Ph.D. student for thermoelectric modules


Do you want to help develop innovative and environmentally friendly energy technologies for the future?

Thermoelectric materials can convert heat directly into electricity without moving parts. A thermoelectric module (TE) consists of at least two different materials. A major part of the losses in such modules is associated with the contacts and interfaces between the materials.

DTU Energy Conversion, the Section for Electro-Functional Materials, is now seeking a motivated Ph.D student to study the evolution of contacts and interfaces in thermoelectric modules.

Job description

You will be part of a large national project on “Center for Thermoelectric Energy Conversion” with partners from both universities and industry. The successful candidate will have the opportunity to work also closely with TEGnology A/S, a dynamic and active company which develops thermoelectric generators for medium range temperature applications.

In this project, the PhD will identify and measure the contact resistances of TE legs and electrodes over extended periods of time under different atmospheres. The kinetics of the interface will be studied by imaging and analytical techniques. Different possible contact materials e.g. metals or alloys, as well as joining methods will be considered and investigated in order to further minimize the internal resistances of the modules to maximize the power output. The results of the contact resistance measurements will be incorporated with numerical modeling to identify the possible ways to improve the module performance.


  • Master’s degree in chemistry, physics, materials science or similar
  • Good knowledge of solid state physics and thermodynamics
  • Experience with experimental methods for materials processing and characterization
  • Preferably familiarity with  multi-physics programs for simulations,  e.g. COMSOL
  • Ability to work independently, to plan and carry out complicated tasks, and to be a part of a large, dynamical group
  • Good communication skills in English, both written and spoken

Approval and Enrolment
The scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.

We offer

We offer an exciting and challenging job in an international environment.

Good possibilities for professional and personal growth.

A family friendly organisation with flexible working hours.

Terms of employment

The salary and appointment terms will be based on the collective agreement with the Confederation of Professional Associations (AC). Salary will depend on qualifications and experience.

The position is for a fixed duration of 3 years.

The place of work will be at the Department of Energy Conversion and Storage, DTU Risø Campus, Roskilde, Denmark.


We must have your online application by 15 June 2014.

Applications must be submitted as one pdf file containing all materials to be given consideration. To apply, please visit - find this job and open the link "Apply online," fill in the online application form, and attach all your materials in English in one pdf file. The file must include:

  • A letter motivating the application (cover letter)
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and excel spreadsheet here)

Candidates may apply prior to obtaining their master's degree, but cannot begin before having received it.

Please contact Professor Nini Pryds, or Senior Researcher Ngo Van Nong, for further information.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

DTU is a technical university providing internationally leading research, education, innovation and public service. Our staff of 5,000 advance science and technology to create innovative solutions that meet the demands of society; and our 10,000 students are educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.