely. Single-value decomposition global fitting is used to deconvolute the initial spectra into B-spectra. For all samples, the fast components have broader B-spectra than the slow components, indicating that the fast components of the decay involve multiple electronic transitions, or states that have broad electronic absorption spectra.

    3. High-Temperature-Stable and Regenerable Catalysts: Platinum Nanoparticles in Aligned Mesoporous Silica Wells (pages 1915–1922)

      Dr. Chaoxian Xiao, Raghu V. Maligal-Ganesh, Dr. Tao Li, Zhiyuan Qi, Dr. Zhiyong Guo, Kyle T. Brashler, Shannon Goes, Xinle Li, Tian Wei Goh, Dr. Randall E. Winans and Prof. Wenyu Huang

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/cssc.201300524

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      Particle in the well: Stable and regenerable heterogeneous catalysts with a particle-in-a-well structure—Pt nanoparticles confined in between a SiO2 core and a mesoporous SiO2 shell with aligned channels—show stable catalytic activity for cyclohexane dehydrogenation at 500 °C. The catalysts can be deactivated by carbon deposition. The deactivated catalysts can be fully regenerated by a facile calcination at 500 °C with 20 % O2 in He.

    4. Controlled Synthesis of Nanosized Palladium icosahedra and Their Catalytic Activity towards Formic-Acid Oxidation (pages 1923–1930)

      Tian Lv, Yi Wang, Dr. Sang-Il Choi, Dr. Miaofang Chi, Dr. Jing Tao, Prof. Likun Pan, Prof. Cheng Zhi Huang, Dr. Yimei Zhu and Prof. Younan Xia

      Version of Record online: 17 SEP 2013 | DOI: 10.1002/cssc.201300479

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      Enhancement of catalytic activity by twin defects: Pd icosahedra with multiple twin defects and controlled sizes in the range of 5–35 nm are synthesized in high purity (>94 %) by manipulating reaction kinetics and show a higher catalytic activity towards formic-acid oxidation than single-crystal Pd octahedra and commercial Pd/C.

    5. Hollow AgI:Ag Nanoframes as Solar Photocatalysts for Hydrogen Generation from Water Reduction (pages 1931–1937)

      Prof. Dr. Changhua An, Jizhuang Wang, Junxue Liu, Shutao Wang and Dr. Yugang Sun

      Version of Record online: 17 SEP 2013 | DOI: 10.1002/cssc.201300463

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      A touch of silver: A generic strategy is developed for the facile synthesis of hollow AgI:Ag nanostructures (nanoframes and nanoshells) through the controlled anion-exchange reaction of various solid silver halide nanoparticles with different shapes. These hollow AgI:Ag nanostructures can serve as photocatalysts to drive the water reduction reaction for hydrogen generation under the illumination of simulated sunlight.

    6. Site-Specific Carbon Deposition for Hierarchically Ordered Core/Shell-Structured Graphitic Carbon with Remarkable Electrochemical Performance (pages 1938–1944)

      Yingying Lv, Dr. Zhangxiong Wu, Dr. Xufang Qian, Yin Fang, Dr. Dan Feng, Prof. Yongyao Xia, Prof. Bo Tu and Prof. Dongyuan Zhao

      Version of Record online: 13 SEP 2013 | DOI: 10.1002/cssc.201300458

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      Site-specific carbon deposition process: A site-specific carbon deposition process within nanozeolite@mesoporous silica templates, controlled through switching the shells of the templates “on” or “off”, allows selective carbon deposition in the inner cores only or within the outer shells only, resulting in a zeolite-like ordered microporous carbon or a hollow mesoporous carbon.

