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The research goal of our Project is to devise and fabricate alternated donor-acceptor-donor-type ambipolar polymer-semiconductor-based electrodes with different nanostructures, suitable for use as electroactive materials in electrochemical capacitors (supercapacitors). Ambipolarity means electroactivity at both negative and positive potentials. In the preparation of structurally tuned ambipolar polymers, naphthalene bisimide (NBI) units (electroactive at negative potentials) will be symmetrically core-functionalized with two different electron-donor units (electroactive at positive potentials).

It is expected that the rational design and tuning of the structure and nanostructure of ambipolar semiconductor polymers will affect the long-term performance of these functional materials and introduce the desired high operating voltage into the supercapacitor device. We hope that these materials will be promising for ensuring high performance of supercapacitor devices in terms of energy density and power density, as well as for energy transport to the desired location with minimal loss. Hence, studies conducted under applied voltage will be essential for understanding and improving their energy transport and stability.

By fabricating and analyzing ambipolar polymer-based electrodes with different molecular structures, we will select electrodes with the highest stability and electroactivity. The proposed research objective is to gain control over the distinct molecular structures of ambipolar polymer semiconductors by studying their properties using electrochemistry and microscopy.

Electrosynthesis of differently structured ambipolar polymers (electrodeposited under distinct conditions on different substrates), their electrochemical and microscopic characterization with the emphasis on advanced and systematic electrochemical studies conducted in three as well as two electrode systems.

We offer a scholarship position in the Institute of Physical Chemistry PAS with a monthly stipend of 5.000,00 PLN financed from the NCN Sonata 17 Project No. 2021/43/D/ST5/01929. The offer is for 4 months.

The successful candidate will benefit from new knowledge and methods added to his/her toolbox. The project deals with electrochemistry, spectroscopy, and microscopy, so any candidate's profile will gain new knowledge upon the project's completion.

The successful candidate will be eligible for all programs at the IPC PAS, including the IPC PAS Young Scientists competition and the IPC PAS Young Scientists Mobility competition.

• Experience in electrochemical studies based on Cyclic Voltammetry, Chronoamperometry, and Electrochemical Impedance Spectroscopy.
• Experience in electrodeposition techniques.
• Experience in SEM microscopy imaging.
• Not a PhD holder.
• Status of a PhD student in physics, chemistry, or a similar field.

The recruitment committee evaluates the candidate's scientific achievements, their accomplishments resulting from conducting scientific research, and their competencies for carrying out specific tasks within the research project on a point-based scale:

▪ the candidate’s research achievements, including publications in prestigious  academic press /journals (50% of the final score):

▪ research-related achievements, scholarships, awards and research experience gained in Poland or abroad, research workshops and training courses, participation in research projects (20% of the final score):

▪ the candidate’s competence to carry out specific tasks in the research project (30% of the final score).

In accordance with uchwala25_2019-zal1_ang.pdf