CN112961370A - 一种荧光双金属有机jlue-mog-7气凝胶材料的制备方法 - Google Patents
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Abstract
一种荧光双金属有机JLUE‑MOG‑7气凝胶材料的制备方法，称取Fe(NO3)3·9H2O和Eu(NO3)3·6H2O溶于乙醇溶剂中，得到浓度为0.268mol/L的A溶液。称取TATB溶于二甲基亚砜溶剂，得到浓度是0.071mol/L的B溶液。按照体积比为1：5的比例将A、B溶液混合，并在超声条件下超声均匀20s，放置120度烘箱中反应24小时。将步骤三得到的荧光双金属有机JLUE‑MOG‑7材料置于透析袋内，以蒸馏水做为透析液，除去有机溶剂，5‑7天后，透析袋内出现明显分层后取出，得到获取物。将得到的获取物倒入烧杯中冷冻，随后进行冷冻干燥，得到荧光双金属有机JLUE‑MOG‑7气凝胶材料。所制得的荧光双金属有机JLUE‑MOG‑7气凝胶材料具有较大的比表面积、多元化的孔隙结构、丰富的活性位点和优异的荧光响应能力。
Description
技术领域
本发明属于纳米材料与环境材料制备领域，涉及一种荧光双金属有机JLUE-MOG-7气凝胶材料的制备方法。
背景技术
金属有机凝胶(Metal–Organic gels,MOGs)是一类新型的含有金属离子或金属簇以及有机配体的分级多孔功能化的软材料。由于其具有高比表面积、可调孔隙度、柔韧性和大量的开放活性位点，使得他们在光学、磁学、气体储存、吸附和催化等领域已经明确地展示了其惊人魅力。其中，双金属有机凝胶材料不仅具有上述特征，而且具有更大的比表面积，有助于水体内污染物的捕获。此外，稀土元素具有丰富的结合位点和独特的光学特性，可以与污染物大量结合并在固定波长的激发下发射荧光使其在污染物捕获过程中进行实时的荧光响应。
气凝胶材料是一类空间网状结构的固态粉末状材料，其可以通过冷冻干燥、超临界干燥和室温干燥的方法使得胶体内部孔道里的溶剂分子液化变为气体制得。MOGs气凝胶材料具备MOFs材料的三维立体网状结构、良好的吸附性、丰富的活性位点和强催化性能外，还具有分级多孔的材料结构特征，可以适用于处理不同分子大小的污染物，比MOFs材料在传质、吸附和催化过程应用中更具备广泛性。
发明内容
本发明的目的在于提供一种步骤简单，操作方便的荧光双金属有机JLUE-MOG-7气凝胶材料的制备方法，所制得的荧光双金属有机JLUE-MOG-7气凝胶材料具有较大的比表面积、多元化的孔隙结构、丰富的活性位点和优异的荧光响应能力。
一种荧光双金属有机JLUE-MOG-7气凝胶材料的制备方法，包括如下步骤：
步骤一：称取Fe(NO3)3·9H2O和Eu(NO3)3·6H2O溶于乙醇溶剂中，超声条件使其同时充分溶解，保持其浓度在该混合溶液中均为0.268mol/L，该混合溶液命名为A溶液。
步骤二：称取TATB溶于二甲基亚砜溶剂，超声条件使其充分溶解，制得浓度是0.071mol/L的溶液，命名为B溶液。
步骤三：按照体积比为1：5的比例将A、B溶液混合，并在超声条件下超声均匀20s，放置120度烘箱中反应24小时。
步骤四：将步骤三得到的荧光双金属有机JLUE-MOG-7材料置于透析袋内，以蒸馏水做为透析液，除去有机溶剂，5-7天后，透析袋内出现明显分层后取出，得到获取物。
步骤五：将步骤四得到的获取物倒入烧杯中冷冻，随后进行冷冻干燥，得到荧光双金属有机JLUE-MOG-7气凝胶材料。
本发明的有益效果：
本发明需要的外部条件简便易实现，省去了多余的外部条件控制操作，因此简化了气凝胶材料的合成过程，步骤简单，操作方便。
从图1、图2和图3中可以得出，本发明合成出来的荧光双金属有机JLUE-MOG-7气凝胶材料具有以下优势：
1、大的比表面积，分级多孔结构；
2、具有众多开放的活性位点；
3、具有荧光响应特性。案例结果表明：本发明的荧光双金属有机JLUE-MOG-7气凝胶材料合成方法简单，合成出来的荧光双金属有机JLUE-MOG-7气凝胶材料具有较大的比表面积、多元化的孔隙结构、丰富的活性位点和优异的荧光响应能力。
