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Lanthanide Metal–Organic Framework Microrods: Colored Optical Waveguides and Chiral Polarized Emission
Author(s) -
Yang Xiaogang,
Lin Xianqing,
Zhao Yibing,
Zhao Yong Sheng,
Yan Dongpeng
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201703917
Subject(s) - lanthanide , isostructural , photoluminescence , materials science , metal organic framework , luminescence , photonics , nanotechnology , metal , optoelectronics , ion , crystallography , crystal structure , chemistry , organic chemistry , adsorption , metallurgy
Lanthanide metal–organic frameworks (Ln‐MOFs) have received much attention owing to their structural tunability and widely photofunctional applications. However, successful examples of Ln‐MOFs with well‐defined photonic performances at micro‐/nanometer size are still quite limited. Herein, self‐assemblies of 1,3,5‐benzenetricarboxylic acid (BTC) and lanthanide ions afford isostructural crystalline Ln‐MOFs. Tb‐BTC, Eu@Tb‐BTC, and Eu‐BTC have 1D microrod morphologies, high photoluminescence (PL) quantum yields, and different emission colors (green, orange, and red). Spatially PL resolved spectra confirm that Ln‐MOF microrods exhibit an optical waveguide effect with low waveguide loss coefficient (0.012≈0.033 dB μm −1 ) during propagation. Furthermore, these microrods feature both linear and chiral polarized photoemission with high anisotropy.