Job Information
Organisation/Company: Institute for the Sciences of Light / Institut d’Optique Graduate School
Research Field: Chemistry, Physics
Researcher Profile: First Stage Researcher (R1)
Positions: PhD Positions
Application Deadline: 21 Sep 2026 - 12:00 (Europe/Paris)
Country: France
Type of Contract: Temporary
Job Status: Full-time
Offer Starting Date: 1 Jan 2027
Is the job funded through the EU Research Framework Programme?: Horizon Europe – COFUND
Marie Curie Grant Agreement Number: 101177177
Is the Job related to staff position within a Research Infrastructure?: No
Offer Description
The LIGHTinPARIS programme has launched its 3rd call for PhD Fellowships with up to 6 fully funded positions starting on 1 January 2027. The PhD projects on offer fall in the domain of the Institute for Sciences of Light (Université Paris-Saclay) covering photonics, optics, imaging, materials (chemistry), lasers, instrumentation, information, quantum technologies and more. The programme is cofunded by the European Union under Horizon Europe Marie Skłodowska-Curie Actions (MSCA) COFUND call and co-financed by Université Paris-Saclay and two non-academic partners IMAGINE OPTIC and ONERA.
This is an announcement for one of the 10 PhD projects on offer.
CHISOS: CHIral Saddle-shaped Organic Semiconductors
Optical rotation, electronic circular dichroism (ECD), and circularly polarized luminescence (CPL) techniques clearly confirm the ability of optically active molecules to modulate the properties of circularly polarized light. This specific interaction between light and chiral matter has generated considerable interest within the scientific community due to its practical applications in various fields and is now considered a cutting-edge technology for 3D display devices. With this in mind, we will explore the synthesis and photophysical and chiroptical properties of enantioenriched chromophores based on combinations of COTPh or COTTh and porphyrin pigments, thereby creating new families of 3D OSCs with improved solubility, stability, and chiroptical activities, thanks to the synergy between the saddle-shaped core and the pigment properties.
Keywords: Organic semiconductor; Chirality; Cyclooctatetraphenylene; Chiroptical activities / Multifunctional materials; CP-OLEDs devices
PI/Thesis Supervisor and team: David KREHER (and Kaïs Dhbaibi) at the SORG team (axe matériaux moléculaires) at the ILV laboratory / institute of UVSQ
Every LIGHTinPARIS PhD project includes a “3i” dimension (interdisciplinary, intersectoral, or international collaboration) and all fellows will benefit from secondment opportunities for 2 to 12 months at the 3i partner lab under the supervision of the “3i” co-supervisor.
3i dimension(s) for project CHISOS: interdisciplinary at CEA Paris-Saclay/IRAMIS/SPEC/GMT group and international (short stays at the OPERA Lab, Kyushu University - Japan)
APPLICATION PROCESS
- Applications must be submitted electronically via the LIGHTinPARIS application portal.
- Deadline for applications: 21 September 2026 12:00 noon Paris time (UTC + 2)
- Deadline to start an application (registration on portal): 15 September 2026 12:00 noon Paris time (UTC + 2)
PRIOR TO STARTING AN APPLICATION,
- Step 1. Verify and test your eligibility: https://lightinparis.eu/eligibility/
- Step 2. Find a PhD project of interest: https://lightinparis.eu/thesis-subjects
Contact the proposed thesis supervisor to discuss the research project and scientific background and experience needed to fulfill the PhD position.
YOU MAY THEN PROCEED TO,
- Step 3. Register on the application portal and receive link to application portal (you will complete an eligibility test first). You may prepare your application Offline.
- Step 4. Submit your application
Detailed information and instructions are provided in the official Guide for Applicants and on the programme website (lightinparis.eu).
EMPLOYMENT CONDITIONS
- Contract: Full-time, 36-month fixed-term French doctoral employment contract. Employer: Université Paris-Saclay.
- Salary: Competitive gross monthly salary (before taxes) for a LIGHTinPARIS PhD fellow under French doctoral contract conditions is a minimum of 2400 € (see application guide for specific employers)
- Allowances: Monthly travel and mobility allowance (€200).
- Annual enrolment fees at the doctoral school (394 €) covered for 3 years.
Additional benefits and opportunities
- Opportunities for professional experience (such as teaching activities)
- Comprehensive training in research, innovation, and transferable skills
TIMELINE
- Call Open: Week 29 (2026) to Week 39 (2026). Publication of Call: 15 July 2026. Application portal open: 21-23 July 2026.
- Registration (to start an application) deadline: 15 September 2026 12:00 noon Paris time (UTC +2). No new applications can be registered after this date. Selected PhD project cannot be modified after this date
- Submission deadline: 21 September 2026 12:00 noon Paris time (UTC +2)
- Validation of application dossiers and evaluation by external experts: Week 39 - Week 42 (16/09/2026 - 13/10/2026)
- Online interviews: Week 44 - 45 (27 October - 6 November 2026)
- Notification of results: Week 46 (9 - 14 November 2026)
CONTACT & INFORMATION
- Administrative questions: For queries about the application process, eligibility, and all administrative questions, contact application-lightinparis.isl@institutoptique.fr.
- Scientific questions: contact the supervisor(s) listed for each project: https://lightinparis.eu/thesis-subjects
- Up-to-date information on the LIGHTinPARIS website: https://lightinparis.eu/
Where to apply
Website: https://lightinparis.eu
Requirements
Research Field: Chemistry, Education Level: Master Degree or equivalent
Research Field: Physics, Education Level: Master Degree or equivalent
Skills/Qualifications
PhD studies and research work require curiosity, creativity, rigour, teamwork, and organisational skills. A minimum B2 level of English is mandatory. Each PhD project has specific skills/qualifications listed - see last page of linked PDF file https://lightinparis.eu/thesis-subjects/.
Profile of PhD fellow for project CHISOS
- pre-requisite: Strong background in organic chemistry and stereochemistry and experience in synthetic molecular design and multistep organic synthesis
- pre-requisite: Knowledge of supramolecular chemistry and molecular self-assembly
- advantageous: Skills in spectroscopy and chiroptical techniques
- advantageous: Experience in materials chemistry and optoelectronic applications
- advantageous: Experience in theoretical calculations and computational studies
Specific Requirements
Security Clearance
Recruitment in French science and technology research facilities is subject to security clearance as required by the Department of Strategy, Security and Defence. The attribution of a PhD fellowship is contingent on the candidate obtaining the necessary security clearance.
Languages
ENGLISH: Level Good
Additional Information
Eligibility criteria
- Hold, or complete the requirements, for a Master’s degree or equivalent qualification by the application deadline, 21 September 2026. Candidates cannot hold a PhD degree.
- Must not have resided or carried out their main activity in France for more than 12 months in the three years prior to the call deadline (MSCA mobility rule), i.e. between 22 September 2023 and 21 September 2026).
- A good (B2) level of English is required; knowledge of French is not required.
Selection process
The selection includes an eligibility check, external evaluation by experts, and interviews (online) to assess the candidates’ scientific potential, motivation, and fit with the proposed research project.
- Shortlisted candidates will be invited for online interviews.
Website for additional job details: https://lightinparis.eu
Work Location(s)
Number of offers available: 4
Company/Institute: Université Paris-Saclay / UVSQ - Institut Lavoisier de Versailles
Country: France
City: Versailles
Postal Code: 78035
Street: 45 avenue des États-Unis
Contact
City: Palaiseau
Website: https://lightinparis.eu
Street: 2 avenue Augustin Fresnel
Postal Code: 91127
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