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Updated: Sep 25, 2025

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
Published on: May 9, 2014
Smooth and large scale organometallic complex film by vapor-phase ligand exchange reaction
Myeonggeun Choe1, Soyoung Kim1, Hee Cheul Choi1
1Department of Chemistry, Pohang University of Science and Technology (POSTECH) 77 Cheongam-ro, Nam-gu Pohang-si 37673 Korea choihc@postech.edu.
Abstract:
A simple and reliable method for the formation of smooth and large-scale organometallic complex thin films was developed. We applied chemical vapor deposition (CVD) for this. From the vapor-phase reaction of Mo(CO)6 and 2,2'-bipyridine, large-scale and highly smooth Mo(CO)4(2,2'-bipy) films were obtained. Regardless of the thickness, they show a high smoothness and stability in ambient conditions. Chemical structure and composition of the resulting film were confirmed by 1H-NMR, Raman, FT-IR spectroscopy and elemental analyses. Smooth and uniform surface of the resulting films was characterized using AFM. We believe that our method will provide great opportunities for the fundamental studies of traditional organometallic complexes and their applications by taking advantages of thin film geometry.
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