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Nanotube- and Nanorod-Based Dye-Sensitized Solar Cells

  • Yung-Eun Sung
  • Soon Hyung Kang
  • Jae-Yup Kim
Chapter
Part of the Green Energy and Technology book series (GREEN)

Abstract

Considerable efforts have been devoted to the design and synthesis of low-dimensional, nanostructured materials due to their morphology-dependent performances. In particular, one-dimensional (1-D) TiO2 nanostructures, including nanorods (NRs), nanowires (NWs), and nanotubes (NTs), have attracted considerable interest due to their unique characteristics. In dye-sensitized solar cell (DSSC) operation, 1-D nanostructure-based photoanodes can contribute to rapid electron transport, ensuring efficient charge collection by the conducting substrate in competition with recombination. Relying on the ordering of 1-D TiO2 nanomaterial, the conversion efficiency of DSSCs was affected because electron collection is determined by trapping/detrapping events at the site of the electron traps, such as defects, surface states, grain boundaries, and self-trapping. This point has promoted research on self-ordered, 1-D photoanodes stretched on a substrate with enhanced electron transport properties due to their desirable features: highly decreased intercrystalline contacts and a structure with a specified directionality. In this literature review, the preparation of various 1-D nanomaterials from disordered to ordered states and their electron dynamics in the application of DSSCs are reviewed.

Keywords

TiO2 Film Oriented Attachment TiO2 Nanocrystals Photoconversion Efficiency Transparent Conductive Oxide Substrate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgment

This work was supported by the Research Center for Energy Conversion and Storage (Contract No. R11-2002-102-00000-0) and the WCU (World Class University) program (R31-10013) through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology.

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Copyright information

© Springer-Verlag London Limited 2011

Authors and Affiliations

  1. 1.World Class University (WCU) Program of Chemical Convergence for Energy Environment (C2E2), School of Chemical Biological EngineeringSeoul National UniversitySeoulKorea
  2. 2.Department of Chemistry EducationChonnam National UniversityGwangjuKorea
  3. 3.School of chemical and Biological Engineering and Interdisciplinary Program in Nano Science and TechnologySeoul National UniversitySeoulKorea

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