Review Article

Theoretical Studies of Electronic Structure and Photophysical Properties of a Series of Indoline Dyes with Triphenylamine Ligand

Table 1

The calculated absorption wavelength (nm), excitation energy (eV), oscillator strength (), major configuration, and transition nature for D149 and D1–D4 (H, L, D, π, and A denote the HOMO, LUMO, triphenylamine moiety, indoline and rhodanine group, and CH2COOH, resp.).

(nm) (eV)Major configurationCharacter

D149 S1556.12.231.322099% H → L30.12% (D) + 69.8% (π) → 95.5% (π)
S2425.82.910.663770% H-1 → L40.1% (D) + 59.4% (π) → 95.5% (π)
S3410.53.020.209767% H → L + 130.1% (D) + 69.8% (π) → 51.8% (D) + 47.7% (π)

D1S1735.11.690.3047100% H → L87.2% (D) → 98.2% (π)
S2517.52.400.961399% H-1 → L23.1% (D) + 76.8% (π) → 98.2% (π)
S5398.53.110.436869% H-3 → L19.9% (D) + 79.4% (π) → 98.2% (π)
S13327.73.780.240478% H → L + 687.2% (D) → 57.8% (π) + 39.1% (A)

D2S1693.51.790.381299% H → L85.1% (D) + 14.5% (π) → 90.9% (π)
S2518.72.390.828291% H-1 → L53.4% (D) + 42.6% (π) → 90.9% (π)
S4469.62.640.203997% H → L + 185.1% (D) + 14.5% (π) → 92.8% (π)
S5402.73.080.332885% H-3 → L24.9% (D) + 65.6% (π) → 90.9% (π)
S10362.43.420.301761% H → L + 485.1% (D) + 14.5% (π) → 20.8% (D) 57.9% (π) + 21.3% (A)

D3S1661.51.870.372999% H → L86.9% (D) + 13.1% (π) → 97.2% (π)
S2515.72.400.930598% H-2 → L99.9% (D) → 97.2% (π)
S10365.63.390.587792% H → L + 486.9% (D) + 13.1% (π) → 77.1% (D) + 21.2% (π)
S11363.83.410.233557% H-4 → L44.0% (D) + 55.3% → 97.2% (π)
S12353.93.500.248147% H → L + 286.9% (D) + 13.1% (π) → 96.2% (D)

D4S1600.22.070.667699% H → L58.7% (D) + 41.1% (π) → 96.4% (π)
S2491.52.520.702598% H-1 → L46.0% (D) + 53.6% (π) → 96.4% (π)
S4427.92.900.387591% H → L + 158.7% (D) + 41.1% (π) → 89.2% (π)
S7371.33.340.706190% H → L + 458.7% (D) + 41.1% (π) → 99.6% (D)
S12357.13.470.216753% H-4 → L99.9% (π) → 96.4% (π)
S13346.63.580.258164% H → L + 658.7% (D) + 41.1% (π) → 83.2% (D) + 16.4% (π)