[Studentship supported for 3.5 years, includes Home or International tuition fees plus a stipend of £20,780 per annum (2025-26 rate; 2026-27 rate TBC). Last 6 months of the four-year registration period is self-funded for writing-up.]

The University of Plymouth invites applications for a 3.5-year PhD studentship within its renowned Marine Institute, focusing on the innovative use of nanotechnology to address climate change. This project explores whether doped, Fe-based nanoparticles can enhance iron fertilisation in the ocean, thereby promoting algal growth and increasing carbon sequestration. Iron is a limiting nutrient for algal growth in over 25% of the world’s oceans, and its strategic addition can stimulate photosynthesis, drawing down atmospheric CO2. However, traditional approaches face challenges such as rapid iron unavailability, co-limitation with other elements, and fast recycling of algae, which limit the effectiveness of carbon drawdown.

This solution-driven research aims to design and fabricate nanoparticles with tightly controlled physico-chemical properties to improve biouptake and sustainability. The project will also investigate the physical removal of nanoparticle-algae complexes, addressing issues of algal cycling and contributing to waste valorisation and the circular economy. The studentship offers a laboratory-based environment where the successful candidate will optimise nanoparticle synthesis, culture algae, conduct exposure studies, and perform advanced analytical measurements using techniques like single particle and single cell ICP-MS.

Comprehensive training and mentoring will be provided, covering synthesis, plankton taxonomy, instrumental analysis, laboratory best practices, quality assurance, science communication, and transferrable skills. By the end of the project, the student will be equipped to initiate and plan scientific studies, develop and test hypotheses, and create methodological procedures, fostering independence and leadership in research.

Eligibility requires a first or upper second class honours degree or a Masters in a quantitative discipline such as chemistry, engineering, or marine science. Laboratory experience is highly valued, and candidates should demonstrate motivation and the potential for leadership in their field. The studentship covers full Home or International tuition fees and a stipend of £20,780 per annum (2025-26 rate; 2026-27 rate to be confirmed). The final six months of the four-year registration period are self-funded for thesis writing.

Applications are open until 12 noon on Monday, 2nd February 2026, with the studentship commencing on 1st October 2026. For informal discussions about the project, prospective applicants may contact Professor Jamie Lead. For further details and to apply, visit the University of Plymouth studentships webpage.