n -hexane
DESCRIPTION
R : -(CH 2 ) 13 -CH 3. n -Hexane. Water. 1. Figure . Schematic representation of the flexible coil-like and stiff rod-like nanofibers. (a). (b). g (2) (t)-1. g (2) (t)-1. R H (nm). R H (nm). Lag time (ms). Lag time (ms). (c). (d). D app ×10 7 (cm 2 s -1 ). I q 2. q (nm -1 ). - PowerPoint PPT PresentationTRANSCRIPT
OOOR
OROR
O
RO
RORO
O34
( )
n-HexaneWater
R : -(CH2)13-CH3
1
Figure. Schematic representation of the flexible coil-like and stiff rod-like nanofibers.
0.010 0.015 0.020 0.0250.0
0.1
0.2
0.3
1 2 3 4 5 60.0
0.1
0.2
0.3
0.4
0.5
1E-3 0.01 0.1 1 10 100 1000 10000
1E-3 0.01 0.1 1 10 100 1000 10000
Lag time (ms)
g(2
) (t)-
1
1 10 100 1000
0.0
0.2
0.4
0.6
0.8
1.0
RH (nm)
Lag time (ms)
g(2
) (t)-
11 10 100 1000
0.0
0.2
0.4
0.6
0.8
1.0
RH (nm)
(a) (b)
(c) (d)
q2×10-10 (cm2)
Dap
p×
107
(cm
2s-1
)
Iq2
q (nm-1)
Figure. Autocorrelation functions of 1 (scattering angular range of 45-135°), and inset is size distribution of the aggregates at a scattering angle of 90° (from CONTIN analysis) (a) in water, (b) in n-hexane, (c) Angular dependence of the apparent diffusion coefficient for 1 and (d) Kratky plots in aqueous solution (○), in n-hexane solution (●).
5 10 15 20 25
0.2 0.3 0.4 0.5 0.6 0.7 0.8
(b)
50 nm
(a)
50 nm
(d)(c)
q (nm-1)
inte
nsit
y
15.5 nm
q (nm-1)
inte
nsit
y
13.6 nm-1
16.5 nm-1
Figure. TEM images of the nanofibers of 1 (a) in aqeous solution, (b) in n-hexane solution and (c) SAXS pattern of molecule 1 formed from nhexane solution and inset is a representative optical polarized micrograph of the nematic phase, (d) WAXS pattern of the dried liquid crystal gel formed from n-hexane solution.