dibasic dodecahydrate (NaH2PO4·12H2O, 98%), 0.1 N silver nitrate aq. solution (AgNO3, 98–99%), pyrrole (py, 98%), hydrogen chloride (HCl, 35%),
sodium chloride (NaCl, 99.5%), methyl orange (MO), N-methylpyrrolidone (NMP, 99.5%), sodium sulfate (Na2SO4, 99%), p-benzoquinone (p-BQ, 98%), isopropyl alcohol (IPA, 99.5%), dimethyl sulfoxide (DMSO,
99.5%), N,N-dimethylformamide (DMF,
99.5%), and ethanol (EtOH, 99.9%) were purchased from Daejung Chemicals
(Korea). Carbon black (CB, 100%) and 2-aminobenzene-1,4-dicarboxylic
acid (BDC-NH2, 99%) were purchased from Thermo Fisher Scientific
Inc. Poly(vinylidene fluoride) (PVDF, 98%) and sodium dodecyl benzenesulfonate
(SDBS, 95%) were purchased from Sigma-Aldrich. Rhodamine B (RhB) was
purchased from Seoul Chemical Co., Ltd. Ammonium oxalate (AO, 99.5%)
was purchased from Junsei Chemical Co., Ltd. Regenerated cellulose
spunlace nonwoven, with a basis weight of 46 g/m2 (±1.2
g/m2) and a thickness of 0.35 mm, was obtained from Welcron
Co., Ltd. (Korea). All of the materials were used without additional
purification.