Indian Institute of Science Education and Research (IISER) Tirupati, an autonomous premier institute of national importance under the Ministry of Education, Govt. of India, invites applications for 01 temporary post of Research Associate-1 in the field of Material Chemistry.
Job Details
| Attribute | Information |
| Hiring Institution | IISER Tirupati, Andhra Pradesh |
| Open Position | Research Associate-1 (01 Post) |
| Project Title | Unravelling design criteria for engineering tunable multi-exitonic emission in low dimensional metal halide hybrids through doping/co-doping synthetic strategy |
| Research Area | Material Chemistry |
| Principal Investigator | Dr. Janardan Kundu |
| Project Code | ANRF-30223166 |
| Monthly Fellowship | • With Ph.D. Degree: ₹58,000/- p.m. + 10% HRA • Ph.D. Thesis Submitted: ₹42,000/- p.m. + 10% HRA |
| Tenure | Temporary for 06 months (extendable up to another 06 months based on performance & funds) |
| Upper Age Limit | Maximum 35 years as of 03rd September 2026 |
| Last Date to Apply | 03rd September 2026 (5:00 PM IST) |
| Tentative Interview Date | 09th September 2026 (Online Mode) |
About Institution
IISER Tirupati is an autonomous institution established by the Ministry of Education, Govt. of India, dedicated to promoting high-quality science education and cutting-edge research. The Department of Chemistry conducts advanced interdisciplinary research spanning Material Science, Crystallography, Nanomaterials, Photophysics, and Semiconductor Spectroscopy.
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Job Description
The Research Associate-1 will work on the ANRF-sponsored research project focusing on the synthesis and characterization of low-dimensional metal halide hybrid materials. Responsibilities include growing single crystals, executing doping/co-doping synthetic strategies, and conducting advanced optical spectroscopy (photoluminescence, time-resolved PL, UV-Vis) and crystallographic analyses to tune multi-excitonic emissions.
Requirements & Qualifications
1. Minimum Qualifications
- Ph.D. Degree in Chemical Sciences.
- Candidates who have submitted their Ph.D. thesis and are awaiting the award of the degree are also eligible (must provide proof of submission).
- Demonstrated evidence of high-quality research publications/output during or after the Ph.D. program.
2. Desirable Experience
- Hands-on experience in growing single crystals of metal halide hybrid materials.
- Strong expertise in crystallography and optical spectroscopy techniques:
- UV-Vis Spectroscopy
- Steady-state Photoluminescence (PL)
- Time-Resolved Photoluminescence (TRPL)
- Thermal/Thermogravimetric studies
Roles and Responsibilities
- Synthetic & Material Design: Execute wet-chemical synthesis and crystal growth of low-dimensional metal halide organic-inorganic hybrids.
- Photophysical Characterization: Perform optical spectroscopy measurements, including UV-Vis, PL, and TRPL, to analyze excitonic kinetics and emission dynamics.
- Crystallographic & Thermal Analysis: Resolve crystal structures using X-ray diffraction (XRD) techniques and assess thermal stability.
- Data Analysis & Reporting: Analyze experimental datasets, assist in compiling project reports, and draft research manuscripts for peer-reviewed journals.
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Skills You’ll Gain
| Category | Specific Tools & Competencies Mastered |
| Synthesis & Material Processing | Single Crystal Growth, Metal Halide Hybrids, Doping & Co-doping Synthetic Routes. |
| Spectroscopy & Photophysics | Time-Resolved Photoluminescence (TRPL), UV-Vis, Exciton Recombination Kinetics. |
| Structural & Thermal Analysis | Single-Crystal & Powder X-Ray Crystallography (XRD), TGA/DSC Analysis. |
Application Procedure & Selection Process
- Last Date for Submission:03rd September 2026 by 5:00 PM IST.
- Mode of Application:
- Download the prescribed application form available on the IISER Tirupati website.
- Fill out and convert the application form into PDF format.
- Email the completed PDF application form to janardan@labs.iisertirupati.ac.in.
- Use the exact email subject line:
Research Associate-1: 64/2026.
- Important Note: Sending standalone resumes/CVs via email without the filled prescribed application form will lead to rejection.
- Selection Mode: Shortlisted candidates will be notified via email for an Online Interview tentatively scheduled for 09th September 2026.
- Official Application Notification:Download Prescribed Application Form & Advertisement
Frequently Asked Interview Questions (With Answers & Solution Guidelines)
Exciton Dynamics in Metal Halide Hybrids
- Question:“How does organic-inorganic structural dimensionality (2D vs. 0D) influence exciton binding energy and multi-excitonic/self-trapped exciton (STE) emission in metal halide hybrids?”
- Answer & Solution Context: Discuss dielectric confinement and spatial quantum confinement in lower dimensions leading to large exciton binding energies (>100 meV). Explain transient lattice distortion causing self-trapped excitons (STEs), broad Stokes-shifted broadband emission, and how doping introduces intermediate states to tune multi-excitonic emission pathways.
Time-Resolved Photoluminescence (TRPL)
- Question:“How do you extract average fluorescence lifetime ($\tau_{avg}$) from a multi-exponential decay fitting in TRPL measurements?”
- Answer & Solution Context: Explain fitting the PL intensity decay curve $I(t) = \sum A_i e^{-t/\tau_i}$. Detail using amplitude-weighted lifetime $\tau_{avg} = \frac{\sum A_i \tau_i^2}{\sum A_i \tau_i}$ or intensity-weighted lifetime calculations to evaluate non-radiative trap state densities versus radiative recombination lifetimes in doped hybrid crystals.