    7. Au@Pd Core–Shell Nanobricks with Concave Structures and Their Catalysis of Ethanol Oxidation (pages 1945–1951)

      Wenjin Wang, Dr. Jie Zhang, Prof. Shengchun Yang, Bingjun Ding and Xiaoping Song

      Version of Record online: 8 AUG 2013 | DOI: 10.1002/cssc.201300454

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      Not just another brick in the wall: Brick-like Au@Pd core–shell nanobricks (CNBs) with a concave surface were synthesized through a one-pot procedure, and show an enhanced performance towards ethanol electrooxidation. The improved performance of the CNBs is a result of the exposed stepped surfaces, high-index facets, and the synergistic effects of the core and shell metals.

    8. Gold-Nanoparticle-Based Catalysts for the Oxidative Esterification of 1,4-Butanediol into Dimethyl Succinate (pages 1952–1958)

      Dr. Gemma L. Brett, Dr. Peter J. Miedziak, Dr. Qian He, Prof. David W. Knight, Dr. Jennifer K. Edwards, Dr. Stuart H. Taylor, Prof. Christopher J. Kiely and Prof. Graham J. Hutchings

      Version of Record online: 18 SEP 2013 | DOI: 10.1002/cssc.201300420

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      Twice as nice: The oxidation of 1,4-butanediol and butyrolactone has been investigated over supported gold, palladium and gold-palladium nanoparticles. The oxidation of both hydroxyl groups of α,γ-diols has previously proved to be difficult. Small AuPd alloy nanoparticles on a basic Mg(OH)2 support provide the best catalysts for this reaction.

    9. Manipulating the Kinetics of Seeded Growth for Edge-Selective Metal Deposition and the Formation of Concave Au Nanocrystals (pages 1959–1965)

      Moitree Laskar, Dr. Xiaolan Zhong, Prof. Zhi-Yuan Li and Prof. Sara E. Skrabalak

      Version of Record online: 12 AUG 2013 | DOI: 10.1002/cssc.201300383

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      To the concave! Overgrown trisoctahedra can be achieved by manipulating the kinetics of seeded growth so that selective metal deposition occurs at the edges of traditional trisoctahedra. These nanostructures are more sensitive towards changes in refractive index compared to traditional trisoctahedra.

    10. Crystal-Plane-Controlled Surface Chemistry and Catalytic Performance of Surfactant-Free Cu2O Nanocrystals (pages 1966–1972)

      Qing Hua, Tian Cao, Huizhi Bao, Dr. Zhiquan Jiang and Prof. Dr. Weixin Huang

      Version of Record online: 18 SEP 2013 | DOI: 10.1002/cssc.201300376

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      Exploring different facets: Surfactant-free Cu2O nanocrystals, including cubes exposing {100} crystal planes (c-Cu2O), octahedra exposing {111} crystal planes (o-Cu2O), and rhombic dodecahedra exposing {110} crystal planes (d-Cu2O), exhibit crystal-plane-controlled surface chemistry and catalytic performance in CO oxidation. Cu2O octahedra are most active in chemisorbing CO and catalyzing CO oxidation (see picture).

    11. The Particle Size Dependence of the Oxygen Reduction Reaction for Carbon-Supported Platinum and Palladium (pages 1973–1982)

      Dr. A. Anastasopoulos, Dr. J. C. Davies, Dr. L. Hannah, Prof. B. E. Hayden, Dr. C. E. Lee, Dr. C. Milhano, Dr. C. Mormiche and Dr. L. Offin

      Version of Record online: 23 SEP 2013 | DOI: 10.1002/cssc.201300208

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      All on a chip: Model carbon-supported Pt and Pd electrocatalysts with controlled size have been prepared on a screening chip, which allows the oxygen reduction reaction (ORR) activity of the catalysts to be determined simultaneously. The particle size dependence of the specific mass activity of Pt and Pd particles for the ORR is evaluated and discussed.

