Table 1.

Photophysical and electrochemical data for H₂CBPP and PTC-1(2H).

Compound	UV/vis spectra in toluene	fluorescence spectra in toluene
	λmax (nm)	λex (nm)	λem (nm)	τ (ns)	φ (%)
PTC-1(2H)	397, 506, 542, 580, 635	405	638, 702	9.80	1.82
H2CBPP	412, 504, 540, 579, 635	405	638, 700	9.87	1.86

Compound	CV spectraa (vs. SCE)		TA spectra in toluene
	Red1 (V)	Oxd1 (V)	TA band (nm) in N2	τ (μs)b	τ (μs)c
PTC-1(2H)	−0.97	0.98	430–500	102.20	0.33
H2CBPP	−0.98	1.10	425–500	53.98	0.25

^aIn CH₂Cl₂.

^bIn N₂.

^cIn air.