Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition

Klimova S, Sreij R, Bratashov D, Bookhold J, Teichert N, Gorobets AS, Hellweg T (2018)
COLLOID AND POLYMER SCIENCE 296(4): 771-780.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
The formation of lead arachidate (Pb(AA)(2)) coatings produced by Langmuir tensiometry (LT) was studied in dependence of lead nitrate (Pb(NO3)(2)) concentration in the aqueous subphase at pH 5.5. The stable Pb(AA)(2) monolayers were transferred to Si wafers and TEM grids at 35 mN/m in the liquid condensed phase of the AA monolayer applying the Langmuir-Blodgett (LB) (ten monolayers) or the Langmuir-Schaefer (LS) technique, respectively. The most homogeneous monolayer was obtained at a Pb(NO3)(2) concentration of 0.1 mM by using the LS method. Most homogeneous films (five bilayers) were obtained for a Pb(NO3)(2) concentration of 0.01 mM by using the LB method. The formed films are investigated by transmission electron microscopy (monolayer produced by LS), X-ray reflectivity (XRR), and atomic force microscopy (films produced by LB). These methods revealed the formation of homogeneously distributed lead inclusions in the formed monolayers and films. Pb aggregates increase in number whereas their average size stays constant at ae 50 nm(2) with increasing Pb(NO3)(2) concentration. Thickness parameters were determined by XRR. With increasing Pb(NO3)(2) concentration, the bilayer thickness was found to increase. Furthermore, the patterns (111) and (200) for a cubic lead structure were found. The experimental results are compared with simulations obtained from geometry optimization on a semi-empirical quantum level to discuss the lead-ion binding to the AA molecules at pH 5.5.
Stichworte
Lead arachidate coatings; Lead inclusions; Langmuir-Blodgett; SEM; AFM; XRR; AES; XRD
Erscheinungsjahr
2018
Zeitschriftentitel
COLLOID AND POLYMER SCIENCE
Band
296
Ausgabe
4
Seite(n)
771-780
ISSN
0303-402X
eISSN
1435-1536
Page URI
https://pub.uni-bielefeld.de/record/2919048

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Klimova S, Sreij R, Bratashov D, et al. Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition. COLLOID AND POLYMER SCIENCE. 2018;296(4):771-780.
Klimova, S., Sreij, R., Bratashov, D., Bookhold, J., Teichert, N., Gorobets, A. S., & Hellweg, T. (2018). Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition. COLLOID AND POLYMER SCIENCE, 296(4), 771-780. doi:10.1007/s00396-018-4288-9
Klimova, Svetlana, Sreij, Ramsia, Bratashov, Daniil, Bookhold, Johannes, Teichert, Niclas, Gorobets, Anna S., and Hellweg, Thomas. 2018. “Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition”. COLLOID AND POLYMER SCIENCE 296 (4): 771-780.
Klimova, S., Sreij, R., Bratashov, D., Bookhold, J., Teichert, N., Gorobets, A. S., and Hellweg, T. (2018). Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition. COLLOID AND POLYMER SCIENCE 296, 771-780.
Klimova, S., et al., 2018. Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition. COLLOID AND POLYMER SCIENCE, 296(4), p 771-780.
S. Klimova, et al., “Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition”, COLLOID AND POLYMER SCIENCE, vol. 296, 2018, pp. 771-780.
Klimova, S., Sreij, R., Bratashov, D., Bookhold, J., Teichert, N., Gorobets, A.S., Hellweg, T.: Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition. COLLOID AND POLYMER SCIENCE. 296, 771-780 (2018).
Klimova, Svetlana, Sreij, Ramsia, Bratashov, Daniil, Bookhold, Johannes, Teichert, Niclas, Gorobets, Anna S., and Hellweg, Thomas. “Pb arachidate Langmuir-Blodgett coatings of silicon wafers: relation between Pb particle density and subphase composition”. COLLOID AND POLYMER SCIENCE 296.4 (2018): 771-780.
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