Wet Chemical Synthesis and Self-Assembly of SnS2 Nanoparticles on TiO2 for Quantum Dot-Sensitized Solar Cells
SnS2 nanoparticles were synthesized through a simple wet chemical process at room temperature. The SnS2 nanoparticles were approximately spherical in shape and had diameter about 3–4 nm. SnS2-sensitized TiO2 electrodes were fabricated by the immersion of chemically modified TiO2 to well-dispersed SnS2 solution for 72 h (i.e., self-assembly method.) SnS2-sensitized TiO2 electrodes were applied in quantum dot-sensitized solar cells (QDSSCs). Under AM1.5 irradiation with 100 mW/cm2 light intensity (at 1 sun), the short-circuit current density (Jsc), the open-circuit voltage (Voc), the fill factor (FF), and the energy conversion efficiency () were 0.47 mA/cm2, 0.29 V, 0.58 and 0.081%, respectively.
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Document Type: Research Article
Publication date: April 1, 2011
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