FeCl3-catalyzed acetic acid pretreatment for surface-acetylated cellulose nanofibrils enabling Pickering emulsions and tunable optical composite films - Wei Liu; Xuan Wang; Rui Xu; Tairan Pang; Siyu Chen; Yuhan Liu; Ting Xu; Bo Pang; Haishun Du; Chuanling Si (Carbohydrate Polymers, 2026)