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Field emission scanning electron microscopic images.
Notes: Experimental formulations: (A) Formulation NP1 at 100,000×; (B) Formulation NP2 at 50,000×; (C) Formulation NP3 at 50,000×; (D) Formulation NP4 at 50,000×.
Abbreviations: IACS, Indian Association for the Cultivation of Science; LEI, low emission image; WD, working distance.
