1 3 5 tris n phenylbenzimiazole 2 yl benzene tpbi

Chemicals listed below are commercially available and used without further purification. Tin (II) iodide (SnI₂, 99.999%) was purchased from Alfa Aesar. PEAI, hypophosphorous acid solution (H₃PO₂, 50 wt% in H₂O), PHM, toluene (anhydrous, 99.8%), dimethylformamide (DMF) (anhydrous, 99.8%), DMSO (anhydrous, ≥99.9%), and lithium fluoride (LiF) were purchased from Sigma‐Aldrich. PEDOT: PSS (AI 4083) was purchased from Heraeus. 1,3,5‐tris(N‐phenylbenzimiazole‐2‐yl)benzene (TPBi) was purchased from Lumtec.

Methylammonium bromide (MABr) and phenylethylammonium bromide (PEABr) were purchased from Dyesol. Lead bromide (PbBr₂, 99.998%) and cesium bromide (CsBr, 99.999%) were purchased from Alfa Aesar. Anhydrous dimethyl sulfoxide (DMSO), anhydrous chloroform, Nafion perfluorinated resin solution (tetrafluoroethylene-perfluoro-3,6-dioxa-4-methyl-7-octenesulfonic acid copolymer, 5 wt% in a mixture of lower aliphatic alcohols and water, containing 45% water), and lithium fluoride (LiF, >99.99%) were purchased from Sigma-Aldrich. Poly(3,4-ethylenedioxythiophene)polystyrene sulfonate (PEDOT:PSS, CleviosTM PVP Al 4083) was purchased from Heraeus. 1,3,5-tris(N-phenylbenzimiazole-2-yl)benzene (TPBi) was purchased from Lumtec. All the chemicals were used directly as received.

All alkylamine bromides were purchased from Dyesol. Cesium bromide (CsBr) and lead bromide (PbBr₂) were purchased from Alfa Aesar. DMSO, toluene, chlorobenzene, and lithium fluoride (LiF) were purchased from Sigma-Aldrich. PEDOT:PSS (AI 4083) was purchased from Heraeus. 1, 3, 5-tris(N-phenylbenzimiazole-2-yl)benzene (TPBi) were purchased from Lumtec. All chemicals were used as received.