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Umeå University

Postdoctoral Researcher in Carbon Dots Design and Synthesis for Light-Emitting Applications Umeå University in Sweden

Degree Level

Postdoc

Field of study

Chemistry

Funding

The postdoctoral position is full-time for two years and is funded by the Bertil and Britt Svenssons Foundation for Lighting Technology. Salary is monthly according to agreement.

Deadline

Sep 10, 2026

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Country

Sweden

University

Umeå University

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Keywords

Chemistry
Electrical Engineering
Materials Science
Photophysics
Material Characterization
Nanoscience
Physics

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About this position

Umeå University is advertising a 2-year postdoctoral researcher position in the Department of Physics for a project on carbon dots design and synthesis for light-emitting applications.

The project, All-Plant-Based Artificial Lighting Solution for Greenhouses, focuses on developing sustainable, high-luminescent nanomaterials derived from plant-based resources. The goal is to replace non-sustainable materials such as rare-earth phosphors and heavy-metal quantum dots in light-emitting devices and other advanced optoelectronic applications.

Research tasks include the design, synthesis, purification, and characterization of biomass-derived emissive carbon dots, as well as their use as color-conversion layers or active layers in light-emitting devices. The role also involves interdisciplinary collaboration with other researchers.

Eligibility highlights: applicants must hold a PhD (or equivalent) in Chemistry, Physics, Materials Science, or a closely related field. Strong experience in synthesis of nanoparticles/quantum dots or organic semiconductors is required, with carbon dots experience especially valuable. The post also requires experience with materials characterization (e.g. NMR, mass spectrometry, XRD, XPS, vibrational spectroscopy, electron microscopy) and photophysical characterization (UV-Vis absorption, steady-state and time-resolved photoluminescence, PL quantum yield). Strong English skills are essential. Thin-film and optoelectronic device experience is a merit.

Funding: the position is funded by the Bertil and Britt Svenssons Foundation for Lighting Technology. Salary is monthly according to agreement.

Application deadline: 2026-09-10. The position starts on 2026-11-01 or by agreement.

How to apply: submit the application through Umeå University’s Varbi recruitment system. Required documents include a cover letter, CV with publication list, degree certificate or proof of expected completion, transcripts and diplomas, thesis and up to three relevant articles, one signed recommendation letter, and contact details for two referees. Documents must be in English or Swedish and uploaded as PDF files.

Contact person: Jia Wang ([email protected]).

Funding details

The postdoctoral position is full-time for two years and is funded by the Bertil and Britt Svenssons Foundation for Lighting Technology. Salary is monthly according to agreement.

What's required

Applicants must have a PhD degree, or an equivalent foreign degree, in Chemistry, Physics, Materials Science, or a closely related field, completed no later than the appointment decision. Priority is given to candidates who earned the doctorate within the last three years, though exceptions may apply for special reasons. Required experience includes synthesis and purification of organic semiconductors, nanoparticles, or quantum dots, with carbon dots experience especially valuable; materials characterization such as NMR, mass spectrometry, X-ray diffraction, X-ray photoelectron spectroscopy, vibrational spectroscopy, and electron microscopy; photophysical characterization including UV-Vis absorption, steady-state and time-resolved photoluminescence, and PL quantum yield measurements. Strong written and spoken English is essential. Thin-film and optoelectronic device fabrication/characterization skills are meriting.

How to apply

Apply through Umeå University’s electronic recruitment system Varbi. Submit a cover letter, CV with publication list, doctoral degree certificate or proof of expected completion, other diplomas and transcripts, thesis and up to three relevant articles, at least one signed recommendation letter, and contact details for two referees. Documents must be in English or Swedish and uploaded as PDF files.

More information can be found here

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