Fig. 1
From: Ultrasensitive detection of miRNA with an antimonene-based surface plasmon resonance sensor
Geometry and energies of adsorption systems. a Top and side views of the optimized structure of A nucleobases on antimonene. b Top and side views of the optimized structure of T nucleobases. c Top and side views of the optimized structure of G nucleobases. d Top and side views of the optimized structure of C nucleobases. e Top and side views of the optimized structure of A–T base-pairs on antimonene. f Top and side views of the optimized structure of G–C base-pairs on antimonene. g Adsorption energies of adsorbed nucleobases and base-pairs on antimonene and graphene. Blue bars respect to graphene+A, black bars respect to antimonene+A, red bars respect antimonene+A–T. h Side views of the charge density difference of the nucleobases on antimonene and graphene
