RSC Advances
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molar ratio of 10/90 was found to have the highest catalytic 14 K. T. Jung, W. B. Kim, C. H. Rhee and J. S. Lee, Chem. Mater.,
activity as well as the long-term stability at a reaction temper-
ature of 300 ꢀC.
(4) X-ray photoelectron spectroscopy analysis indicated that
the coexistence of CuI and CuII species on the surface of the Cu
doped molybdenum carbide. The existent of CuI could result in
2004, 16, 307.
15 Y. F. Ma, G. Q. Guan, C. Shi, A. Zhu, X. Hao, Y. Kasai and
A. Abudula, Innovative Materials for Processes in Energy
Systems, ed. B. B. Saha, M. Koyama and Y. Takata,
Research Publishing Services, 2013, pp. 45–46.
high activity for methanol conversion and high stability of the 16 Y. Ma, G. Guan, P. Phanthong, X. Hao, W. Huang,
catalyst, which might be produced due to the strong interaction
between Cu and MoxCy support.
A. Tsutsumi, K. Kusakabe and A. Abudula, J. Phys. Chem.
C, 2014, 118, 9485.
17 C. Y. Wang, M. Boucher, M. Yang, H. Saltsburg and
M. Flytzani-Stephanopoulos, Appl. Catal., B, 2014, 154, 142.
18 Y. H. Chin, R. Dagle, J. Hu, A. C. Dohnalkova and Y. Wang,
Catal. Today, 2002, 77, 79.
19 P. Yaseneva, S. Pavlova, V. Sadykov, E. Moroz, E. Burgina,
L. Dovlitova, V. Rogov, S. Badmaev, S. Belochapkin and
J. Ross, Catal. Today, 2008, 138, 175.
Acknowledgements
This work is supported by Japan Science and Technology Agency
(JST), Japan and Aomori City Government. Ma thanks the State
Scholarship Fund of China Scholarship Council (2012). The
authors also thank Dr Yutaka Kasai and Dr Seiji Kakuta at
Aomori Prefectural Industrial Technology Research Center for
their technical support on experiments.
20 Y. Matsumura and H. Ishibe, J. Mol. Catal. A: Chem., 2011,
345, 44.
21 C. Fukuhara, Y. Kamata and A. Igarashi, Appl. Catal., A, 2007,
330, 108.
22 C. Pojanavaraphan, A. Luengnaruemitchai and E. Gulari, Int.
J. Hydrogen Energy, 2013, 38, 1348.
23 R. Kojima and K. Aika, Appl. Catal., A, 2001, 219, 141.
24 C. Bouchy, I. Schmidt, J. Anderson, C. Jacobsen, E. Derouane
and S. Derouane-Abd Hamid, J. Mol. Catal. A: Chem., 2000,
163, 283.
25 M. Tsuji, T. Miyao and S. Naito, Catal. Lett., 2000, 69, 195.
26 G. Ranhotra, A. Bell and J. Reimer, J. Catal., 1987, 108, 40.
Notes and references
1 L. Volpe and M. Boudart, J. Phys. Chem., 1986, 90, 4874.
2 N. M. Schweitzer, J. A. Schaidle, O. K. Ezekoye, X. Pan,
S. Linic and L. T. Thompson, J. Am. Chem. Soc., 2011, 133,
2378.
3 D. J. Moon and J. W. Ryu, Catal. Lett., 2004, 92, 17.
4 J. Patt, D. J. Moon, C. Phillips and L. Thompson, Catal. Lett.,
2000, 65, 193.
5 C. Shi, A. Zhang, X. Li, S. Zhang, A. Zhu, Y. Ma and C. Au,
Appl. Catal., A, 2012, 431, 164.
´
˜
27 S. Sa, H. Silva, L. Brandao, J. M. Sousa and A. Mendes, Appl.
Catal., B, 2010, 99, 43.
6 Y. Ma, G. Guan, C. Shi, A. Zhu, X. Hao, Z. Wang, K. Kusakabe
and A. Abudula, Int. J. Hydrogen Energy, 2014, 39, 258.
7 R. Barthos and F. Solymosi, J. Catal., 2007, 249, 289.
8 W. Setthapun, S. K. Bej and L. T. Thompson, Top. Catal.,
2000, 49, 73.
28 V. Durga Kumari, M. Subrahmanyam, A. Ratnamala,
D. Venugopal, B. Srinivas, M. Phanikrishna Sharma,
S. Madhavendra, B. Bikshapathi, K. Venkateswarlu and
T. Krishnudu, Catal. Commun., 2002, 3, 417.
29 M. C. Biesinger, L. W. Lau, A. R. Gerson and R. S. C. Smart,
Appl. Surf. Sci., 2010, 257, 887.
´
´
9 A. Koos, R. Barthos and F. Solymosi, J. Phys. Chem. C, 2008,
112, 2607.
30 A. Yin, X. Guo, W. L. Dai and K. Fan, J. Phys. Chem. C, 2009,
113, 11003.
31 L. Chen, P. Guo, M. Qiao, S. Yan, H. Li, W. Shen, H. Xu and
K. Fan, J. Catal., 2008, 257, 172.
32 H. Lin, X. Zheng, Z. He, J. Zheng, X. Duan and Y. Yuan, Appl.
Catal., A, 2012, 445, 287.
10 S. Li, W. B. Kim and J. S. Lee, Chem. Mater., 1998, 10, 1853.
11 L. Volpe and M. Boudart, J. Solid State Chem., 1985, 59, 332.
12 J. S. Lee, L. Volpe, F. H. Ribeiro and M. Boudart, J. Catal.,
1988, 112, 44.
´
13 A. Szechenyi and F. Solymosi, J. Phys. Chem. C, 2007, 111,
9509.
44184 | RSC Adv., 2014, 4, 44175–44184
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