Fig. 9: Potential application of novel double helicates.

Fluorescence emission spectrum (a) of PCP-TPy1 film with 0.075% molar percentages NiR (λex = 360 nm, slit widths: ex = 5 nm, em = 5 nm); (b) The CIE point of PCP-TPy1 film with 0.075% NiR; (c) LED device of PCP-TPy2 (I) (II); LED device of Rp,Rp-PCP-TPy2 (III) (IV).