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In current work, a non-toxic mixture of 2-propanol (IPA)/water (7:3 by volume) was used for the liquid phase exfoliation (LPE) of bulk MoS2 powder. It exhibited similar exfoliation efficiency as conventional N-methyl-2-pyrrolidone, while its low boiling point further facilitated functionalization. Covalent functionalization of LTMDs has been relatively limited on account of LTMDs’ strong chemical stability within reactive organic and aqueous systems. Consequently, researchers have pursued highly reactive radical-based functionalization strategies to impart specific properties to LTMDs. Following suit, after LPE of MoS2, several polystyrene (PS)–polyacrylamide (PAM) grafted copolymers were synthesized simultaneously on exfoliated MoS2 nanosheets by in situ living free-radical polymerization