Figure S1. Photographs of (a) vacuum dried PbI2(DMSO)2 powders for 24 h (left image) and shaken powders (right image) and (b) solvent extracted PbI2(DMSO)2 samples for 3 h (left image) and filtered and dried powders (right image) with increasing reaction volume.
Figure S2. XRD patterns of (a) the vacuum dried PbI2(DMSO)2 powder and (b) the IPA solvent extracted PbI2(DMSO)2 powder.
Figure S3. FT-IR spectra of (a) the vacuum dried PbI2(DMSO)2 powder and (b) the IPA solvent extracted PbI2(DMSO)2 powder.
Figure S4. (a) XRD patterns, (b) FT-IR spectra, and (c) photographs of solvent extracted PbI2(DMSO)2 complex powders in various alcohols.
Figure S5. TGA spectra of solvent extracted PbI2(DMSO)2 complex powders by (a) 1-butanol, (b) 1-pentanol, and (c) 1-hexanol.
Figure S6. Solvent extracted PbI2(DMSO)2 powders with respect to the ratio of PbI2(DMSO)2:IPA of 1:50, 1:75, 1:100, and 1:150: (a) photographs of produced powders in each condition, (b) photograph of 1:50 sample, (c) XRD patterns of produced powders in each reaction condition, and (d) TGA spectra of produced powders in each condition.
Figure S7. TGA spectra of as-scaled-up PbI2(DMSO) complex powder and the complex powder after 4 weeks’ storage in a capped vial at ambient condition.
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