updated April 2010

Name:

 

Gnel Stepanyan

Title:

Sci. worker of Center of Semiconductor Devices & Nanotechnologies, Yerevan State University, Armenia

Telephone/Fax:

+374 10 636334

E-mail:

sgohar@ysu.am

Graduate:

Dept. of Radiophysic, Yerevan State University, Armenia,

Physics of Semiconductors and Insulators, 1971

Main Research Interests:

 

Physics and photoelectrochemistry of semiconductors and semiconductor devices, solar cells

Subsidiary Research Interests:

High temperature superconductivity, chemical sensors

Research Experience:

Governmental grant of Ministry of Science and Education of Armenia

ISTC grant A-1484

Main Publications (overall number-41, international publications-20):

1.      V. M. Arutyunyan, A. G. Sarkisyan, Zh. R. Panosyan, G. E. Shakhnazaryan, G. M. Stepanyan, Photoelectrolysis of water by electrodes based on Fe2O3, Journal of Contemporary Physics, v. 18, N1, pp. 39-47 (1983).

2.      A. G. Sarkisyan, V. M. Arutyunyan, G. M. Stepanyan, A. A. Pogosyan, E. A. Khachaturyan, Investigation of ceramic photoanodes made from chromium-doped rutile, Russian Journal of Electrochemistry, v. 21, N2, pp. 238-242 (1985).

3.      V. M. Aroutiounian, V. M. Arakelyan, A. G. Sarkissyan, G. E. Shahnazaryan, G. M. Stepanyan, J. A. Turner, Photoelectrochemical characteristics of Fe2O3 photoelectrodes doped with elements of forth group, Russian Journal of Electrochemistry, v. 35, N8, pp. 963-968 (1999).

4.    V. M. Aroutiounian, V. M. Arakelyan, G. E. Shahnazaryan, G. M. Stepanyan, J. A. Turner, S. S. Kocha, Investigations of the Fe1.99Ti0.01O3-electrolyte interface, Electrochimica Acta, v. 45, pp. 1999-2005 (2000).

5.    V. M. Aroutiounian, V. M. Arakelyan, G. E. Shahnazaryan, G. M. Stepanyan, J. A. Turner, O. Khaselev, Investigation of ceramic Fe2O3<Ta> photoelectrodes for solar energy photoelectrochemical conversion, International Journal of Hydrogen Energy, v. 27, pp. 33-38 (2002).

6.    V. M. Aroutiounian, V. M. Arakelyan, G. E. Shahnazaryan, G. M. Stepanyan, J. A. Turner, O. Khaselev, Investigations of ceramic photoelectrodes from Fe2O3 doped with niobium, Advances in Science and Technology, v. 33, part D, pp. 425-434 (2003).

7.      V. M. Aroutiounian, V. M. Arakelyan, G. E. Shahnazaryan, G. M. Stepanyan, E. A. Khachaturyan, H. Wang, J. A.Turner, Photoelectrochemistry of semiconductor electrodes made of solid solutions in the system Fe2O3-Nb2O5, Solar Energy, v. 80, N9, pp. 1098-1111 (2006).

Recent Publications:

1.          V. M. Aroutiounian, V. M. Arakelyan, G. E. Shahnazaryan, G. M. Stepanyan, E. A. Khachaturyan, J. A. Turner, Investigations of the structure of the iron oxide semiconductor-electrolyte interface, C. R. Chimie, v. 9, pp. 325-331 (2006).

2.          V. M. Arakelyan, V. M. Aroutiounian, G. E. Shahnazaryan, G. M. Stepanyan, H. R. Hovhannisyan, Photoelectrochemical production of hydrogen using metal oxide semiconductor photoelectrodes, International Scientific Journal for Alternative Energy and Ecology (ISJAEE), N 11(43), pp. 77-83 (2006).

3.          V. Arakelyan, G. Shahnazaryan, E. Khachaturyan, G. Stepanyan,  Manufacture and invegastigations of anodized titanium oxide photoanodes, Armenian Journal of Physics, v. 1, N1, pp. 43-46 (2008).

4.          V. Aroutiounian, V. Arakelyan, G. Shahnazaryan, E. Khachaturyan, G. Stepanyan, Manufacture and investigation of nanoporous titanium oxide photoelectrodes, Extended Abstracts of 6th Conf. “Porous Semiconductors-Science and Technology”, Sa Coma-Mallorca, Spain, pp. 234-235 (2008).

5.          V. Aroutiounian, V. Arakelyan, G. Shahnazaryan, E. Khachaturyan, G. Stepanyan, Manufacture and investigation of nanoporous titanium oxide photoelectrodes, Phys. Status Solidi C, v. 6, N7, pp. 1782-1785 (2009).