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Wet Chemical Synthesis and Self-Assembly of SnS2 Nanoparticles on TiO2 for Quantum Dot-Sensitized Solar Cells

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Abstract:

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.

Keywords: DYE-SENSITIZED SOLAR CELL (DSC); NANOPARTICLES; QUANTUM-DOT SENSITIZED SOLAR CELL (QDSSC); SELF-ASSEMBLY; TIN DISULFIDE (SNS2); WET CHEMICAL PROCESS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3598

Publication date: April 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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