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Uniform Tb-based coordination polymer microspheres and their film: synthesis, characterization, and luminescence properties

Shengkai Li, Honghong Zou, Dekang Xu, Min Shuai, Hualan Xu, Yuan Li, and Shengliang Zhong

Research Center for Ultrafine Powder Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China

 

E-mail: newwen2010@163.com

Received: 20 August 2019  Accepted: 5 November 2019

Abstract:

Terbium-based coordination polymer (Tb-CP) microspheres with diameters ranging from 0.8 to 1.5 μm were prepared from Tb(NO3)3 and 2-nitroterephthalic acid at 160 °C for 6 h. Their composite film with polymethyl methacrylate was prepared by spin-coating method. The products were fully characterized by SEM, TEM, PXRD, TG, FT-IR, and PL. Eu3+-doped Tb-CP microsphere and its film were prepared and their luminescent properties were investigated. It turns out that the hetero-metal CPs only exhibits the characteristic emission peak of Eu3+, indicating metal-to-metal charge transfer from the Tb3+ to Eu3+ centers.

Keywords: Coordination polymer; Nanomaterials; Spin-coating; Film; Rare earth

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-019-00991-8

 

Chemical Papers 74 (5) 1417–1427 (2020)

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