. Author manuscript; available in PMC: 2013 Nov 8.

Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2012 Nov 8;116(44):23428–23440. doi: 10.1021/jp307677b

Table 2.

Parameters from linear IR spectroscopy describing the mixed monolayers synthesized for study by ultrafast infrared spectroscopy.

#	Δ_h (cm⁻¹)	Δ_SD (cm⁻¹)	τ_SD (ps)	τ_VR (ps)
1	1.8	14.0	30 ± 5	18.8 ± 0.6
2	2.2	16.2	43 ± 5	17.1 ± 0.6
3	1.6	13.4	30 ± 4	19.4 ± 0.6
4	1.55	13.3	35 ± 6	19.1 ± 0.4
5	1.1	14.4	42 ± 11	18.6 ± 0.4
6	1.9	14.9	50 ± 10	18.6 ± 0.4
avg.	1.7	14.4	37 ± 5	18.6 ± 0.8

Δ_h – Homogeneous linewidth (FWHM) found by simultaneous analysis of initial CLS and absorption linewidth

Δ_SD –Inhomogeneous spectrally diffusing linewidth (FWHM) found by simultaneous analysis of initial CLS and absorption linewidth

τ_VR – Vibrational lifetime measured by heterodyne detected transient grating spectroscopy