Journal
NANOSCALE RESEARCH LETTERS
Volume 6, Issue -, Pages 1-8Publisher
SPRINGER
DOI: 10.1186/1556-276X-6-298
Keywords
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Funding
- National Natural Science Foundation of China [61076009, 60736034, 50990064]
- National Basic Research Program of China (973 Program) [2010CB933800]
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Dispersive SnS2 colloidal quantum dots have been synthesized via hot-injection method. Hybrid photovoltaic devices based on blends of a conjugated polymer poly[2-methoxy-5-(3 '',7 '' dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) as electron donor and crystalline SnS2 quantum dots as electron acceptor have been studied. Photoluminescence measurement has been performed to study the surfactant effect on the excitons splitting process. The photocurrent of solar cells with the hybrid depends greatly on the ligands exchange as well as the device heat treatment. AFM characterization has demonstrated morphology changes happening upon surfactant replacement and annealing, which can explain the performance variation of hybrid solar cells.
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