附图说明
图1是本发明的荧光双金属有机JLUE-MOG-7气凝胶材料的BET图。
图2是本发明的荧光双金属有机JLUE-MOG-7气凝胶材料的红外光谱图。
图3是本发明的荧光双金属有机JLUE-MOG-7气凝胶材料的热重谱图。
具体实施方式
一种荧光双金属有机JLUE-MOG-7气凝胶材料的制备方法，包括如下步骤：
步骤一：把0.1082g Fe(NO3)3·9H2O和0.1194g Eu(NO3)3·6H2O共同溶于乙醇溶剂中，超声条件使其充分溶解，保持其在混合溶液中的浓度均为0.268mol/L，该混合溶液命名为A溶液。
步骤二：称取0.1576g TATB溶于二甲基亚砜溶剂中，超声条件使其充分溶解，制得0.071mol/L的溶液，命名为B溶液。
步骤三：按照体积比为1:5的比例将A、B溶液混合，并在超声条件下超声均匀20s，放置120度烘箱中反应24小时。
步骤四：将反应得到的荧光双金属有机JLUE-MOG-7水凝胶材料放入截留分子量为8000-14000的透析袋中，以蒸馏水作为透析液，除去有机溶剂，5-7天后，透析袋内出现明显分层后取出，得到获取物。
步骤五：将步骤四得到的获取物倒入烧杯中冷冻，随后进行冷冻干燥，得到荧光双金属有机JLUE-MOG-7气凝胶材料。
Claims (1)
1.一种荧光双金属有机JLUE-MOG-7气凝胶材料的制备方法，其特征在于：包括如下步骤：
步骤一：称取Fe(NO3)3·9H2O和Eu(NO3)3·6H2O溶于乙醇溶剂中，超声条件使其同时充分溶解，保持其浓度在该混合溶液中均为0.268mol/L，该混合溶液命名为A溶液；
步骤二：称取TATB溶于二甲基亚砜溶剂，超声条件使其充分溶解，制得浓度是0.071mol/L的溶液，命名为B溶液；
步骤三：按照体积比为1：5的比例将A、B溶液混合，并在超声条件下超声均匀20s，放置120度烘箱中反应24小时；
步骤四：将步骤三得到的荧光双金属有机JLUE-MOG-7材料置于透析袋内，以蒸馏水做为透析液，除去有机溶剂，5-7天后，透析袋内出现明显分层后取出，得到获取物；
步骤五：将步骤四得到的获取物倒入烧杯中冷冻，随后进行冷冻干燥，得到荧光双金属有机JLUE-MOG-7气凝胶材料。
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| CN115772270A (zh) * | 2022-11-30 | 2023-03-10 | 陕西科技大学 | 一种Al/Eu-MOG荧光薄板材料及制备方法 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114486838A (zh) * | 2022-02-18 | 2022-05-13 | 吉林大学 | 一种四环素类抗生素的检测方法 |
| CN114486838B (zh) * | 2022-02-18 | 2024-03-15 | 吉林大学 | 一种四环素类抗生素的检测方法 |
| CN115304783A (zh) * | 2022-08-27 | 2022-11-08 | 吉林大学 | 一种荧光Eu-MOG材料的室温制备方法及应用 |
| CN115304783B (zh) * | 2022-08-27 | 2023-07-25 | 吉林大学 | 一种荧光Eu-MOG材料的室温制备方法及应用 |
| CN115772270A (zh) * | 2022-11-30 | 2023-03-10 | 陕西科技大学 | 一种Al/Eu-MOG荧光薄板材料及制备方法 |
| CN115772270B (zh) * | 2022-11-30 | 2023-08-22 | 陕西科技大学 | 一种Al/Eu-MOG荧光薄板材料及制备方法 |
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