Energy Technology

Cover image for Vol. 1 Issue 7

July 2013

Volume 1, Issue 7

Pages 369–421

  1. Cover Pictures

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. You have free access to this content
      Cover Picture: Enhanced Photocurrent Response of Titania-Nanotube Heterojunction Devices Capped with Titanium Disilicide (Energy Technol. 7/2013) (page 369)

      Dr. Hidetaka Ishihara, Dr. Ganesh K. Kannarpady, Justin Woo and Dr. Alexandru S. Biris

      Article first published online: 17 JUL 2013 | DOI: 10.1002/ente.201390011

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      Hydrogen from the Sun—Modified TiO2 for Water Splitting: The cover picture shows a schematic of a TiO2-based device for the production of hydrogen through photo-electrochemical water splitting. As described in the Full Paper by Ganesh Kannarpady and Alexandru S. Biris with colleagues at the University of Arkansas at Little Rock on page 412, capping the TiO2 nanotubes with TiSi2 led to as much as a 40 % increase in photocurrent output through improved electron–hole splitting. The RF magnetron sputter-deposition technique employed in this study is scalable and would be compatible with large-scale processing. The implications of these findings could lead to a cleaner, greener way to generate hydrogen for renewable energy applications.

    2. You have free access to this content
      Inside Cover: Review on Recent Progress on Sandwich-Structure Hybrid Solar Cells (Energy Technol. 7/2013) (page 370)

      Dr. Hsin-Yi Chen, Shao-Hsuan Kao and Prof. Ching-Fuh Lin 

      Article first published online: 17 JUL 2013 | DOI: 10.1002/ente.201390012

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      Sandwich-Structure Hybrid Solar Cells—Towards High Efficiency and Stability: The cover image illustrates a sandwich-structure hybrid solar cell. Solar cells made of organic materials suffer from lower efficiency and poor stability in comparison with their inorganic counterparts such as silicon. However, organic solar cells do possess many advantages such as flexibility and ease of processing. In the Review Article by Ching-Fuh Lin and colleagues at the National Taiwan University on page 382, the authors examine the recent progress and latest achievements in sandwich-structure hybrid solar cells. The recent research focusing on sandwich-structure hybrid solar cells has revealed their great potential for future solar-cell production.

  2. Graphical Abstract

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. Graphical Abstract: Energy Technol. 7/2013 (pages 371–374)

      Article first published online: 17 JUL 2013 | DOI: 10.1002/ente.201390013

  3. Forum Section

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. You have full text access to this OnlineOpen article
      Freely available OPV—The fast way to progress (pages 378–381)

      Prof. Frederik C. Krebs, Markus Hösel, Michael Corazza, Bérenger Roth, Dr. Morten V. Madsen, Dr. Suren A. Gevorgyan, Dr. Roar R. Søndergaard, Dr. Dieter Karg and Dr. Mikkel Jørgensen

      Article first published online: 2 JUL 2013 | DOI: 10.1002/ente.201300057

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      It's a free-for-all! ITO-free organic photovoltaics are fabricated using roll-to-roll processing technology and laser cutting to separate and encapsulate individual modules. The modules are then made available free-of-charge from the author′s website (in an effort named “freeOPV”) to create a platform from which the processing technology can be evaluated using information shared by researchers all over the world.

  4. Review

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. Review on Recent Progress on Sandwich-Structure Hybrid Solar Cells (pages 382–391)

      Dr. Hsin-Yi Chen, Shao-Hsuan Kao and Prof. Ching-Fuh Lin 

      Article first published online: 11 JUL 2013 | DOI: 10.1002/ente.201300044

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      Making a sandwich: The recent progress in hybrid solar cells is reviewed, mainly focusing structures for which the organic active layer is placed between two oxide layers. The advantages of the oxide layers in sandwich structures include enhanced light absorption, high stability, and the ability to function as electron- and hole-blocking layers.

