Surface recrystallized stable 2D–3D graded perovskite solar cells for efficiency beyond 21%

R Garai, RK Gupta, M Hossain, PK Iyer - Journal of Materials Chemistry …, 2021 - pubs.rsc.org
Recently, organic–inorganic hybrid perovskite solar cells (PSCs) have experienced a rapid
growth in terms of efficiency. However, the instability of hybrid perovskite materials towards …

Alignment of Organic Conjugated Molecules for High‐Performance Device Applications

WA Memon, Y Zhang, J Zhang, Y Yan… - Macromolecular …, 2022 - Wiley Online Library
High‐performance organic semiconductor materials as the electroactive components of
optoelectronic devices have attracted much attention and made them ideal candidates for …

Intrinsically Stretchable Subthreshold Organic Transistors for Highly Sensitive Low‐Power Skin‐Like Active‐Matrix Temperature Sensors

JS Kim, MW Jeong, TU Nam, NTP Vo… - Advanced Functional …, 2024 - Wiley Online Library
Stretchable wearable sensors ultimately require low power consumption and high response
to physiological signals with skin conformability. However, power‐response tradeoff and …

RETRACTED ARTICLE: Single-atoms (N, P, S) encapsulation of Ni-doped graphene/PEDOT hybrid materials as sensors for H2S gas applications: intuition from …

I Benjamin, H Louis, FO Ogungbemiro… - Scientific Reports, 2023 - nature.com
This comprehensive study was dedicated to augmenting the sensing capabilities of Ni@
GP_PEDOT@ H2S through the strategic functionalization with nitrogen, phosphorus, and …

Defect Passivation with Multifunctional Fluoro-Group-Containing Organic Additives for Highly Efficient and Stable Perovskite Solar Cells

RK Gupta, R Garai, B Sharma, MA Afroz, Yukta… - Energy & …, 2022 - ACS Publications
Passivation of defects with functional organic molecules is one of the best strategies to
improve the efficiency and stability of perovskite solar cells (PSCs). Herein, two fluorinated …

Fluorinated polymeric insulating layer surface advancement by fluorine based cross-linking for high-performance organic electronic applications

H Ye, H Kwon, KY Ryu, Y Lu, HH Choi… - Journal of Materials …, 2024 - pubs.rsc.org
Insulating polymeric layers, like fluorinated polymers, are excellent dielectric materials for
organic field-effect transistors (OFETs). However, their high hydrophobicity hinders the …

Dual-Passivation Strategy for Improved Ambient Stability of Perovskite Solar Cells

RK Gupta, R Garai, PK Iyer - ACS Applied Energy Materials, 2021 - ACS Publications
Dual-passivation of MAPbI3-based perovskite using p-toluenesulfonic acid (PTSA) in the
bulk and hydrophobic polystyrene (PS) at the surface significantly diminishes the trap …

Ambient stable perovskite solar cells through trifluoro acetic acid-mediated multifunctional anchoring

RK Gupta, R Garai, PK Iyer - ACS Applied Energy Materials, 2022 - ACS Publications
The functional groups of any organic materials play a key role in improving the efficiency
and stability of hybrid perovskite solar cells (PSCs). This has led to the use of multifunctional …

Triple Passivation Approach to Laminate Perovskite Layers for Augmented UV and Ambient Stable Photovoltaics

R Garai, RK Gupta, A Choudhury… - ACS Applied Energy …, 2022 - ACS Publications
The instability of the perovskite solar cells (PSCs) toward ultraviolet (UV) irradiation and
moisture is a limiting factor in terms of commercialization even after achieving excellent …

Modulating carrier injection through rational control of hole transport layer for perovskite light-emitting diodes

RB Yathirajula, RK Gupta, MA Afroz… - Journal of Materials …, 2023 - Springer
Charge balance in the emissive layer through well-matched energy levels and reduced
barrier of the transport layers can help to attain maximum radiative recombination. In this …