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铽（III）一维配位聚合物在云母上的自组装。

Self-assembly of a terbium(III) 1D coordination polymer on mica.

作者信息

Evrard Quentin, Cucinotta Giuseppe, Houard Felix, Calvez Guillaume, Suffren Yan, Daiguebonne Carole, Guillou Olivier, Caneschi Andrea, Mannini Matteo, Bernot Kevin

机构信息

Université de Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France.

Laboratory for Molecular Magnetism (LA.M.M.), Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, INSTM Research Unit of Firenze, Via della Lastruccia n. 3-13, Sesto Fiorentino (FI) I-50019, Italy.

出版信息

Beilstein J Nanotechnol. 2019 Dec 10;10:2440-2448. doi: 10.3762/bjnano.10.234. eCollection 2019.

DOI:10.3762/bjnano.10.234
PMID:31921522
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6941415/
Abstract

The terbium(III) ion is a particularly suitable candidate for the creation of surface-based magnetic and luminescent devices. In the present work, we report the epitaxial growth of needle-like objects composed of [Tb(hfac)·2HO] (where hfac = hexafluoroacetylacetonate) polymeric units on muscovite mica, which is observed by atomic force microscopy. The needle-like shape mimics the structure observed in the crystalline bulk material. The growth of this molecular organization is assisted by water adsorption on the freshly air-cleaved muscovite mica. This deposition technique allows for the observation of a significant amount of nanochains grown along three preferential directions 60° apart from another. The magnetic properties and the luminescence of the nanochains can be detected without the need of surface-dedicated instrumentation. The intermediate value of the observed luminescence lifetime of the deposits (132 µs) compared to that of the bulk (375 µs) and the CHCl solution (13 µs) further reinforces the idea of water-induced growth.

摘要

铽（III）离子是制造基于表面的磁性和发光器件的特别合适的候选者。在本工作中，我们报道了由[Tb（hfac）·2HO]（其中hfac =六氟乙酰丙酮）聚合物单元组成的针状物体在白云母上的外延生长，这是通过原子力显微镜观察到的。针状形状模仿了在晶体块状材料中观察到的结构。这种分子组织的生长是由新鲜空气劈开的白云母上的水吸附辅助的。这种沉积技术允许观察到大量沿着彼此相隔60°的三个优先方向生长的纳米链。无需专门的表面仪器就可以检测纳米链的磁性和发光。与块状材料（375微秒）和CHCl溶液（13微秒）相比，观察到的沉积物发光寿命的中间值（132微秒）进一步强化了水诱导生长的观点。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/b4916014c54c/Beilstein_J_Nanotechnol-10-2440-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/57a34db00ca6/Beilstein_J_Nanotechnol-10-2440-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/cfb8f66ef159/Beilstein_J_Nanotechnol-10-2440-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/dc1c7493ae60/Beilstein_J_Nanotechnol-10-2440-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/538819dd4c81/Beilstein_J_Nanotechnol-10-2440-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/382f225b6ccf/Beilstein_J_Nanotechnol-10-2440-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/0a1e0d98817b/Beilstein_J_Nanotechnol-10-2440-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/b4916014c54c/Beilstein_J_Nanotechnol-10-2440-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/57a34db00ca6/Beilstein_J_Nanotechnol-10-2440-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/cfb8f66ef159/Beilstein_J_Nanotechnol-10-2440-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/dc1c7493ae60/Beilstein_J_Nanotechnol-10-2440-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/538819dd4c81/Beilstein_J_Nanotechnol-10-2440-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/382f225b6ccf/Beilstein_J_Nanotechnol-10-2440-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/0a1e0d98817b/Beilstein_J_Nanotechnol-10-2440-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7548/6941415/b4916014c54c/Beilstein_J_Nanotechnol-10-2440-g008.jpg

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