Ce3+掺杂La2O3的O-17固体核磁共振研究

IF 0.8 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

无机化学学报 Pub Date : 2013-12-10 DOI:10.3969/J.ISSN.1001-4861.2013.00.399

Z. Li, D. Weiping, Peng Luming

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引用次数: 0

摘要

本文在H-2/N-2气氛下，采用水热共沉淀法和高温煅烧法合成了掺杂不同Ce3+浓度的La2O3。由于Ce3+的掺杂，在O-17固体核磁共振谱中出现了698、650和558三个新峰。这些峰的强度随着Ce3+浓度的增加而增加。根据共振频率和强度，698、650和558附近的峰值分别属于四协调OCeLa3和六协调OCeLa5物种。结果表明，O-17固体核磁共振光谱可以用于研究稀土掺杂氧化物的适用功能材料。

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O-17 Solid-State NMR Studies of Ce3+ Doped La2O3

In this paper, La2O3 doped with varied Ce3+ concentrations were synthesized via hydrothermal co-precipitation followed by high temperature calcined process in H-2/N-2 atmosphere. Three new peaks show up at 698, 650 and 558 in O-17 solid state NMR spectra due to Ce3+ doping. The intensies of these peaks increase with Ce3+ concentration. According to the resonant frequencies and the intensities, the peaks at around 698 and 650, and 558 are assigned to four-coordinated OCeLa3 and six-coordinated OCeLa5 species, respectively. The results show that O-17 solid-state NMR spectroscopy can be used to study rare earth doped oxides for applicable functional materials.

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来源期刊

无机化学学报化学-无机化学与核化学

CiteScore

1.40

自引率

42.90%

发文量

8709

审稿时长

2.2 months

期刊介绍： “Chinese Journal of Inorganic Chemistry” publishes fundamental studies in all phases of inorganic chemistry, including solid-state chemistry, coordination chemistry, inorganic materials chemistry, bioinorganic chemistry, organometallic chemistry, theoretical inorganic chemistry, supermolecule chemistry, applied inorganic chemistry and related field of catalysis. Emphasis is on the synthesis, thermodynamics, kinetics, spectroscopy, structure and bonding properties of new and known compounds. In addition to full-length research articles, “Chinese Journal of Inorganic Chemistry” also publishes notes, letters, and reviews. “Chinese Journal of Inorganic Chemistry” accepts manuscript written in simplified Chinese or English.