Dr. Tsvetelina Merdzhanova

Berufserfahrung von Tsvetelina Merdzhanova

• Bis heute 11 Jahre und 6 Monate, seit Jan. 2013

  Group leader / Device development

  Forschungszentrum Jülich GmbH

  Device development group at Institute of Energy and Climat Research (IEK-5 Photovotaics) is working on development of high efficeincy thin-film silicon multi-junction solar cell devices. Study of doped silicon oxygen alloys and their integration as functional elements in devices (intermediate and back reflectors).

• 3 Jahre und 5 Monate, Aug. 2009 - Dez. 2012

  Senior scientist / project manager

  Forschungszentrum Jülich GmbH

  Institute of Energy and Climate Research (IEK-5 Photovoltaics) Working on investigation atmospheric contaminants and their effect on the thin-film silicon (a-Si:H and µc-Si:H) solar cell quality and development of large-area (40 x 40 cm2) single - chamber PECVD process for deposition of a-Si:H, µc-Si:H and a-Si:H/µc-Si:H tandem solar cells

• 2 Jahre und 7 Monate, Jan. 2007 - Juli 2009

  Senior scientist

  Malibu GmbH & Co. KG.

  Working on the development of a-Si:H and µc-Si:H solar cells at high base pressure conditions with reduced atmospheric contaminants. Working on the cooperation project between Malibu GmbH & Co. KG and Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research

• 1 Jahr und 6 Monate, Juli 2005 - Dez. 2006

  Research scientist

  Max-Planck Institute for Solid State Research

  Molecular Beam Epitaxy Scientific group Working on the epitaxial growth and characterization of ordered SiGe/Si(001) islands arrays for quantum dot field effect transistor application

• 1 Jahr und 3 Monate, Apr. 2004 - Juni 2005

  Research scientist

  Forschungszentrum Jülich GmbH

  Institute of Photovoltaics (IPV) Working on the development and optical characterization of µc-SiC:H thin films for optoelectronic and photovoltaic applications and development of µc-Si:H seed layer for thin film solar cell application

• 3 Jahre und 1 Monat, März 2001 - März 2004

  PhD Student

  Forschungszentrum Jülich GmbH

  Institute of Photovoltaics (IPV) working on microcrystalline silicon films and solar cells investigated by photoluminescence spectroscopy

• 1 Jahr und 6 Monate, Sep. 1999 - Feb. 2001

  Research physicists

  Bulgarian Academy of Sciences

  Research physicists at the Central Laboratory for Solar Energy and New Energy Sources Working in the field of rf-magnetron sputtering and IR characterization of amorphous silicon and metal silicides based semiconductor materials