Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 13, Pages 4765-4770Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta15276f
Keywords
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Funding
- US Department of Energy, Office of Basic Energy Sciences, Division of Materials and Engineering [DE-FG02-07ER46467]
- National Science Foundation [DMR-1035196]
- National Natural Science Foundation of China [51273104]
- National Key Basic Research and Development Program of China [2009CB930602]
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A novel ZnO nanorod/nanoparticle (NR/NP) hierarchical structure on a zinc foil has been fabricated through a chemical bath deposition method. When used as a flexible photoanode for DSSCs, such a structure demonstrated enhanced dye-loading and electron lifetime as compared to the NR structure. It also retarded the charge recombination while maintaining the electron diffusion length of the NR structure. As a result, the power conversion efficiency of the DSSCs based on the NR/NP structure increased from 1.35% to 3.63% with a 169% enhancement as compared to that based on ZnO NRs.
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