fig7
Figure 7. (A) Free energy profiles and the optimized geometries of reaction intermediates for the NRR on B3@GDY. Reprinted with permission from Ref.[111]. Copyright © 2023 Wiley-VCH GmbH; (B) Free energy profiles for the NRR on B2@C3N4. Reprinted with permission from Ref.[112]. Copyright © 2022 by the authors. NRR: Nitrogen reduction reaction; GDY: graphdiyne.