4.8 Article

High-Efficiency Solid-State Dye-Sensitized Solar Cells: Fast Charge Extraction through Self-Assembled 3D Fibrous Network of Crystalline TiO2 Nanowires

Journal

ACS NANO
Volume 4, Issue 12, Pages 7644-7650

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/nn1024434

Keywords

hybrid materials; photovoltaic devices; solar cells; titanium dioxide; nanowires

Funding

  1. King Abdullah University of Science and Technology (KAUST) [KUS-C1-015-21]
  2. Marie Curie Research Training Network [MRTN-CT-2006-032474]
  3. National Key Scientific Program [2007CB936700]
  4. National Science Foundation of China [50973105]
  5. european project MULTIPLAT [NMP4-SL-2009-228943]
  6. European community [247404]

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Herein, we present a novel morphology for solid-state dye-sensitized solar cells based on the simple and straightforward self-assembly of nanorods into a 3D fibrous network of fused single-crystalline anatase nanowires. This architecture offers a high roughness factor, significant fight scattering, and up to several orders of magnitude faster electron transport to reach a near-record-breaking conversion efficiency of 4.9%.

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