title: Formation of AgGaS2 nano-pyramids from Ag2S nanospheres through intermediate Ag2S-AgGaS2 heterostructures and AgGaS2 sensitized Mn2+ emission.
abstract: A one-pot solution synthesis of monodisperse AgGaS2 nanocrystals with uniform pyramid-like shape is realized for the first time, in which an interesting phase and shape evolution from monodisperse Ag2S nanospheres to pure AgGaS2 nano-pyramids through an intermediate stage of Ag2S-AgGaS2 heterostructures, is revealed. Evidently, upon introducing Mn(2+) ions into the reaction system, they are incorporated into AgGaS2 nano-pyramids which act as efficient sensitization matrixes for the red emission of Mn(2+) d-d transition under blue excitation. Benefiting from their non-toxicity and facile fabrication, Mn:AgGaS2 nanocrystals may find potential applications in some fields such as blue chip excited LEDs and bio-labeling.
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002 P. R. China. yswang@fjirsm.ac.cn.
authors.forename: Feng
authors.initials: F
authors.lastname: Huang
authors.forename: Jiangcong
authors.initials: J
authors.lastname: Zhou
authors.forename: Ju
authors.initials: J
authors.lastname: Xu
authors.forename: Yuansheng
authors.initials: Y
authors.lastname: Wang
mesh_terms: D005682:Gadolinium / Q000737:chemistry*; D008345:Manganese / Q000737:chemistry*; D054118:Nanospheres / Q000737:chemistry* / Q000648:ultrastructure; D018030:Silver Compounds / Q000737:chemistry*
chemical_list: D018030:Silver Compounds; D008345:Manganese; C013251:silver sulfide; D005682:Gadolinium