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. 2022 Feb 18;8(7):eabm7364. doi: 10.1126/sciadv.abm7364

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Fig. 2. — (A) Schematic of thermoreversible nanocrystal assembly controlled by the equilibrium between Co(Tpy)₂ and cobalt(II) tetrachloride complexes. (B) In situ SAXS structure factor of nanocrystal assembly at different temperatures. (C) Photo of a TL-ITO dispersion in DMF (left), a nanocrystal gel forming upon the addition of Co²⁺ (middle), and a free-flowing nanocrystal dispersion at 90°C (right). (D) STEM image and photo (inset) of a nanocrystal gel. Scale bar, 500 nm.