Figure 7
From: Nitrogen-based gas molecule adsorption of monolayer phosphorene under metal functionalization

The optimized structures of NO2 adsorption on bP-M (M = Li, Na, K, Rb, Cs, Ca, Sr, Ba, Ni, La, Tl). The green, gold, purple, red, cyan, dark cyan, bule, orange, light gray, black and gray balls represent Li, Na, K, Rb, Cs, Ca, Sr, Ba, Ni, La and Tl, respectively.