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Welding Metallophthalocyanines into Bimetallic Molecular Meshes for Ultra-Sensitive, Low-Power Chemiresistive Detection of Gases Zheng Meng, Aylin Aykanat, and Katherine A Mirica J. Am. Chem. Soc., Just Accepted Manuscript • DOI: 10.1021/jacs.8b11257 • Publication Date (Web): 31 Dec 2018 Downloaded from http://pubs.acs.org on December 31, 2018
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is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Published by American Chemical Society. Copyright © American Chemical Society. However, no copyright claim is made to original U.S. Government works, or works produced by employees of any Commonwealth realm Crown government in the course of their duties.
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Journal of the American Chemical Society
Welding Metallophthalocyanines into Bimetallic Molecular Meshes for Ultra-Sensitive, Low-Power Chemiresistive Detection of Gases
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Page 3 of 9 NH3
50
20
5 2
40
0 0
10
20
(d) 50
30 40 t/min
0 50
60
0
70
10
100
40
20 10
40 80
0 0
10
20
30 40 t/min
70
60
0 -50 -100 -150 -200 -250 -300 -350 -400 -450
0.2 (ppm)
0
10
20
30 40 t/min
50
60
−
−
0
70
10 20 30 40 50 60 70 t/min
(f)
0.5
0 60
50
1
20
50
(ppb)
-700
2
40
10 5 2 (ppm)
10
-600
5
60
20
20
30 40 t/min
1000
-500
40,80
−ΔG/G0 (%)
40
30
20
(e)
80
-400
1 0.5 0.2 (ppm)
10 (ppm)
500
-300
2
30 20
10
-200
−ΔG/G0 (%)
−ΔG/G0 (%)
10
50
20 40 80 200
-100
80 40 20 10 5
60
20
30
(c) 0
70
40
N2
N2
(b) 80
80
40
N2
N2
−ΔG/G0 (%)
(a)
NO
H2S
N2
20 40
80 200
−ΔG/G0 (%)
N2
−ΔG/G0 (%)
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500
1000
(ppb)
0
10 20 30 40 50 60 70 t/min
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(b)
NH3
30
y = 0.64x + 5.61 R² = 0.97
−ΔG/G0 (%)
y = 0.37x + 1.90 R² = 0.97
20 10
y = 0.17x + 1.67 R² = 0.95
y = 77.98x + 2.34 R² = 0.98
80
y = 4.39x + 4.17 R² = 0.98
40 20
0
20
(d) 30
40 60 [NH3]/ppm
80
100
initial rate of response
25
y = 0.36x + 0.31 R² = 0.99
20 15 10 5
y = 0.16x + 0.88 R² = 0.97
0
5
10 15 [H2S]/ppm
20
40 60 [NH3]/ppm
80
100
-500 y = -630.65x - 33.93 R² = 0.99
0
20
(f)
H2S y = 4.47x + 8.01 R² = 0.96
150 100
y = 1.09x + 0.81 R² = 0.99
50
0.2
0.4 0.6 0.8 [NO]/ppm
1
1.2
0 NO
-10 -20
y = -34.66x - 0.78 R² = 0.99
-30
y = -37.51x + 0.29 R² = 0.99
-40
0 0
-400
-700 0
(e) 200
NH3
y = -332.48x - 75.41 R² = 0.98
-300
-600
y = 1.51x + 0.42 R² = 0.99
0
0
NO y = -34.13x - 2.42 R² = 0.98 y = -43.89x - 1.75 R² = 0.98
-200
y = 20.19x + 3.12 R² = 0.97
60
0
-100
initial rate of response
−ΔG/G0 (%)
40
y = 0.97x + 11.41 R² = 0.97
(c)
H2 S
100
−ΔG/G0 (%)
50
(a)
initial rate of response
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0
10
20 30 [H2S]/ppm
40
50
0
0.2
0.4 0.6 0.8 [NO]/ppm
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60
(a) −∆G/G0 (%)
NiNPc-Cu
40 ppm NH3
50 NiPc-Ni
40
NiPc-Cu
30
NiNPc-Ni
20 10 0
(b) 120
40 ppm H2S
−∆G/G0 (%)
100 80 60
−
40 20
0 0
(c) −∆G/G0 (%)
-200 -400 -600 1 ppm NO
-800 (d) 2 1.5
40 ppm NH3
1 PC2
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0.5
1 ppm NO
0 -0.5
ASSOCIATED CONTENT
-1
Supporting Information 40 ppm H2S
-1.5 -4
-2
0 PC1
2
4
AUTHOR INFORMATION Corresponding Author
ACKNOWLEDGMENT ACS Paragon Plus Environment
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REFERENCES
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