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| Synthesis and Absorption Properties of Leaf-like Nd2Cu2O4+δ via a Coordination Complex Method with [NdCu(3,4-pdc)2(OAc)(H2O)5]·6.5H2O Precursor |
| ZHAO Yao;YOU Jun-Hua;LV Wen-Quan;FANG Ming |
a (School of Materials Science and Engineering,Shenyang University of Technology, Shenyang 110870, China)
b (Institute of Modern Physics, Chinese Academy of Sciences (CAS), Lanzhou 730000, China)
c (Department of Chemistry, Hebei Normal University of Science & Technology, Qinhuangdao 066004, China) |
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Abstract Nd2Cu2O4+δ nanosheets were synthesized via coordination complex method (CCM) by using [NdCu(3,4-pdc)2(OAc)(H2O)5]·6.5H2O (1,3,4-pdc = 3,4-pyridinedicarboxylic acid) as the precursor. Compared to the particles prepared by SSM (simple solution method), Nd2Cu2O4+δ prepared by CCM showed leaf-like morphology composed of nanosheets with an average thickness of 50～80 nm and a BET surface area up to 17.9 m2/g. The Nd2Cu2O4+δ samples exhibit selective adsorption towards malachite green (MG) with significant Qm (maximum adsorption capacity) values reaching up 1.55 g/g at room temperature, and the thermodynamic parameters of adsorption process were obtained. In addition, the properties of selective adsorption of the prepared samples were investigated by temperature change tests.
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Received: 03 June 2019
Published: 13 April 2020
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Fund:This work was supported by Liaoning Province College Innovative Talents Fund Project (No. LCR2018016) and the Natural Science Foundation of Liaoning Province (No. 2019-MS-244)
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Corresponding Authors:
youjunhua168@163.com
E-mail: youjunhua168@163.com
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2020, Vol. 39 
