Fig. 2
From: Hybrid nanodiamond quantum sensors enabled by volume phase transitions of hydrogels
Synthetic scheme of the ND@pNIPAM–Ni hybrid sensor and the TEM characterizations. Typical TEM images of a bare NDs, b an ND@SiO2-MPS particle, c an ND@pNIPAM particle, d bare Ni NPs, e an Ni@SiO2-NH2 cluster, and f an ND@pNIPAM–Ni hybrid particle. Scale bar is 100 nm
