CN106397781A - 具有中心离子调节荧光发射性质的配位聚合物的制备方法 - Google Patents

具有中心离子调节荧光发射性质的配位聚合物的制备方法 Download PDF

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CN106397781A
CN106397781A CN201610807286.3A CN201610807286A CN106397781A CN 106397781 A CN106397781 A CN 106397781A CN 201610807286 A CN201610807286 A CN 201610807286A CN 106397781 A CN106397781 A CN 106397781A
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emission property
coordination complexes
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关磊
王莹
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Liaoning Shihua University
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    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
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Abstract

本发明涉及一种具有中心离子调节荧光发射性质的配位聚合物的制备方法,包括下述步骤:多种金属盐和氨基三亚甲基膦酸按摩尔比例为1‑1.5溶于去离子水中;使用0.1 M KOH溶液调节pH为3‑4,然后机械搅拌3‑5 h,将混合溶液封装在反应釜中,150‑180 °C加热5‑7 d,最后,冷却至室温,有块状晶体析出。本发明是利用含膦酸基配体,与五种廉价的金属盐形成结构相同的配合物,通过金属离子的变化,达到调控配合物的荧光性质的目的,实现荧光发射性质的可控性。本发明中的配合物热稳定性良好,可以达到200 ℃左右仅失去配位水分子,而配合物的结构不被破坏。同时,通过改变金属离子调控配合物的荧光性质。

Description

具有中心离子调节荧光发射性质的配位聚合物的制备方法
技术领域
本发明涉及一种配位聚合物,尤其涉及一种具有中心离子调节荧光发射性质的配位聚合物的制备方法。
背景技术
现有研究配合物的荧光发射性质主要集中在增加配合物的共轭体系来改变配合物的电荷转移,从而改变荧光性质。研究的重点只是单个配合物的荧光性质。其荧光发射机理包括,金属-配体电荷转移,配体间的电荷转移等。其研究时选择的金属离子多以稀土元素为主。
现有的荧光材料种类繁多,包括(1)含氮杂环和芳香环等共轭有机化合物,该类化合物的合成步骤较多,合成费用不菲;(2)含共轭芳香环的配合物。但是,对于这些荧光材料的荧光发射性质的影响因素以及调控因素研究的很少。
发明内容
本发明的目的是建立基于配合物荧光性质的一种通过金属离子的不同来调节配合物的荧
光发射性质。拓展调节配合物荧光发射性质的影响因素。
本发明的技术方案如下:
配合物的制备:多种金属盐和氨基三亚甲基膦酸按摩尔比例为1:1-1.5溶于去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌3-5 h,将混合溶液封装在反应釜中,150-180 °C加热5-7 d,最后,冷却至室温,有块状晶体析出。
配合物的制备:多种金属盐和氨基三亚甲基膦酸按摩尔比例为1:1溶于去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌3 h,将混合溶液封装在18 mL反应釜中,150 °C加热7 d,最后,冷却至室温,有块状晶体析出。
所述的金属盐包括MgCl2、MnCl2、CoCl2、ZnCl2和CdCl2五种。
所述的金属盐与去离子水的用量比例为,1mmol的金属盐溶于10ml去离子水中。
本发明与现有技术相比所具有的优点及效果:
本发明是利用含膦酸基配体,与五种廉价的金属盐形成结构相同的配合物,通过金属离子
的变化,达到调控配合物的荧光性质的目的,实现荧光发射性质的可控性。本发明中的配合物热稳定性良好,可以达到200 ℃左右仅失去配位水分子,而配合物的结构不被破坏。同时,通过改变金属离子调控配合物的荧光性质。表征结果表明,该方法制备得到的配合物可以通过金属离子的改变进而调节配合物的荧光发射性质,目的是通过简单地手段来调节配合物的荧光性质。
附图说明
图1为配合物的分子结构示意图。
图2为配合物1-5的热重曲线示意图。
图3为室温下,配合物1-5与配体的固态荧光发射谱图(L: 配体)。
具体实施方式
实施例1
配合物的制备:金属盐(MgCl2 (1), MnCl2 (2), CoCl2 (3), ZnCl2 (4)和CdCl2 (5))和氨基三亚
甲基膦酸按摩尔比例为1:1溶于去离子水中,金属盐与去离子水的用量比例为,1mmol的金属盐溶于10ml去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌3 h,将混合溶液封装在18 mL反应釜中,150 °C加热7 d,最后,冷却至室温,有块状晶体析出。产率分别为73% (1),63% (2),83% (3),81% (4)和70% (5)。
由附图可知,配体的荧光发射峰在398 nm,发射带为320-650 nm。配合物1-5均显示出两
个较强的发射峰,分别为448/472,417/441,413/435,418/434和417/435 nm。荧光发射带分别为414-650 (1),383-650 nm (2-5)。与配体相比,配合物1-5的荧光发射峰均发生了红移。分别红移了74,43,37,36和37 nm。红移幅度是 1 > 2 > 3, 和4 ≈ 5。与配体相比,配合物1-5的荧光发射带缩短了94,63,63 (1-3)和63 nm (4-5),缩短幅度是1 > 2 = 3,4= 5。对于荧光发射强度,配合物1-3有所减弱,配合物4和5有所增强。
与其他荧光材料相比,本发明的配合物材料具有以下几个突出的特点:(1)具有良好的热
稳定性,可以200 ℃左右仅失去溶剂分子,配合物结构没有被破坏;(2)其配合物的荧光发射性质可以通过改变中心金属离子加以调控;(3)配合物1-5的荧光发射效果改变明显,包括荧光发射带,强度以及发射波长;(4)该配合物的合成方法简单,合成步骤少,合成成本便宜,所用原料廉价。
实施例2
配合物的制备:金属盐(MgCl2 (1), MnCl2 (2), CoCl2 (3), ZnCl2 (4) and CdCl2(5))和氨基三亚甲基膦酸按摩尔比例为1:1.5溶于去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌5 h,将混合溶液封装在反应釜中,180 °C加热5 d,最后,冷却至室温,有块状晶体析出。
实施例3
配合物的制备:金属盐(MgCl2 (1), MnCl2 (2), CoCl2 (3), ZnCl2 (4)和CdCl2 (5))和氨基三亚甲基膦酸按摩尔比例为1:1.2溶于去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌4 h,将混合溶液封装在反应釜中,160 °C加热6 d,最后,冷却至室温,有块状晶体析出。

