Research Assistant \ Associate – Instilling defect tolerance in ABZ2 photovoltaic materials
Applications are invited for a Research Associate position to join the Department of Materials. The overarching goal of the project is to pinpoint defect-tolerant ABZ2 materials and develop them into efficient thin film photovoltaics (PVs) processed at low temperature using scalable methods. In ABZ2 materials, A = monovalent cation, B = Bi3+ or Sb3+, and Z = divalent anion (e.g., S2-, Se2-). This position will involve developing vapour- and...
Job listing information
- Reference ENG01493
- Date posted 2 December 2020
- Closing date 4 January 2021
Applications are invited for a Research Associate position to join the Department of Materials. The overarching goal of the project is to pinpoint defect-tolerant ABZ2 materials and develop them into efficient thin film photovoltaics (PVs) processed at low temperature using scalable methods. In ABZ2 materials, A = monovalent cation, B = Bi3+ or Sb3+, and Z = divalent anion (e.g., S2-, Se2-). This position will involve developing vapour- and solution-based synthesis routes for these materials, and characterising their crystal structure, composition, electronic structure, charge-carrier lifetime and photoluminescence quantum efficiency. New insights into the role of electronic, composition and structural properties on defect tolerance will be generated, and these used to identify promising ABZ2 materials, which will be developed into photovoltaics. The performance and stability of the devices will be systematically improved by identifying and mitigating limiting factors.
The project is funded by EPSRC, No. EP/V014498/1, and a summary of the aims and background can be found online: https://gow.epsrc.ukri.org/NGBOViewGrant.aspx?GrantRef=EP/V014498/1
Duties and responsibilities
- Synthesis of ABZ2 thin films by solution- and vapour-based methods
- Characterisation of the crystal structure of the phases produced, their composition, charge-carrier lifetime, photoluminescence quantum efficiency and band positions
- Undertake all associated data analysis and interpretation of data
- Liaise with collaborators (including industry) and mentors
- Attend regular project meetings and provide all relevant materials (reports, presentations, data) in a timely way
- Assist the other research staff in the day-to-day management of the Energy Materials & Devices group laboratories, as well as working in harmony with other users of the Royce@Imperial facilities
- To liaise with other research staff and students working in broad areas of relevance to the research project
- To write quarterly progress reports and prepare results for publication and dissemination via journals, presentations and the web
- To attend progress and management meetings as required and network with other research groups
- To attend relevant workshops and conferences as necessary.
- To develop contacts and research collaborations within the College and the wider community.
- To undertake mentorship of PhD students, as agreed.
- To actively participate in Group research meetings and internal seminars.
- To undertake appropriate administration tasks
- To attend relevant meetings
- To undertake limited teaching duties as required
- To maintain safe workplace practice and procedures in accordance with the requirements of Health and Safety legislation
Candidates/post holders will be expected to demonstrate the following:
- Research Assistant, near completion of PhD (or equivalent) in materials science, chemistry, physics or engineering.
- Research Associate holds a PhD* (or equivalent) in chemistry, physics or materials science and engineering focused on high temperature ceramic materials.
- Demonstrated experience of appropriate data analysis techniques
- Experience of growing films inside a glovebox, and in the operation and maintenance of gloveboxes
- Experience of measurement of photovoltaic performance
- Practical experience in thin film diffraction measurements and analysis
- Previous experience in thin film photoemission spectroscopy and optical characterisation
- Experience of synthesis and characterisation of colloidal nanocrystals (using a Schlenk line), or in thin film synthesis by chemical vapour deposition or physical vapour transport
- Experience in working with computational materials modelling groups
- Experience of organisation of project meetings and laboratory management
- Supervision of research students
- General background of semiconductors, and recombination processes
- Experience of electron microscopy
- Knowledge and experience of photovoltaic device development
- Knowledge and experience of materials characterisation techniques including X-ray Photoelectron Spectroscopy (XPS) and X-ray diffraction (XRD).
- Background knowledge of photovoltaic device operation
- Background knowledge of recombination processes in semiconductors
- Knowledge and experience of colloidal nanocrystals and bulk thin films
**Candidates who have not yet been officially awarded their PhD will be appointed as Research Assistant within the salary range £35,477- £38,566 per annum.
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