5 PhD Student Positions in Photovoltaics: Semiconductor Synthesis, Characterization, and Fabrication of Devices

Reference : MRT-2019-PACE-1

Type: PhD Student
Contract type: Fixed term contract
Duration: Up to 4 years
Place: Belval

Context

 

PACE (https://pace.uni.lu) is a competitive PhD training program for a total of 8 PhD candidates, supported by the research funding scheme PRIDE of the Luxembourg National Research Fund (FNR). The PACE doctoral training unit provides structured PhD training in advanced photovoltaic concepts for building highly efficient next generation solar cells. Our aim is to start all 8 students together, to form a cohor

The PACE program involves a close collaboration between the University of Luxembourg and the Luxembourg Institute of Science and Technology. Industrial visits and secondments are foreseen. The PACE program includes transferable skill training, support in career development, scientific lectures by international speakers and annual PhD retreats. The PhD candidates will be enrolled at the Doctoral School of Science and Engineering at the University of Luxembourg.

The research program focusses on tandem and micro solar cells, with 5 positions relating directly to these concepts. 2 positions are for advanced characterization of the material synthesized in the making of the solar cells. 1 further position is dedicated to understanding the defect physics of the used semiconductors.

 

Description

 

Candidates A and B will investigate micro-solar cells for high efficiency applications:

Candidate A will be responsible for the electrodeposition and annealing of thin film semiconductor layers to form individual micro-solar cells. The candidate will also be responsible for semiconductor layer and solar cell characterization. Prior experience of any of the following: electrochemistry, thermal annealing, structural, or opto-electronic characterization is advantageous. Email phillip.dale@uni.lu for more information.

Candidate B will work on inkjet printing of transparent conductive oxides (TCOs), with the aim to develop a low-cost process for fabrication of high-quality TCOs, which is compatible with micro-solar cells. The work will consist of synthesis of the inks, control of the jetting conditions and ink/substrate interaction, development of a low-temperature annealing process, as well as microstructural and opto-electrical characterization of the layers. Background in chemistry and prior experience on processing of materials are advantageous. Email emmanuel.defay@list.lu and sebastjan.glinsek@list.lu for more information.

Candidates C, D, and E will investigate multi-junction solar cells for high efficiency applications:

Candidate C will prepare and characterise low band gap Cu(InGa)Se2 solar cells suitable as bottom cells in tandem devices. The absorbers will be characterised by photoluminescence to fully use their potential. The cells will be electrically optimized for the illumination situation of a bottom cell. Email susanne.siebentritt@uni.lu for more information.

Candidate D will prepare polar oxide (ferroelectric) films by solution deposition to serve as a potential wide-bandgap top cell. The candidate will perform structural and electrical analysis of the films, measure the photovoltaic properties and separate bulk photovoltaic from interface-based effects. Attention will be paid to the influence of the ferroelectric domain structure on photovoltaic performance. Experience with dielectric and particularly ferroelectric materials is considered a strong asset. Email torsten.granzow@list.lu for more information.

Candidate E will investigate high performance transparent conducting materials as top electrode for the low band gap solar cell. The challenges will be to design materials combining appropriate band alignment, conductivity and transparency, as well as to develop a low-temperature vapor phase deposition compatible with the cell processing, potentially using a hybrid layer combining e.g. transparent conducting oxide and silver nanowires. Experience with transparent conducting materials is advantageous. Email renaud.leturcq@list.lu for more information.

 


Profile

  • The candidate should have or be finishing an excellent master in one of the following: chemistry, chemical engineering, crystallography, material science or solid state physics.
  • An excellent command of English is required.

 

Applications should include a motivation letter stating the choice of project (A, B, C, D or E), the contact details of 2 references, a full curriculum vitae and a copy of the relevant diplomas showing marks, and should be sent before 31st March 2019 using the following link. Uni Link : emea3.mrted.ly/23tfx

Please note that applications failing to contain the requested documents or which do not indicate the preferred PhD projects WILL NOT be considered.

 

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