Growth and characterization of ZnS porous nanoribbon array constructed by connected nanocrystallities

Well-aligned ZnS porous nanoribbon array has been prepared with a simple one-step solvothermal approach. X-Ray diffraction, energy dispersive X-ray spectrometry and scanning electron microscopy indicate the formation of ZnS nanoribbon array. Transmission electron microscope measurements reveal that the porous nanoribbons are composed of a large amount of connected nanocrystallites with sizes of about 2–5 nm as the building blocks. These ZnS nanocrystallites are all found to adopt the same crystallographic direction. Uniform separated nanopores exist among these nanopraticles. A possible formation mechanism of the nanoribbon array and a porous structure are proposed. The room-temperature luminescence property of the as-prepared ZnS porous nanoribbon array is also studied.