Supporting Information

The effects of different solvents and excitation wavelength on the photophysical properties of two novel Ir(III) complexes based on phenylcinnoline ligand

Jing Xu 1, 2 · Chaolong Yang 1, 2 · Bihai Tong 1, 3 · Yunfei Zhang 1, 2 · Liyan Liang 1 ·

Mangeng Lu *1

1. Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, PR China, 2. University of Chinese Academy of Sciences, Beijing 100039, PR China, 3. College of Metallurgy and Resources, Anhui University of Technology, Ma’anshan, Anhui 243002, PR China

*Corresponding author e-mail: （Mangeng Lu）

Contents:

Figure S1. The FTIR spectra of pcl, Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Figure S2. The MALDI-TOF mass spectrometry of Ir(pcl)2(pic) (a) and Ir(pcl)2(fpic) (b).

Figure S3. The CIE coordinates of Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Table S1. Polarizability data and emission intensity of different solvents.

Figure S4. Thermogravimetric analysis of Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Figure S5. Cyclic voltammogram of Ir(pcl)2(pic) and Ir(pcl)2(fpic) measured in acetonitrile solution, containing 0.1 M Bu4NClO4 at 298 K. Scans rates 50 mv/s.

Fig. S1. The FTIR spectra of pcl, Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Fig. S2. The MALDI-TOF mass spectrometry of Ir(pcl)2(pic) (a) and Ir(pcl)2(fpic) (b).

Fig. S3. The CIE coordinates of Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Table S1 Polarizability data and emission intensity of different solvents.

Solvent / DMSO / DMF / Acetone / THF / CHCl3
ε (20ºC) / 47.2 / 38.3 / 20.7 / 7.52 / 4.81
n (20ºC) / 1.4783 / 1.4305 / 1.3587 / 1.4072 / 1.4458
Δf / 0.2636 / 0.2752 / 0.2843 / 0.2089 / 0.1483
Fa / 1700 / 1256 / 1203 / 1908 / 3053
Fb / 1949 / 1308 / 1327 / 2075 / 3275

Fa is the area of the emission fluorescence spectrum of Ir(pcl)2(pic); Fb is the area of the emission fluorescence spectrum of Ir(pcl)2(fpic).

Fig. S4. Thermogravimetric analysis of Ir(pcl)2(pic) and Ir(pcl)2(fpic).

Fig. S5. Cyclic voltammogram of Ir(pcl)2(pic) and Ir(pcl)2(fpic) measured in acetonitrile solution, containing 0.1 M Bu4NClO4 at 298 K. Scans rates 50 mv/s.

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