Canfieldite Ag8SnS6 nanoparticles with high light absorption coefficient and quantum yield

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dc.contributor.authorRevaprasadu, Neerish
dc.contributor.authorAdekoya, Joseph Adeyemi
dc.contributor.authorKhan, Malik Dilshad
dc.contributor.authorMlowe, Sixberth
dc.coverage.conferenceissn
dc.date.accessioned2026-03-12T08:31:01Z
dc.date.available2026-03-12T08:31:01Z
dc.date.issued2023
dc.departmentNameChemistry
dc.description.abstractCanfieldite Ag8SnS6 (STS) nanocubes were prepared by the solution decomposition of precursors using heat-up and hot injection protocols employing coordinating solvents (oleylamine - OLA and dodecanethiol - DT) to afford monodispersed silver tin sulfide (STS) nanoparticles. The phase and shape of nanoparticles were tuned by varying reactants' temperature and mole ratios. The powder X-ray diffraction (p-XRD) and transmission electron microscopy (TEM) analysis indicate phase pure orthorhombic Ag8SnS6 nanocrystals with nearly monodispersed particles ranging between 12 and 50 nm. The p-XRD patterns for the STS nanoparticles obtained by the heat-up method exhibited enhanced peak broadening than the hot injection route, accounting for the corresponding quantum confinement effects. Likewise, the (124), (227) and (266) planes of the reflections in OLA/DT capped STS crystals appeared well resolved, indicating that seed growth of a transitional Ag2S might be involved in the formation of the ternary chalcogenides. The values of the energy bandgap (Eg) were found in the range of 1.16–2.60 eV. At the same time, the STS nanoparticles exhibited high photon absorption and low quantum yield potentials, making them a possible candidate for photovoltaic cells and enhanced photoelectrochemical performance.
dc.facultyFaculty of Science, Agriculture and Engineering
dc.identifier.citationAdekoya, J.A., Khan, M.D., Mlowe, S. and Revaprasadu, N. 2023. Canfieldite Ag8SnS6 nanoparticles with high light absorption coefficient and quantum yield. Materials Chemistry and Physics, 299, pp.1-12.
dc.identifier.issn1879-3312 (online)
dc.identifier.issn0254-0584 (print)
dc.identifier.otherhttps://doi.org/10.1016/j.matchemphys.2023.127456
dc.identifier.urihttp://hdl.handle.net/10530/58954
dc.inproceedingsissn
dc.issuenumber299
dc.keynoteissn
dc.language.isoEnglish
dc.pages1 - 12
dc.peerreviewedYes
dc.publisherElsevier
dc.subjectOrthorhombic phase
dc.subjectSilver tin sulfide
dc.subjectNanoparticles
dc.subjectOleylamine
dc.subjectDodecanethiol
dc.subjectOptical bandgap
dc.titleCanfieldite Ag8SnS6 nanoparticles with high light absorption coefficient and quantum yield
dc.title.journalMaterials Chemistry and Physics
dc.typeJournal Article
dspace.entity.typePublication
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