Hierarchical Cu₂ZnSnS₄ nanostructures synthesised by a simple solvothermal reaction
by S.H. Park; T.H. Kwon; K. Kim; A. Annamalai; M.-J. Lee
International Journal of Nanotechnology (IJNT), Vol. 10, No. 8/9, 2013

Abstract: Hierarchical Cu₂ZnSnS₄ nanostructures with various morphologies and sizes have been synthesised successfully using a simple solvothermal reaction. For the control of the size and morphology of Cu₂ZnSnS₄, polyvinylpyrrolidone was used as a structure-directing ligand. By changing the molecular weights and concentrations of the polyvinylpyrrolidone ligands, we prepared unique Cu₂ZnSnS₄ nanostructures ranging from discrete nanoparticle aggregates to nanoflower-like particles. Owing to the unique control of the nanostructures and their ecofriendly nature, the nanoflower-like Cu₂ZnSnS₄ materials are promising as excellent absorber materials for low-cost solar cells.

Online publication date: Thu, 01-Aug-2013

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