28 February 2017 Host-guest interaction between Acridine orange molecules and AFI or CHA zeolite crystals
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Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 1025640 (2017) https://doi.org/10.1117/12.2257879
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China
Abstract
Acridine orange (AO) molecules were incorporated in AlPO4-5, SAPO-5 and SAPO-47 single crystals by vapor-phase diffusion method. Polarized absorption spectra show that AO molecules are well aligned by the one-dimensional channel systems of AlPO4-5 and SAPO-5 matrices. While the orientation of AO molecules in SAPO-47 crystals is diverse owing to the three-dimensional cage structure of chabazite (structure code CHA). The absorption peak and emission peak of AO/SAPO-5 blue shift compared with that of AO/AlPO4-5 because the channel environment changes from non-polar medium to polar medium when Si substituted in the framework of AlPO4-5. The greater blue shift in absorption band and emission band of AO/SAPO-47 are expected to originate from the polar channel medium and smaller channel size of SAPO-47.
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Yanping Chen, Ling Fu, Xintong Xu, Irene Ling Li, Shuangchen Ruan, Dunliang Jian, Jianpang Zhai, "Host-guest interaction between Acridine orange molecules and AFI or CHA zeolite crystals ", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 1025640 (28 February 2017); doi: 10.1117/12.2257879; https://doi.org/10.1117/12.2257879
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