Rapid Assembly of One-dimensional Orientation LTL Zeolite Fluorescent Array

ZHANG Bin-xing; SU Mei-hui; MA Qiang; WANG Zheng; HAN Le; SONG Zhi; LI Shan

doi:10.3788/fgxb20163711.1339

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Rapid Assembly of One-dimensional Orientation LTL Zeolite Fluorescent Array

更新时间：2020-08-12

- Rapid Assembly of One-dimensional Orientation LTL Zeolite Fluorescent Array
- Chinese Journal of Luminescence Vol. 37, Issue 11, Pages: 1339-1345(2016)
- 作者机构：
  
  1. 省部共建天然气转化国家重点实验室培育基地(宁夏大学),宁夏银川,750021
  2. 宁夏大学化学化工学院,宁夏银川,750021
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163711.1339
  CLC： O611.4
- Received：17 May 2016，
  
  Revised：21 June 2016，
  
  Published：05 November 2016
- 稿件说明：
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张斌兴, 苏美慧, 马强等. 一维取向LTL型分子筛荧光阵列的快速组装[J]. 发光学报, 2016,37(11): 1339-1345

ZHANG Bin-xing, SU Mei-hui, MA Qiang etc. Rapid Assembly of One-dimensional Orientation LTL Zeolite Fluorescent Array[J]. Chinese Journal of Luminescence, 2016,37(11): 1339-1345
张斌兴, 苏美慧, 马强等. 一维取向LTL型分子筛荧光阵列的快速组装[J]. 发光学报, 2016,37(11): 1339-1345 DOI： 10.3788/fgxb20163711.1339.

ZHANG Bin-xing, SU Mei-hui, MA Qiang etc. Rapid Assembly of One-dimensional Orientation LTL Zeolite Fluorescent Array[J]. Chinese Journal of Luminescence, 2016,37(11): 1339-1345 DOI： 10.3788/fgxb20163711.1339.

摘要

通过有效控制合成液配比，合成出了形貌规则、结晶度高且具有不同长径比的LTL型分子筛晶粒。采用瓶中造船法，在不同长径比的LTL型分子筛晶粒孔道中组装稀土有机配合物，制得LTL分子筛/Eu-TTA主-客体荧光材料。荧光光谱表征结果表明，在激发波长为350nm时，长径比为0.2的LTL分子筛/Eu-TTA晶粒在617nm处的

发光强度最大，而长径比为3的晶粒发光强度最小。最后，将长径比为0.2的LTL分子筛/Eu-TTA晶粒在PEI修饰的玻璃表面快速擦涂10s后，就制得厘米尺寸的一维取向LTL型分子筛荧光阵列。SEM表征结果证实，该分子筛荧光阵列中几乎所有的LTL分子筛晶粒都沿着与底基表面垂直的

轴方向一维高密度、单层有序排列。在激发波长为365nm时，该一维取向LTL分子筛荧光阵列发出鲜艳的红色荧光。

Abstract

LTL type zeolite crystals with regular morphology

high crystallinity and different aspect ratio were successfully synthesized by adjusting the composition of the synthesis gel. Then

the organolanthanide complexes were loaded inside of the zeolite LTL channels

denoted as zeolite LTL/Eu-TTA

by using the ship-in-bottle method. The luminescence spectra analysis results show that the zeolite LTL/Eu-TTA crystal with 0.2 aspect ratio has the strongest emission of

located at 617 nm

whereas the crystals with aspect ratio of 3 has the weakest one under the excitation of 350 nm. Finally

The fluorescent array extending to the centimeter scale was fabricated in an oriented way by rapid wiping the zeolite LTL/Eu-TTA crystals with 0.2 aspect ratio in 10 s on the surface of PEI coated glass substrate. SEM results prove that nearly all zeolite LTL crystals compact closely with their

-axial perpendicularly to the glass surface in a monolayer manner. This one-dimensional orientated fluorescent array can issue bright red light under the excitation of 365 nm.

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references

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