Claims (4)

1.一种具有中心离子调节荧光发射性质的配位聚合物的制备方法,其特征在于包括下述步骤:多种金属盐和氨基三亚甲基膦酸按摩尔比例为1:1-1.5溶于去离子水中;使用0.1M KOH溶液调节pH为3-4,然后机械搅拌3-5 h,将混合溶液封装在反应釜中,150-180 °C加热5-7 d,最后,冷却至室温,有块状晶体析出。
2.根据权利要求1所述的具有中心离子调节荧光发射性质的配位聚合物的制备方法,其特征在于优选参数为,多种金属盐和氨基三亚甲基膦酸按摩尔比例为1:1溶于去离子水中;使用0.1 M KOH溶液调节pH为3-4,然后机械搅拌3 h,将混合溶液封装在18 mL反应釜中,150 °C加热7 d,最后,冷却至室温,有块状晶体析出。
3.根据权利要求1或2所述的具有中心离子调节荧光发射性质的配位聚合物的制备方法,其特征在于所述的金属盐包括MgCl2、MnCl2、CoCl2、ZnCl2和CdCl2五种。
4.根据权利要求1或2所述的具有中心离子调节荧光发射性质的配位聚合物的制备方法,其特征在于所述的金属盐与去离子水的用量比例为,1mmol的金属盐溶于10ml去离子水中。
CN201610807286.3A 2016-09-07 2016-09-07 具有中心离子调节荧光发射性质的配位聚合物的制备方法 Pending CN106397781A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106543453A (zh) * 2016-10-26 2017-03-29 辽宁石油化工大学 一种链状超低温磁学配位聚合物材料的制备方法

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CN1617900A (zh) * 2001-11-26 2005-05-18 纳幕尔杜邦公司 聚合物型含磷组合物及其在氢氰化、异构化和加氢甲酰基化反应中的用途
CN101036873A (zh) * 2007-01-23 2007-09-19 南开大学 有机膦酸过渡金属盐分级孔材料的制备方法与应用
CN105101948A (zh) * 2013-04-18 2015-11-25 宝洁公司 包含吡啶硫酮锌和金属-膦酸盐络合物的个人护理组合物

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CN1206358A (zh) * 1995-12-29 1999-01-27 罗狄亚纤维与树脂中间体公司 过渡金属和膦基催化剂的电化学制备方法
CN1617900A (zh) * 2001-11-26 2005-05-18 纳幕尔杜邦公司 聚合物型含磷组合物及其在氢氰化、异构化和加氢甲酰基化反应中的用途
CN101036873A (zh) * 2007-01-23 2007-09-19 南开大学 有机膦酸过渡金属盐分级孔材料的制备方法与应用
CN105101948A (zh) * 2013-04-18 2015-11-25 宝洁公司 包含吡啶硫酮锌和金属-膦酸盐络合物的个人护理组合物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106543453A (zh) * 2016-10-26 2017-03-29 辽宁石油化工大学 一种链状超低温磁学配位聚合物材料的制备方法

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