A general approach to high-efficiency perovskite solar cells by any antisolvent

AD Taylor, Q Sun, KP Goetz, Q An, T Schramm… - Nature …, 2021 - nature.com
Deposition of perovskite films by antisolvent engineering is a highly common method
employed in perovskite photovoltaics research. Herein, we report on a general method that …

Quantifying capacitive and diffusion-controlled charge storage from 3D bulk to 2D layered halide perovskite-based porous electrodes for efficient supercapacitor …

R Kumar, M Bag - The Journal of Physical Chemistry C, 2021 - ACS Publications
Hybrid perovskites have been widely used in solar cells and light-emitting diode
applications due to superior optoelectronic properties. However, ion migration in these …

Hybrid Halide Perovskite‐Based Electrochemical Supercapacitors: Recent Progress and Perspective

R Kumar, M Bag - Energy Technology, 2022 - Wiley Online Library
Hybrid halide perovskites have become highly popular mixed electronic− ionic material over
the past decade due to a wide range of applications in flexible optoelectronics especially for …

Advanced strategies to tailor the nucleation and crystal growth in hybrid halide perovskite thin films

J Kumar, P Srivastava, M Bag - Frontiers in Chemistry, 2022 - frontiersin.org
Remarkable improvement in the perovskite solar cell efficiency from 3.8% in 2009 to 25.5%
today has not been a cakewalk. The credit goes to various device fabrication and designing …

Synthesis of porous electrode from CH3NH3PbBr3 single crystal for efficient supercapacitor application: Role of morphology on the charge storage and stability

R Kumar, PS Shukla, GD Varma, M Bag - Electrochimica Acta, 2021 - Elsevier
Metal halide perovskites (MHPs) are the most exciting class of next generation energy
storage materials owing to their high ionic as well as electronic conductivity. There has been …

Photorechargeable hybrid halide perovskite supercapacitors

R Kumar, A Kumar, PS Shukla, GD Varma… - … Applied Materials & …, 2022 - ACS Publications
Current approaches for off-grid power separate the processes for energy conversion from
energy storage. With the right balance between the electronic and ionic conductivity and a …

Role of A-site cation and X-site halide interactions in mixed-cation mixed-halide perovskites for determining anomalously high ideality factor and the super-linear …

R Kumar, P Srivastava, M Bag - ACS Applied Electronic Materials, 2020 - ACS Publications
Mixed-cation mixed-halide perovskites have gained a lot of attention due to their superior
device properties, optoelectronic properties, and improved structural stabilities over methyl …

Tunable ionic conductivity and photoluminescence in quasi-2D CH 3 NH 3 PbBr 3 thin films incorporating sulphur doped graphene quantum dots

R Kumar, J Kumar, S Kadian, P Srivastava… - Physical Chemistry …, 2021 - pubs.rsc.org
Ion migration in hybrid halide perovskites is ubiquitous in all conditions. However, the ionic
conductivity can be manipulated by changing the material composition, operating …

Improving stability and photoluminescence of CsPbBr3 quantum dots/CMC polymer composite for optoelectronics application

A Suhail, J Kumar, G Teron, M Bag - Optical Materials, 2022 - Elsevier
Cesium lead halide perovskite quantum dots (PQDs) are the most promising materials for
optoelectronic application due to their high photoluminescence quantum yield. However, the …

The curious case of ion migration in solid-state and liquid electrolyte-based perovskite devices: Unveiling the role of charge accumulation and extraction at the …

P Srivastava, R Kumar, M Bag - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
Electrochemical impedance spectroscopy (EIS) has been extensively used for the detailed
investigation and understanding of the plethora of physical properties of variegated …