One-dimensional hierarchical nanostructures of TiO2 nanosheets on SnO2 Nanotubes for high efficiency solid-state dye-sensitized solar cells

Sung Hoon Ahn; Dong Jun Kim; Won Seok Chi; Jong Hak Kim

doi:10.1002/adma.201302226

One-dimensional hierarchical nanostructures of TiO₂ nanosheets on SnO₂ Nanotubes for high efficiency solid-state dye-sensitized solar cells

Sung Hoon Ahn, Dong Jun Kim, Won Seok Chi, Jong Hak Kim

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

74 Citations (Scopus)

Abstract

Hierarchical nanostructures of TiO₂ nanosheets on SnO ₂ nanotubes (SNT@TNS) are uniformly dispersed in an organized mesoporous (OM) TiO₂ film with large pores, high porosity, and good interconnectivity. The solid-state dye sensitized solar cells (ssDSSCs) fabricated with 10 wt% SNT@TNS dispersed in a OM-TiO₂ film show an energy conversion efficiency of 7.7% at 100 mW cm^-2, which is one of the highest values for N719-based ssDSSCs and much larger than that of a randomly oriented TiO₂ nanoparticles-based cell (4.0%).

Original language	English
Pages (from-to)	4893-4897
Number of pages	5
Journal	Advanced Materials
Volume	25
Issue number	35
DOIs	https://doi.org/10.1002/adma.201302226
Publication status	Published - 2013 Sep 20

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201302226

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title = "One-dimensional hierarchical nanostructures of TiO2 nanosheets on SnO2 Nanotubes for high efficiency solid-state dye-sensitized solar cells",

abstract = "Hierarchical nanostructures of TiO2 nanosheets on SnO 2 nanotubes (SNT@TNS) are uniformly dispersed in an organized mesoporous (OM) TiO2 film with large pores, high porosity, and good interconnectivity. The solid-state dye sensitized solar cells (ssDSSCs) fabricated with 10 wt% SNT@TNS dispersed in a OM-TiO2 film show an energy conversion efficiency of 7.7% at 100 mW cm-2, which is one of the highest values for N719-based ssDSSCs and much larger than that of a randomly oriented TiO2 nanoparticles-based cell (4.0%).",

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AB - Hierarchical nanostructures of TiO2 nanosheets on SnO 2 nanotubes (SNT@TNS) are uniformly dispersed in an organized mesoporous (OM) TiO2 film with large pores, high porosity, and good interconnectivity. The solid-state dye sensitized solar cells (ssDSSCs) fabricated with 10 wt% SNT@TNS dispersed in a OM-TiO2 film show an energy conversion efficiency of 7.7% at 100 mW cm-2, which is one of the highest values for N719-based ssDSSCs and much larger than that of a randomly oriented TiO2 nanoparticles-based cell (4.0%).

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