Zinc acetate hydrate

Poly(methyl methacrylate) (PMMA, average molecular weight, ~120,000 g mol⁻¹) and zinc acetate hydrate (>98%) were purchased from Sigma Aldrich. Poly(N,N′-bis(4-butylphenyl)-N,N′-bis(phenyl)-benzidine) (poly-TPD, average molecular weight, ~55,000 g mol⁻¹) and poly(9,9-dioctylfluorene-co-N-(4-(3-methylpropyl))diphenylamine) (TFB, average molecular weight, ~50,000 g mol⁻¹) were purchased from American Dye Source. Colloidal CdSe-CdZnS core–shell red QDs were purchased from Najing technology Co., Ltd. Tetramethylammonium hydroxide (TMAH, 98%) was purchased from Alfa-Aesar. Chlorobenzene (extra dry, 99.8%), octane (extra dry, >99%) and ethanol (extra dry, 99.5%) were purchased from Acros. Dimethyl sulfoxide (DMSO, HPLC grade) and ethyl acetate (HPLC grade) were purchased from J&K Chemical Ltd. ITO. Colloidal Zn_0.9Mg_0.1O nanocrystals were synthesized according to a previous report^{44 (link)}.

Zinc acetate hydrate was purchased from Sigma-Aldrich, United States, and albumin eggshells from Loba Chemical Co., Mumbai, India.