Laser-induced fabrication of highly branched CuS nanocrystals with excellent near-infrared absorption properties

Yang Ruyu¹, Zhang Zhongyi¹, Xu Linlin¹, Li Shuang², Jiao Yang³, Zhang Hua¹, Chen Ming^{1, †}

(color online) The representative low-magnification (a) and enlarged (b) TEM images of the CuS nanoparticles by laser ablation of Cu in TAA solution. (c) XRD pattern of the products. The inset shows the EDS analysis. (d) The absorption spectra of the colloidal suspension.