46
2 Biphenyl Moiety for a Solvent Responsive Aryl Gold(I) …
700
600
500
400
300
Normalized Intensity
a)
700
600
500
400
300
b)
Normalized Intensity
700
600
500
400
300
c)
Normalized Intensity
700
600
500
400
300
Normalized Intensity
d)
700
600
500
400
300
e)
λ / nm
Normalized Intensity
700
600
500
400
300
λ / nm
Normalized Intensity
f)
i ii
i
i i
3/CHCl 3
i
ii
i
i i
3/Py
i
ii
i
ii
3/CH 2 Cl 2
i
ii
3/CH 2 Br 2
i
ii
i
i i
3/DMA
i
ii
i
i i
3/AcH
i
i i
λ / nm
λ / nm
λ / nm
λ / nm
Fig. 2.21 Excitation (dashed lines) and emission (solid lines) spectra of eleven 3/solvent (denoted
as “i”) and their ground powder 3 ground (denoted as “ii”), in which 3/solvent corresponds to a
3/CHCl 3 , b 3/Py, c 3/CH 2 Cl 2 , d 3/CH 2 Br 2 , e 3/DMA, f 3/AcH, g 3/CH 3 CN, h 3/DMF, i 3/SPO,
j 3/racPO, and k 3/acetone. The measurement conditions are summarized in Table 2.3