A generalized strategy for controlled synthesis of ternary metal sulfide nanocrystals
作者:Manjiao Deng、Shuling Shen、Yejun Zhang、Huarui Xu、Qiangbin Wang
DOI:10.1039/c3nj00928a
日期:——
Ternary metal sulfide nanocrystals (TMS NCs) have drawn intense attention for their wide applications in photovoltaics and nanophotonics, etc. However, a facile and general method for controlled synthesis of TMS NCs with uniform size and pure crystal phase is yet to be realized. Here we report a simple and versatile one-pot method for preparing high quality TMS NCs with controlled morphologies, sizes, crystalline structures and compositions, including orthorhombic Cu3BiS3 nanosheets and nanoparticles, orthorhombic Cu4Bi4S9 nanowires and nanoribbons, wurtzite CuInS2 nanopencils, cubic AgBiS2 nanocubes, orthorhombic Ag8SnS6 nanoparticles, and orthorhombic Cu3SnS4 nanorods, based on the co-thermal decomposition of metal-diethyl dithiocarbamate (metal-DDTC) precursors. We expect that this methodology will be broadly applicable for synthesizing new metal sulfide NCs and play an important role in exploring their new properties for various applications.
三元金属硫化物纳米晶体(TMS NCs)因其在光伏和纳米光子学等领域的广泛应用而备受关注。然而,目前还没有一种简便、通用的方法来控制合成具有均匀尺寸和纯净晶相的 TMS NCs。在此,我们报告了一种简单而通用的一锅法,用于制备具有可控形貌、尺寸、晶体结构和成分的高质量 TMS NCs,包括正交菱形 Cu3BiS3 纳米片和纳米颗粒、基于金属-二乙基二硫代氨基甲酸乙酯(metal-DDTC)前体的共热分解,可获得具有可控形态、尺寸、结晶结构和成分的 Cu3BiS3 NCs,包括正方晶 Cu3BiS3 纳米片和纳米颗粒、正方晶 Cu4Bi4S9 纳米线和纳米带、钨晶 CuInS2 纳米鹏、立方晶 AgBiS2 纳米立方体、正方晶 Ag8SnS6 纳米颗粒和正方晶 Cu3SnS4 纳米棒。我们希望这种方法能广泛应用于合成新的金属硫化物 NCs,并在探索其各种应用的新特性方面发挥重要作用。