Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 112, Issue 42, Pages 16359-16364Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp805239k
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Funding
- National Science Council (NSC) of Taiwan [NSC-96-2628-M-009-001-MY3]
- PVTC/ITRI [7301XS1K31]
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Branched ZnO nanowires have been fabricated on conductive glass substrates via a solvothermal method for dye-sensitized solar cells (DSCs). The 1D branched nanostructures can afford a direct conduction pathway instead of interparticle hops while using nanoparticles. Furthermore, the short-circuit current density and the energy conversion efficiency of the branched ZnO nanowire DSCs are 4.27 mA/cm(2) and 1.51%,which are twice as high as the bare ZnO nanowire ones. The improvement was a consequence of the enlargement of the internal surface area within the photoelectrode and allowed us to achieve higher dye adsorption to significantly enhance the performance of the DSCs.
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