  5. Communication

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. You have full text access to this OnlineOpen article
      Comparing the Volume and Energy Consumption of Sour-Gas Cleaning by Condensed Rotational Separation and Amine Treatments (pages 392–394)

      Dr.  H. P. van Kemenade, Prof. Dr.  J. J. H. Brouwers and S. J. M. de Rijke

      Article first published online: 3 JUL 2013 | DOI: 10.1002/ente.201300051

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      Sweet and sour: Many natural gas reserves are contaminated with sour, acid-forming gases such as H2S and CO2. Two processes for the removal of CO2 from CH4 are compared in terms of volume and energy consumption. It is found that the traditional amine-absorption process and a process based upon condensed rotational separation are complimentary, and the combination of both technologies could allow the exploitation of previously uneconomical gas fields.

  6. Full Papers

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. The Impact of Changing the Compression Ratio on the Performance of an Engine fueled by Biodiesel Blends (pages 395–404)

      Dr. Amr Ibrahim, M. El-Adawy and M. M. El-Kassaby

      Article first published online: 8 JUL 2013 | DOI: 10.1002/ente.201300048

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      Do not waste your used cooking oil! Waste-cooking-oil biodiesel can be used as an alternative renewable fuel for diesel engines. However, using biodiesel in diesel engines without modification leads to the deterioration in engine performance. In this study, the engine compression ratio is experimentally optimized to obtain higher engine power and thermal efficiency when biodiesel is used as an alternative to diesel fuel.

    2. Theoretical Analysis of the Chemical Absorption of Carbon Dioxide using an Aqueous Elastic Xanthan-Gum Solution Containing NaOH (pages 405–411)

      K. Kasthuri , K. Indira and Dr.  L. Rajendran

      Article first published online: 9 JUL 2013 | DOI: 10.1002/ente.201300045

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      Solving the solution: A theoretical approach is presented model the absorption of carbon dioxide in an aqueous elastic xanthan gum solution containing NaOH. Approximate analytical solutions are for the system of nonlinear differential equations under steady-state conditions by using the homotopy analysis method and Padé approximation technique. This approximation is shown to have close agreement with the analytical solution.

    3. Enhanced Photocurrent Response of Titania-Nanotube Heterojunction Devices Capped with Titanium Disilicide (pages 412–418)

      Dr. Hidetaka Ishihara, Dr. Ganesh K. Kannarpady, Justin Woo and Dr. Alexandru S. Biris

      Article first published online: 9 JUL 2013 | DOI: 10.1002/ente.201300030

      Thumbnail image of graphical abstract

      You gotta keep ′em separated: The efficiency of hydrogen generation by photo-electrochemical water splitting using titanium dioxide nanotubes was significantly improved by coating the nanotubes with a thin layer of titanium disilicide to enhance the electron–hole charge separation. The implications of these findings could lead to a cleaner, greener way to generate energy.

  7. Book Reviews

    1. Top of page
    2. Cover Pictures
    3. Graphical Abstract
    4. Forum Section
    5. Review
    6. Communication
    7. Full Papers
    8. Book Reviews
    1. Concepts in Syngas Manufacture. By Jens Rostrup-Nielsen and Lars J. Christiansen (pages 419–420)

      Prof. Sunggyu Lee

      Article first published online: 17 JUL 2013 | DOI: 10.1002/ente.201305007

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      Imperial College, London 2011, 379 pp., € 104.99—ISBN 978-1-84816-567-0

    2. The Power of Design: Product Innovation in Sustainable Energy Technologies. Edited by Angèle Reinders, Jan Carel Diehl, and Han Brezet (pages 420–421)

      Prof. Constantinos S. Psomopoulos

      Article first published online: 17 JUL 2013 | DOI: 10.1002/ente.201305008

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      Wiley, Chichester 2012, 331 pp., €73.90—ISBN 978-1-118-30867-7

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