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Dr. Esther Barrena –
Organic Films on Metal Surfaces
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Tailoring the electronic and optical properties of organic semiconductors requires control of the growth and structure of the molecular assemblies. In this sense, one important advance has been the use of organic molecular beam epitaxy (OMBE) as a mean to achieve control over the growth of organic films with extremely high chemical purity. Despite much effort in recent years, the control of the structure of thicker molecular films is still a big challenge to face, inherently related to the large size and low symmetry of the molecules and the complexity of the chemical and physical interactions involved in the ordering process.
The main aim of our group is the understanding of self-organization phenomena and grown mechanisms of well ordered organic films potentially useful for applications in molecular devices. For that we combine complementary structural methods and surface analysis techniques. X-ray diffraction experiments at the Synchrotron provides a powerful technique to investigate in-situ the structure and growth mode of the films. In addition, Scanning Probe Microscopy allow us to "see" structure in the real space at nanometer scale.
Current topics
- Growth kinetics
- Controlled growth of highly anisotropic ordered molecular films
- Influence of the organic-substrate interface on growth and structure
Job offers
- Diploma/Ph.D. thesis:
Growth of highly ordered molecular films
for applications in optoelectronic devices - Postdoc position:
Collaboration in the "Organics" project
Contact
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