Electron-induced chemistry of surface-grown coordination polymers with different linker anions

Ahlenhoff K, Koch S, Emmrich D, Dalpke R, Gölzhäuser A, Swiderek P (2019)
Physical Chemistry Chemical Physics 21(5): 2351-2364.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
Electron beam processing of surface-grown coordination polymers is a versatile approach to the fabrication of nanoscale surface structures. Depending on their molecular components, these materials can be converted into pure metallic particles or they can be activated to become a template for the spatially selective decomposition of suitable gaseous precursor molecules and subsequent autocatalytic growth of deposits. However, insight into the fundamental electron-induced chemistry for such processes has been scarce so far. Therefore, we investigated the electron-induced reactions of three self-assembled copper-containing materials, namely, copper(ii) oxalate, copper(ii) squarate, and copper(ii) 1,3,5-benzenetricarboxylate (HKUST-1) which were grown on the surface of self-assembled monolayers of mercaptoundecanoic acid in a layer-by-layer approach from copper(ii) acetate and various linker molecules. Changes incurred to these materials during electron irradiation were monitored by four complementary techniques. Reflection absorption infrared spectroscopy (RAIRS) and X-ray photoelectron spectroscopy (XPS) were used to identify the chemical species that are formed upon electron exposure. The temporal evolution of electron-stimulated desorption (ESD) of neutral volatile fragments was monitored to reveal the kinetics governing the decomposition of the different materials. Furthermore, the morphology was investigated by helium ion microscopy (HIM). A detailed analysis of the results for the different linker molecules provides new insights into the electron-induced chemistry of such surface-grown layers.
Erscheinungsjahr
Zeitschriftentitel
Physical Chemistry Chemical Physics
Band
21
Ausgabe
5
Seite(n)
2351-2364
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Ahlenhoff K, Koch S, Emmrich D, Dalpke R, Gölzhäuser A, Swiderek P. Electron-induced chemistry of surface-grown coordination polymers with different linker anions. Physical Chemistry Chemical Physics. 2019;21(5):2351-2364.
Ahlenhoff, K., Koch, S., Emmrich, D., Dalpke, R., Gölzhäuser, A., & Swiderek, P. (2019). Electron-induced chemistry of surface-grown coordination polymers with different linker anions. Physical Chemistry Chemical Physics, 21(5), 2351-2364. doi:10.1039/c8cp07028h
Ahlenhoff, K., Koch, S., Emmrich, D., Dalpke, R., Gölzhäuser, A., and Swiderek, P. (2019). Electron-induced chemistry of surface-grown coordination polymers with different linker anions. Physical Chemistry Chemical Physics 21, 2351-2364.
Ahlenhoff, K., et al., 2019. Electron-induced chemistry of surface-grown coordination polymers with different linker anions. Physical Chemistry Chemical Physics, 21(5), p 2351-2364.
K. Ahlenhoff, et al., “Electron-induced chemistry of surface-grown coordination polymers with different linker anions”, Physical Chemistry Chemical Physics, vol. 21, 2019, pp. 2351-2364.
Ahlenhoff, K., Koch, S., Emmrich, D., Dalpke, R., Gölzhäuser, A., Swiderek, P.: Electron-induced chemistry of surface-grown coordination polymers with different linker anions. Physical Chemistry Chemical Physics. 21, 2351-2364 (2019).
Ahlenhoff, Kai, Koch, Sascha, Emmrich, Daniel, Dalpke, Raphael, Gölzhäuser, Armin, and Swiderek, Petra. “Electron-induced chemistry of surface-grown coordination polymers with different linker anions”. Physical Chemistry Chemical Physics 21.5 (2019): 2351-2364.

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