Polyanilines and Polyaniline Dopants

Polyaniline (PANI) is a versatile conducting polymer easily processed by melt or solution process, and is environmentally and thermally stable.¹ PANI exists in three stable oxidation states (as shown on the right). The doped emeraldine salt forms of PANI exhibit very high conductivities and are often used for hole-injection (HIL) layers in PLEDs and OPVs. Sigma-Aldrich® offers a full line of the stable, doped and undoped PANIs for a variety of processing needs. We also offer high performance dopants for PANIs.

References
1. Stejskal, J.; Gilbert, R. Pure. Appl. Chem., 74, 857 (2002).

Reset Table

Image	Description	Product #
	Camphor-10-sulfonic acid (β) 98%	147923
	Dinonylnaphthalenedisulfonic acid solution 55 wt. % in isobutanol	522988
	Dinonylnaphthalenesulfonic acid solution 50 wt. % in heptane	522961
	Dodecylbenzenesulfonic acid solution 70 wt. % in isopropanol	522953
	Polyaniline (emeraldine base) average M_w ~10,000	476706
	Polyaniline (emeraldine base) average M_w ~100,000	576379
	Polyaniline (emeraldine base) average M_w ~20,000	556378
	Polyaniline (emeraldine base) average M_w ~300,000	576476
	Polyaniline (emeraldine base) average M_w ~5,000	556459
	Polyaniline (emeraldine base) average M_w ~50,000	556386
	Polyaniline (emeraldine base) average M_w ~65,000	530689
	Polyaniline (emeraldine salt) long chain, grafted to lignin powder	561134
	Polyaniline (emeraldine salt) short chain, grafted to lignin powder	561126
	Polyaniline (emeraldine salt) 0.5 wt. % (dispersion in mixed solvents)	649996
	Polyaniline (emeraldine salt) 2-3 wt. % (dispersion in xylene)	650013
	Polyaniline (emeraldine salt) average M_w >15,000, powder (Infusible), 3-100 μm particle size	428329
	Polyaniline (emeraldine salt) composite (20 wt.% polyaniline on carbon black)	530565
	Polyaniline (emeraldine salt) composite (30 wt.% polyaniline on nylon)	577073
	Polyaniline (leucoemeraldine base)	530670

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