Figure 1

Schematics of (a) Nb2Se9 and (b) dispersion of Nb2Se9 by poloxamer dispersant (PPO part of poloxamer attached to Nb2Se9 surface and dispersion obtained by the steric hinderance of PEO chains).
Schematics of (a) Nb2Se9 and (b) dispersion of Nb2Se9 by poloxamer dispersant (PPO part of poloxamer attached to Nb2Se9 surface and dispersion obtained by the steric hinderance of PEO chains).