10 papers
Lead-free antiperovskite derivatives BaMA (M = P, As, Sb, Bi; A = Cl, Br, I): Next-gen materials for optoelectronics
Surajit Adhikari, Aftab Alam, Priya Johari
Antiperovskite derivatives have recently emerged as promising lead-free alternatives to halide perovskites for optoelectronic applications. Here, using a comprehensive first-princi…
Decoding optoelectronic behavior in XBI antiperovskite derivatives through many-body perturbation theory
Ayan Chakravorty, Surajit Adhikari, Priya Johari
Antiperovskite derivatives have emerged as promising candidates for optoelectronic applications. However, due to the significant computational cost, their excitonic and polaronic p…
Unveiling the impact of trivalent metal cation transmutation on CsAgM(III)Cl double perovskites using many-body perturbation theory
Surajit Adhikari, Priya Johari
Lead-free halide double perovskites AM(I)M(III)X have garnered significant attention in the past decade as promising alternatives to CsPbX perovskites, addressing…
Soft mode induced structural phase transition in BaZnTeO at high pressure
Bidisha Mukherjee, Surajit Adhikari, Mrinmay Sahu +5
In this paper, we present a thorough investigation of vibrational, structural, and electronic properties of perovskite-type rhombohedral BaZnTeO (BZTO) under systematic app…
Exploring 2D/Quasi-2D Ruddlesden-Popper Perovskite AHfS (A = Ca, Sr, and Ba; n = 1-3) for Optoelectronics using Many-Body Perturbation Theory
Surajit Adhikari, Aksaj Bharatwaj, Priya Johari
Dimensionality engineering in ABX Ruddlesden-Popper (RP) perovskite phases has emerged as a promising strategy to enhance optoelectronic properties. These prop…
Post-Transition Metal Sn-Based Chalcogenide Perovskites: A Promising Lead-Free and Transition Metal Alternative for Stable, High-Performance Photovoltaics
Surajit Adhikari, Sankhasuvra Das, Priya Johari
Chalcogenide perovskites (CPs) have emerged as promising materials for optoelectronic applications due to their stability, non-toxicity, small bandgaps, high absorption coefficient…