Volume 8, Pages (October 2018)

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Volume 8, Pages 61-73 (October 2018) Pd-CuFe Catalyst for Transfer Hydrogenation of Nitriles: Controllable Selectivity to Primary Amines and Secondary Amines Lei Liu, Yuhong Liu, Yongjian Ai, Jifan Li, Junjie Zhou, Zhibo Fan, Hongjie Bao, Ruihang Jiang, Zenan Hu, Jingting Wang, Ke Jing, Yue Wang, Qionglin Liang, Hongbin Sun iScience Volume 8, Pages 61-73 (October 2018) DOI: 10.1016/j.isci.2018.09.010 Copyright © 2018 The Author(s) Terms and Conditions

iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 1 Screening of Catalysts The catalysts that are expressed as Pd-M1xM2y/Fe3O4 are prepared with 0.5 mg PdCl2, x and y mmol nitrate, and 100 mg Fe3O4. See also Table S1. iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 2 Characterization of Morphology (A) Transmission electron microscopic (TEM) image of the Fe3O4 carrier. (B, C, and E–I) TEM image, high-resolution TEM (HRTEM) image, SEAD characterization, and EDS elemental mappings of the catalyst. (D) HRTEM image of a single Pd-FeCu NP. See also Figure S1. iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 3 Characterization of Structure X-ray diffraction pattern of optimal catalyst (A) and sole Pd-FeCu nanoparticles without carrier (B). iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 4 Characterization of Electron Modulation X-ray photoelectron spectroscopy of Pd-FeCu/Fe3O4 in the (A) Cu 2p and (B) Fe 2p regions. See also Figures S2 and S3. iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 5 Cu 2p3/2 BEs and Secondary Amine Selectivities in Different Catalysts See also Figure S3. iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 6 Stability of the Optimum Catalyst See also Figure S4. iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Figure 7 Plausible Mechanism for the Hydrogenation of Nitriles to Secondary Amines Catalyzed by Pd-Fe0.25Cu0.25/Fe3O4 iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Scheme 1 The Probable Products in Nitrile Reduction: the Nature of Selectivity Issues iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions

Scheme 2 The Flowchart for Preparation of the Catalyst iScience 2018 8, 61-73DOI: (10.1016/j.isci.2018.09.010) Copyright © 2018 The Author(s) Terms and Conditions