Topics in Current Chemistry (2019) 377:22
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Detector
Beam
Detector
PTFE
(Comparison
port)
Air
(Filter holder
compartment)
PTFE
(Sample
port)
(c)
(d)
PTFE
(Comparison
port)
PTFE
(Sample
port)
Sample
(Filter holder
compartment)
Detector
Beam
(a)
PTFE
(Sample
port)
PTFE
(Comparison
port)
Beam
(b)
Light
trap
Sample (Sample port)
Beam
Detector
PTFE
(Comparison
port)
Fig. 10 Integrating sphere configuration for reflectance and transmittance measurements. Reprinted with
permission from [63]. Copyright 2005 American Chemical Society
290 310 330 350 370 390 410
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
κ
*
λ
β
*
λ
,
σ
*
λ
,
κ
*
λ
×
10
-4
(cm
2
g
-1
)
λ (nm)
0.0
0.2
0.4
0.6
0.8
1.0
σ
*
λ
β
*
λ
g λ
g λ
Fig. 11 Optical properties vs. wavelength for the Evonik Aeroxide P 25 TiO 2 catalyst.
∗
: solid line;
∗
:
dashed line;
∗
: dotted line; g : dashed and dotted line. Reprinted with permission from [63]. Copyright
2005 American Chemical Society
282
Reprinted from the journal