Inorganic Chemistry
Article
−
1
−
OCH ). FT-IR (KBr, cm ): 3435, 3062, 2955, 2869, 1628 (w,
Device Characterization. The current−voltage (J−V) character-
istics of the DSSCs were measured using a Keithley source meter
(model 2400) in the dark and under illumination. The incident light
3
ν
), 1586, 1570, 1474, 1425, 1373, 1299, 1237, 1176, 1096, 1004,
54, 861, 817, 772, 742, 685, 590, 546, 517, 469. ESI-MS: m/z = 449.1
CN
9
+
−2
[
M − Cl] .
intensity was 100 mW cm , calibrated by a standard silicon solar cell.
2
ZnL Cl (Zn2). Yield: 42.1 mg (58%). Anal. Calcd for Zn2
C H Cl N OZn (362.56)]: C, 46.38; H, 3.89; N, 7.73. Found: C,
6.54; H, 3.97; N, 7.50. H NMR (CDCl , 400 MHz, ppm): 8.37 (s,
During the I−V measurement, a 0.16 cm mask was used to get a
2
2
[
uniform working area for all cells. The incident photon-to-current
conversion efficiency (IPCE) spectra of the DSSCs were measured
using an EQE/IPCE spectral response system (Newport). The
electrochemical impedance spectra, in the dark and under illumination,
were recorded using a CHI660D electrochemical workstation
1
4
14
2
2
1
4
1
7
−
3
H, HCN), 8.16 (t, 1H, pyridine-H ), 7.80 (d, 1H, pyridine-H ),
5
4
.53 (d, 1H, pyridine-H ), 6.97−7.27 (m, 4H, phene-H), 4.27 (s, 3H,
3
−1
OCH ), 2.48 (s, 3H, −CH ). FT-IR (KBr, cm ): 3434, 3079, 2985,
3
3
(
Chenhua, China); measurements were taken under standard global
2
1
8
857, 1630 (m, ν
), 1600, 1580, 1481, 1428, 1372, 1303, 1234,
CN
5
AM1.5 solar irradiation over a frequency ranging from 0.1 to 10 Hz.
211, 1187, 1175, 1116, 1099, 1088, 1040, 1016, 993, 964, 877, 866,
11, 795, 770, 740, 719, 664, 604, 579, 541, 507, 480, 456. ESI-MS: m/
+
ASSOCIATED CONTENT
* Supporting Information
X-ray crystallographic files (CIF), structural information for
z = 227.2 [M − Zn−2Cl] .
■
HgL Cl (Hg2). Yield: 53.8 mg (54%). Anal. Calcd for Hg2
C H Cl N OHg (497.76)]: C, 33.78; H, 2.84; N, 5.63. Found: C,
3.96; H, 2.57; N, 5.51. H NMR (CDCl , 400 MHz, ppm): 8.48 (s,
S
2
2
[
14 14 2 2
1
3
1
7
−
2
1
8
4
1
3
Zn1−Zn3 and Hg1−Hg3, FT-IR spectra, H NMR spectra,
H, HCN), 7.97 (t, 1H, pyridine-H ), 7.73 (t, 1H, pyridine-H ),
5
4
PXRD patterns, luminescent data, and selected bond lengths
.58 (d, 1H, pyridine-H ), 6.97−7.10 (m, 4H, phene-H), 4.03 (s, 3H,
3
−1
OCH ), 2.43 (s, 3H, −CH ). FT-IR (KBr, cm ): 3435, 3075, 2943,
3
3
834, 1619 (m, ν
), 1582, 1571, 1477, 1460, 1424, 1375, 1312,
CN
297, 1234, 1186, 1177, 1115, 1097, 1034, 1011, 992, 960, 948, 871,
60, 795, 768, 745, 730, 718, 658, 638, 600, 572, 536, 515, 473, 458,
46. ESI-MS: m/z = 499.7 [M + H] , 463.2 [M − Cl] .
ZnL Cl (Zn3). Yield: 57.0 mg (73%). Anal. Calcd for Zn3
C H Cl N OZn (390.61)]: C, 49.20; H, 4.65; N, 7.17. Found: C,
9.57; H, 4.53; N, 7.38. H NMR (CDCl , 400 MHz, ppm): 8.27 (s,
+
+
AUTHOR INFORMATION
■
3
2
[
16 18 2 2
1
4
1
7
−
2
1
8
3
H, HCN), 8.15 (d, 1H, pyridine-H ), 7.49 (d, 1H, pyridine-H ),
5
4
Notes
.32 (d, 1H, pyridine-H ), 6.93 (s, 2H, phene-H), 4.29 (s, 3H,
3
−1
The authors declare no competing financial interest.
OCH ), 2.29 (m, 9H, −CH ). FT-IR (KBr, cm ): 3435, 3085, 2944,
3
3
919, 2862, 1637 (m, ν
), 1598, 1575, 1482, 1431, 1368, 1308,
296, 1226, 1201, 1178, 1145, 1093, 1039, 1014, 977, 950, 895, 856,
CN
ACKNOWLEDGMENTS
■
06, 749, 740, 641, 595, 583, 500, 449. ESI-MS: m/z = 355.2 [M −
This work was supported by the National Natural Science
Foundation of China (Grants 21371040 and 21171044), the
National key Basic Research Program of China (973 Program,
No. 2013CB632900), Fundamental Research Funds for the
Central Universities (Grant No. HIT.IBRSEM.A.201409), and
the Program for Innovation Research of Science in Harbin
Institute of Technology (PIRS of HIT No. A201416 and
B201414).
+
+
Cl] , 318.3 [M − 2Cl] .
HgL Cl (Hg3). Yield: 69.4 mg (66%). Anal. Calcd for Hg3
C H Cl N OHg (525.81)]: C, 36.55; H, 3.45; N, 5.33. Found: C,
6.88; H, 3.38; N, 5.20. H NMR (CDCl , 400 MHz): 8.44 (s, 1H,
3
3
2
[
3
16 18 2 2
1
HCN), 8.02 (t, 1H, pyridine-H ), 7.42 (d, 1H, pyridine-H ), 7.18
5
4
(
d, 1H, pyridine-H ), 6.92 (s, 2H, phene-H), 4.16 (s, 3H, −OCH ),
3
3
−1
2
2
1
8
.24−2.30 (m, 9H, −CH ) ppm. FT-IR (KBr, cm ): 3434, 3085,
3
968, 2915, 2861, 1637 (m, ν
), 1590, 1575, 1474, 1431, 1379,
CN
367, 1293, 1228, 1199, 1177, 1147, 1085, 1037, 1006, 977, 949, 898,
60, 836, 806, 749, 735, 640, 594, 566, 496, 435. ESI-MS: m/z = 475.2
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■
+
[
M − Cl − CH ] .
3
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(
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3
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2
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(
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2
to 80 °C, the photoanodes were stained by immersing them into
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1
3
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2
1
:1 solvent mixture of acetonitrile/propylene carbonate.
J
Inorg. Chem. XXXX, XXX, XXX−XXX