    12. Pseudocapacitive Hausmannite Nanoparticles with (101) Facets: Synthesis, Characterization, and Charge-Transfer Mechanism (pages 1983–1992)

      Matthew P. Yeager, Wenxin Du, Dr. Qi Wang, Prof.  N. Aaron Deskins, Matthew Sullivan, Brendan Bishop, Dr. Dong Su, Dr. Wenqian Xu, Dr. Sanjaya D. Senanayake, Dr. Rui Si, Dr. Jonathan Hanson and Prof. Xiaowei Teng

      Version of Record online: 3 MAY 2013 | DOI: 10.1002/cssc.201300027

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      Two-faced: Hausmannite Mn3O4 nanoparticles with (101) facets were prepared through oxygen-mediated growth. The Mn3O4 octahedral nanoparticles exhibited high mass-specific capacitance and cycle ability for supercapacitor reactions. The charge-storage mechanisms of the nanoparticles during electrochemical redox reactions were further studied by using in situ synchrotron-based methods.

    13. The Effect of Lattice Strain on the Catalytic Properties of Pd Nanocrystals (pages 1993–2000)

      Dr. Chun-Hong Kuo, Leo K. Lamontagne, Casey N. Brodsky, Lien-Yang Chou, Jia Zhuang, Brian T. Sneed, Margaret K. Sheehan and Prof. Chia-Kuang Tsung

      Version of Record online: 17 SEP 2013 | DOI: 10.1002/cssc.201300447

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      Shape up and ship out: Shape-controlled Pd nanocrystals have been synthesized with lattice strain generated from different sources. During electrocatalysis, decreased potentials for CO stripping and increased current densities for formic-acid oxidation are observed for the strained nanoparticles. In the gas-phase hydrogenation of ethylene, the activity of the strained nanoparticles was lower than that of single-crystalline Pd nanoparticles.

    14. A Sulfated ZrO2 Hollow Nanostructure as an Acid Catalyst in the Dehydration of Fructose to 5-Hydroxymethylfurfural (pages 2001–2008)

      Dr. Ji Bong Joo, Austin Vu, Dr. Qiao Zhang, Michael Dahl, Dr. Minfen Gu, Prof. Francisco Zaera and Prof. Yadong Yin

      Version of Record online: 10 SEP 2013 | DOI: 10.1002/cssc.201300416

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      Core of the matter: Sulfated ZrO2 hollow shells with favorable mesoporosity, excellent dispersity in liquid media, and a strongly acidic surface show significantly enhanced catalytic activity toward the dehydration of fructose to 5-hydroxymethylfufural (see picture).

    15. Enhanced Visible-Light Hydrogen-Production Activity of Copper-Modified ZnxCd1−xS (pages 2009–2015)

      Dr. Jun Zhang, Quanlong Xu, Prof. Shi Zhang Qiao and Prof. Jiaguo Yu

      Version of Record online: 17 SEP 2013 | DOI: 10.1002/cssc.201300409

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      Surface modification: Two different synthetic pathways are devised to prepare surface and bulk Cu2+-modified ZnxCd1−xS through cation-exchange and coprecipitation methods, respectively. Cu2+ surface modification can provide a new electron-transferring pathway (interfacial charge transfer) and also form new surface active sites for H2 evolution, resulting in enhanced visible-light H2-production activity (see picture).

    16. Electrocatalysis on Shape-Controlled Titanium Nitride Nanocrystals for the Oxygen Reduction Reaction (pages 2016–2021)

      Dr. Youzhen Dong, Yongmin Wu, Mengjia Liu and Prof. Jinghong Li

      Version of Record online: 22 AUG 2013 | DOI: 10.1002/cssc.201300331

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      The shape of things to come: The structure–activity relationships of TiN electrocatalysts have not yet been well studied. By simply adjusting the shape of the TiO2 precursor, the morphology of the TiN catalysts in this work can be tailored from nanoparticles to nanotubes. Carbon-coated TiN nanotubes exhibit excellent activity for the oxygen reduction reaction, higher tolerance to methanol, and superior long-term durability compared with commercial Pt/C catalysts.

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