دورية أكاديمية
Fluorescence-Responsive Detection of Ag(I), Al(III), and Cr(III) Ions Using Cd(II) Based Pillared-Layer Frameworks
العنوان: | Fluorescence-Responsive Detection of Ag(I), Al(III), and Cr(III) Ions Using Cd(II) Based Pillared-Layer Frameworks |
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المؤلفون: | Qi-Jin Jiang, Po-Min Chuang, Jing-Yun Wu |
المصدر: | International Journal of Molecular Sciences, Vol 24, Iss 1, p 369 (2022) |
بيانات النشر: | MDPI AG, 2022. |
سنة النشر: | 2022 |
المجموعة: | LCC:Biology (General) LCC:Chemistry |
مصطلحات موضوعية: | aluminum, chromium, fluorescence sensor, pillared-layer framework, silver, Biology (General), QH301-705.5, Chemistry, QD1-999 |
الوصف: | Two Cd(II) based coordination polymers, {Cd3(btc)2(BTD-bpy)2]∙1.5MeOH∙4H2O}n (1) and [Cd2(1,4-ndc)2(BTD-bpy)2]n (2), where BTD-bpy = bis(pyridin-4-yl)benzothiadiazole, btc = benzene-1,3,5-tricarboxylate, and 1,4-ndc = naphthalene-1,4-dicarboxylate, were hydro(solvo)thermally synthesized. Compound 1 has a three-dimensional non-interpenetrating pillared-bilayer open framework with sufficient free voids of 25.1%, which is simplified to show a topological (4,6,8)-connected net with the point symbol of (324256)(344454628)(3442619728). Compound 2 has a three-dimensional two-fold interpenetrating bipillared-layer condense framework regarded as a 6-connected primitive cubic (pcu) net topology. Compounds 1 and 2 both exhibited good water stability and high thermal stability approaching 350 °C. Upon excitation, compounds 1 and 2 both emitted blue light fluorescence at 471 and 479 nm, respectively, in solid state and at 457 and 446 nm, respectively, in the suspension phase of H2O. Moreover, compounds 1 and 2 in the suspension phase of H2O both exhibited a fluorescence quenching effect in sensing Ag+, attributed to framework collapse, and a fluorescence enhancement response in sensing Al3+ and Cr3+, ascribed to weak ion–framework interactions, with high selectivity and sensitivity and low detection limit. |
نوع الوثيقة: | article |
وصف الملف: | electronic resource |
اللغة: | English |
تدمد: | 1422-0067 1661-6596 |
Relation: | https://www.mdpi.com/1422-0067/24/1/369; https://doaj.org/toc/1661-6596; https://doaj.org/toc/1422-0067 |
DOI: | 10.3390/ijms24010369 |
URL الوصول: | https://doaj.org/article/0cbd9198c10e4fc3b656a1a3a2ac7533 |
رقم الأكسشن: | edsdoj.0cbd9198c10e4fc3b656a1a3a2ac7533 |
قاعدة البيانات: | Directory of Open Access Journals |
تدمد: | 14220067 16616596 |
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DOI: | 10.3390/ijms24010369 |