Paper
NJC
uniform and highly dispersed metallic Pd nanoparticles in 11 P. Zhang, Y. Hu, B. Li, Q. Zhang, C. Zhou, H. Yu, X. Zhang,
which the Pd content was in the range of 1.25–2.25 wt%. The
noble metal (Pd nanoparticles) and support (Er O nanorods)
L. Chen, B. Eichhorn and S. Zhou, ACS Catal., 2015, 5,
1335–1343.
2
3
were combined through strong metal–support interaction 12 L. Yin and J. Liebscher, Chem. Rev., 2007, 107, 133–173.
SMSI). The nanocatalysts showed remarkable catalytic activity 13 J. Turkevich and G. Kim, Science, 1970, 169, 873–879.
in hydrogenation reactions with H
as the reductant. In the 14 F. Klotter and A. Studer, Angew. Chem., Int. Ed., 2014, 53,
(
2
hydrogenation reaction of styrene, the TOF values of these
2473–2476.
À1
Pd–Er
2
O
3
nanocatalysts were all higher than 5000 h . Notably, 15 Y. Dai, S. Liu and N. Zheng, J. Am. Chem. Soc., 2014, 136,
the TOF value of 1.75 wt% Pd–Er
2
O
3
nanocatalysts was even
5583–5586.
À1
calculated to be 9013 h . Also, the k value of the 1.75 wt% 16 N. Xue, R. J. Yu, C. Z. Yuan, X. Xie, Y. F. Jiang, H. Y. Zhou,
À1
Pd–Er O nanocatalysts was 0.0058 s in the hydrogenation of
T. Y. Cheang and A. W. Xu, RSC Adv., 2017, 7, 2351–2357.
2
3
4
-NP by H . The 1.75 wt% Pd–Er O can also catalyse the 17 X. Wu and H. Zhou, New J. Chem., 2017, 41, 10245–10250.
2 2 3
hydrogenation of functional nitroarenes with excellent catalytic 18 R. Gopalakrishnan, B. Loganathan, S. Dinesh and K. Raghu,
properties. Compared to other Pd-based catalyst systems, the
J. Cluster Sci., 2017, 28, 2123–2131.
superior catalytic performance may be attributed to the syner- 19 T. Y. Zeng, Z. M. Zhou, J. Zhu, Z. M. Cheng, P. Q. Yuan and
gistic effect of the strong metal–support interaction (SMSI) and
W. K. Yuan, Catal. Today, 2009, 147, S41–S45.
the strong chemisorption of H on the Pd–Er
catalysts. 20 M. Kang, M. W. Song and K. L. Kim, React. Kinet. Catal. Lett.,
Thanks to the simple synthetic method and excellent catalytic
2002, 75, 177–183.
performance, this work could provide a new strategy to prepare 21 A. Kalinkin and A. Pashis, React. Kinet. Catal. Lett., 1992, 46,
2
2 3
O
noble metal particles loaded on a support with remarkable
catalytic performance for various chemical transformations.
39–44.
22 Z. Dong, X. Le, C. Dong, W. Zhang, X. Li and J. Ma, Appl.
Catal., 2015, 162, 372–380.
2
2
2
2
2
2
2
3
3
3 S. Fung, R. Garten, S. Tauster, R. Baker and J. Horsley, 72nd
AIChE Annu. Meet. Prepr., 1979, 77, 171–175.
4 Q. Zhang, Z. Fu, Y. Ni, C. Lu and Z. Xu, J. Rare Earths, 2004,
Conflicts of interest
There are no conflicts to declare.
22, 38–42.
5 W. Feng, L. D. Sun, Y. W. Zhang and C. H. Yan, Small, 2009,
5, 2057–2060.
6 S. Heer, K. K o¨ mpe, H. U. G u¨ del and M. Haase, Adv. Mater.,
Acknowledgements
The authors gratefully acknowledge the special funding sup-
port from the National Natural Science Foundation of China
2004, 16, 2102–2105.
7 J. Yang, C. Li, Z. Quan, C. Zhang, P. Yang, Y. Li, C. Yu and
J. Lin, J. Phys. Chem. C, 2008, 112, 12777–12785.
8 S. Yin, S. Akita, M. Shinozaki, R. Li and T. Sato, J. Mater. Sci.,
(51572253 and 21771171), the Scientific Research Grant of
Hefei National Synchrotron Radiation Laboratory (UN2017LHJJ),
the Fundamental Research Funds for the Central Universities
2
008, 43, 2234–2239.
9 G. Wang, Q. Peng and Y. Li, J. Am. Chem. Soc., 2009, 131,
4200–14201.
0 Z. Yanyan, F. Zebo and L. Yongsheng, J. Rare Earths, 2010,
8, 752–755.
(YD2340002001), and Cooperation between NSFC and Netherlands
Organization for Scientific Research (51561135011).
1
2
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