Issue 5, 2020

Fine-tuning of two-dimensional metal–organic nanostructures via alkali–pyridyl coordination

Abstract

Herein, we report a fine-tuning of the two-dimensional alkali–pyridyl coordination assemblies facilely realized by surface reaction between tetrapyridyl-porphyrin molecules and alkali halides on Ag(111) under a solventless ultrahigh vacuum condition. High-resolution scanning tunneling topography and X-ray photoelectron spectra reveal the formation of alkali–pyridyl coordination and the induced conformational tuning of the porphyrin macrocycle cores. Furthermore, employing other different alkali halide substitutes, we demonstrate a fine-tuning of the metal–organic nanostructures at the sub-Å scale. Postdeposition of Fe onto the as-formed precursor layer yields a two-dimensional bimetallic framework structure, manifesting a functionalization of the metal–organic interfaces.

Graphical abstract: Fine-tuning of two-dimensional metal–organic nanostructures via alkali–pyridyl coordination

Supplementary files

Article information

Article type
Paper
Submitted
02 Feb 2020
Accepted
06 Apr 2020
First published
08 Apr 2020
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2020,2, 2170-2176

Fine-tuning of two-dimensional metal–organic nanostructures via alkali–pyridyl coordination

K. Zhou, H. Liang, M. Wang, S. Xing, H. Ding, Y. Song, Y. Wang, Q. Xu, J. He, J. Zhu, W. Zhao, Y. Ma and Z. Shi, Nanoscale Adv., 2020, 2, 2170 DOI: 10.1039/D0NA00091D

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