Prof. Dr.

Prof. Dr. A. ÇİĞDEM ERÇELEBİ • Prof. Dr. : 2009- METU Solar Energy Research and Application Center, GÜNAM • Prof. Dr. : 1998- METU, Faculty of Arts and Sciences, Physics Department • Assoc. Prof. Dr.: 1990-1998 METU, Faculty of Arts and Sciences, Physics Department • Asist. Prof. Dr.: 1988-1990 METU, Faculty of Arts and Sciences, Physics Department • Instructor (Dr.): 1985-1988 METU, Faculty of Arts and Sciences, Physics Department • Instructor : 1982-1985 METU, Faculty of Arts and Sciences, Physics Department • Research Asist.: 1976-1982 METU, Faculty of Arts and Sciences, Physics Department • Ph.D.1985 January Middle East Technical University, METU, Faculty of Arts and Sciences, Physics • MSc. 1979 Middle East Technical University, METU, Faculty of Arts and Sciences, Physics • B.S. 1976 Middle East Technical University, METU, Faculty of Arts and Sciences, Physics ADMINISTRATIVE DUTIES: • Vice President, 2008-2016, METU • Director of Central Research Laboratory 2004-2008 METU  Advanced Material Characterization  Molecular Biology- Biotechnology Centers • Member of University Administrative Board 1998-2002 METU • Member of Faculty Administrative Board 1997-1998 METU • Assistant to Chairperson, Physics Department 1997-2000 METU RESEARCH AREA and RESEARCH INTERESTS: Condensed Matter Physics Solid State Physics, Physics of Semiconductors, Micro/Nanotechnology, Nanomaterials, Thin Films • Semiconducting Thin Film Materials for Photovoltaic Device Applications • Solar Cell Structures and Applications (Heterojunctions, Schootky Structures, ETA-Extremely Thin Absorber Layer Solar Cells). • Deposition (by different growth techniques) and electrical, optical and structural characterization of II-VI semiconducting thin films (CdTe, CdS, InSe, CuIn (Ga)Se(S) ) and optimization of material properties for the efficient solar cell applications. • Production and study of optical, electrical and device properties of the thin film heterojunction solar cells. • Application of a variety of experimental characterization techniques to thin film materials and device structures.