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- Title
Lanthanide Metal-Organic Framework Microrods: Colored Optical Waveguides and Chiral Polarized Emission.
- Authors
Yang, Xiaogang; Lin, Xianqing; Zhao, Yibing; Zhao, Yong Sheng; Yan, Dongpeng
- Abstract
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.
- Subjects
RARE earth metals; METAL-organic frameworks; OPTICAL waveguides; CRYSTAL structure; TRIMELLITIC anhydride; ORGANOMETALLIC compounds; PHOTOEMISSION
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 27, p7961
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201703917