Semiconductor Physics, Quantum Electronics & Optoelectronics, 21 (2), P. 206-210 (2018).
DOI: https://doi.org/10.15407/spqeo21.02.206

Vitamin B12-functionalized patterned Si surface for solar energy conversion
P.S. Smertenko1*, N.M. Roshchina1, D.A. Kuznetsova1, V.Z. Barsukov2, G. Wisz3

1V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, prospect Nauky, 03680 Kyiv, Ukraine
*E-mail: smertenko@isp.kiev.ua
2Kyiv National University of Technologies and Design, 2, Nemirovich-Danchenko str., 01011 Kyiv, Ukraine 3Rzeszow University, Poland

Abstract. Interaction between organic and inorganic materials is very actual both for understanding their nature and for some applications. One of directions in this area is functionalization and sensibilization of semiconductor surfaces by organic compounds for solar energy conversion. The main goal of this research is to demonstrate the possibility for immobilization of some photofunctional organic compounds on an inorganic silicon substrate at the room temperature. In particular, we have prepared a new B12–Si hybrid with the solar conversion efficiency up to Eff = 3.75% at the room temperature by chemical deposition of vitamin B12 on the patterned silicon substrate. Here, we report the correlation between morphology and functionality, as well as deposition mode for B12–Si hybrids.

Keywords: patterned Si, vitamin B12, functionalization, solar energy conversion.

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