Supporting information

Characterization of the aggregation-induced enhanced emission of N,N/-bis(4-methoxysalicylide) benzene-1,4-diamine

Fuyong Wua·Guangjun Xua·Xi Zenga·Lan Mua·Carl Redshawb·Gang Weic

a Key Laboratory of Macrocycle and Supramolecular Chemistry of GuizhouProvince, Guiyang, 550025, China)

b Department of Chemistry, University of Hull, HullHU6 7RX, U.K.)

c CSIRO Manufacturing Flagship, PO Box 218, NSW 2070, Australia)

Fig.S1. 1H NMR spectrum of S1 in CDCl3.

Fig.S2.The AIEE fluorescence intensityofdifferentconcentrationsof S1 in different volume fractions of DMSO/H2O mixed solvent. λex/λem = 379 / 510 nm

Fig. S3. The AIEE fluorescencespectra of S1 (10 µM) in different volume fractions of aDMSO/ glycol mixed solvent. λex =379 nm

Table 1. Emission intensity changes of S1(10μm) withdifferent water content and viscosity systems

DMSO/H2O (Vol. %) / 100 / 90 / 80 / 70 / 60 / 50 / 40 / 30 / 20 / 10
Int / 34.0 / 26.2 / 21.1 / 11.7 / 4.6 / 5.5 / 80.9 / 104.8 / 132.5 / 102.9
DMSO/Glycol (Vol. %) / 100 / 90 / 80 / 70 / 60 / 50 / 40 / 30 / 20 / 10
Int / 34.0 / 39.6 / 44.9 / 69.8 / 57.1 / 64.1 / 72.2 / 81.4 / 92.6 / 110.3

Fig.S4.The AIEE fluorescence spectraofS1 inDMSO/H2O(10 µM,Vol.80% H2O) mixed solventat differenttemperatures.λex = 379 nm

Table 2. Emission intensity change of S1 in DMSO/H2O (10μm, Vol. 80% H2O) at different temperatures

T/ºC / 20 / 30 / 40 / 50 / 60 / 70
Int / 133.6 / 103.7 / 86.0 / 61.5 / 14.3 / 4.4

Corresponding author. Tel.: +86 851 362 4031; fax: +86 851 362 0906.

E-mail address: (L. Mu).