Le, Thi Thuy Huong, et al. “SERS Chemical Enhancement of 2,4,5-Trichlorophenoxyacetic Acid Absorbed on Au20, Its Au-Ag and Au-Cu Bimetallic Clusters: A DFT Study”. Vietnam Journal of Science and Technology, vol. 60, no. 4, Mar. 2022, pp. 641-5, doi:10.15625/2525-2518/16090.