Fig. 5: DFT calculation analysis.
From: Porous organic polycarbene nanotrap for efficient and selective gold stripping from electronic waste

a Proposed mechanism of Au3+ adsorption-reduction on Ptriaz-CN-A. b Adsorption energy (Eads) in step 1 and binding energy (Ebind) in sequential step 2 to step 4 of AuCl4− and PtCl42− with a model unit of Ptriaz-CN-A. c DFT calculated energy differences in the adsorption process of AuCl4− and PtCl42− on a model unit of Ptriaz-CN-A. Source data are provided as a Source Data file.