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dc.contributor.authorMhaisalkar, Subodh Gautamen
dc.contributor.authorLim, Hui Minen
dc.contributor.authorTan, Jia Yien
dc.contributor.authorMagdassi, Shlomoen
dc.contributor.authorWong, Lydia H.en
dc.contributor.authorBatabyal, Sudip Kumaren
dc.identifier.citationLim, H. M., Tan, J. Y., Batabyal, S. K., Magdassi, S., Mhaisalkar, S. G., & Wong, L. H. (2014). Photoactive Nanocrystals by Low-Temperature Welding of Copper Sulfide Nanoparticles and Indium Sulfide Nanosheets. ChemSusChem, 7(12), 3290-3294.en
dc.description.abstractWe successfully utilize the concept of coalescence and room-temperature sintering to prepare morphologically different nanoparticles. n-Type chalcogenide (CuIn5S8) nanocrystals are synthesized at room temperature by simple mixing of oppositely charged precursor nanoparticles. The coalescence of polycation-coated CuS nanoparticles and negatively charged In2S3 nanoplates is driven by close contact of the particles due to electrostatic interactions. Analysis by X-ray diffraction, transmission electron microscopy (TEM) imaging, and Raman spectroscopy confirms the formation of single-phase CuIn5S8 without traceable secondary phase. In a photovoltaic device, the use of the coalesced particles yields a power conversion efficiency of 1.8 %.en
dc.rights© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en
dc.subjectDRNTU::Engineering::Materials::Nanostructured materialsen
dc.titlePhotoactive nanocrystals by low-temperature welding of copper sulfide nanoparticles and indium sulfide nanosheetsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.researchEnergy Research Institute @NTUen
dc.contributor.researchResearch Techno Plazaen
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