Advanced Optoelectronics Materials Lab

We declare with heartfelt sorrow that we lost our bright star, a brave soul, a very successful scientist Dr. Abhishek Swarnkar, at his very early age. It's an irreplaceable loss for each of us, who knows him and who doesn't. His journey throughout is an example of how hard one's life can be and how to cross the hurdle with smiling face. With extremely difficult health issues, he published multiple of his work in top most journals within very short period of time. His days were still left there to shine more and more. All his struggles, his dedications and contributions to science, his brilliance and his unbelievable success will always be there in our mind. Our deepest condolences to his near and dear ones, may his soul rest in peace.

We are delighted to announce that Tariq Sheikh from our group has been awarded for the best PhD thesis in Department of Chemistry, IISER Pune. Many congratulations to him.

Many congratulation to Dr. Tariq Sheikh and all the co-authors for the recent publication based on enhancement of water stability and photoconductivity of one-dimensional hybrid lead bromide crystals, in The Journal of Physical Chemistry Letter.
The link is given below,

Combining π-Conjugation and Cation−π Interaction for Water-Stable and Photoconductive One-Dimensional Hybrid Lead Bromide Hybrid lead halide perovskites and their derivatives are important optoelectronic materials but suffer from water instability. Combining both the optoelectronics and the water stability of such systems is a major challenge in material design today. To address this issue, we employ the well-known π-...

Here the new year in our lab starts with the PhD work by Rayan Chakraborty , Pariksh*t Rajput and Angshuman Nag in collaboration with Gokul M. Anilkumar, Shabnum Maqbool, Ranjan Das, Atikur Rahman, Pankaj Mondal, published in JACS. The work introduces design principle, interesting photovoltaic and optical behavior of non-centrosymmetric semiconductors. Congratulations to all the authors.

Rational Design of Non-Centrosymmetric Hybrid Halide Perovskites Structural non-centrosymmetry in semiconducting organic–inorganic hybrid halide perovskites can introduce functionalities like anomalous photovoltaics and nonlinear optical properties. Here we introduce a design principle to prepare Pb- and Bi-based two- and one-dimensional hybrid perovskites with...

Here goes the recent publication from our group on 2D layered lead halide perovskites exploring different extent of doping and energy transfer phenomena based on different sites inside same crystals. Many congratulations to Taniya Dutta and all the co authors including Dr. Arindam Chowdhury's group.

Edge versus Interior Mn2+ Doping in 2D Layered Butylammonium Lead Bromide Perovskite Single Crystals Butylammonium lead bromide [(BA)2PbBr4] has an atomically thin two-dimensional (2D) quantum well structure. So if Mn2+ ions are doped into such crystals, then one would expect efficient energy transfer from the strongly confined excitons to the dopants. Perhaps, the energy transfer happens to yield....