A review on defect engineered NIR persistent luminescence through transition metal ion (Cr, Mn, Fe and Ni) doping: Wider perspective covering synthesis …

RT Parayil, SK Gupta, M Mohapatra - Coordination Chemistry Reviews, 2025 - Elsevier
Persistent luminescence is an optical phenomenon where materials continue to emit light
after the cessation of the excitation source which leads to different applications in areas like …

Host–Guest Metal–Organic Frameworks-Based Long-Afterglow Luminescence Materials

ZC Zhang, ZG Gu, J Zhang - Molecules, 2024 - mdpi.com
Long-afterglow materials have a broad of applications in optoelectronic devices, sensors,
medicine and other fields due to their excellent luminescent properties. The host-guest long …

ZnGa 2− x Al x O 4 (x= 0≤ 2) spinel for persistent light emission and HER/OER bi-functional catalysis

RT Parayil, SK Gupta, M Pal, A Dutta, D Tyagi… - RSC …, 2023 - pubs.rsc.org
Spinel materials have demonstrated diverse applications in various fields, especially in the
energy sector. Since the pure spinel structure has the limitations of poor inherent activity and …

Trap engineering through chemical doping for ultralong X-ray persistent luminescence and anti-thermal quenching in Zn 2 GeO 4

A Balhara, SK Gupta, M Abraham, B Modak… - Journal of Materials …, 2024 - pubs.rsc.org
Recently, defect luminescence-based ultralong persistent luminescent (PersL) materials
have been increasingly appreciated for advanced applications. However, an in-depth …

Two viologen-based complexes as persistent luminescent materials and their applications in inkless print and anticounterfeiting

DD Yang, T Xiao, YY Yang, JH Xue, YS Shi… - Chemical Engineering …, 2024 - Elsevier
Viologen-based complexes have garnered significant attention due to their multifunctional
stimuli-responsive properties and tunable persistent luminescence. However, achieving …

Ultra-bright and thermally stable deep red emitting doped yttrium zirconate nanoparticles for tunable white LEDs and indoor plant growth

RT Parayil, SK Gupta, M Abraham, S Das… - Materials …, 2023 - pubs.rsc.org
To counter the problem of the lack of an efficient red phosphor in commercial LEDs, it is
important to develop a red-emitting phosphor with a high quantum efficiency, thermal …

White light emitting nanocrystalline Y1− xGdxPO4: Dy3+ and improved PLQY on Gd3+ co-doping

SK Gupta, M Jafar, RT Parayil, J Bahadur… - Inorganic Chemistry …, 2024 - Elsevier
White Light emitting phosphors are in the realm of scientific evolution owing to their several
superior photophysical features and maximum commercial reach. Here in this work we have …

SrHfO3:Cr3+ Perovskite Microcubes for Rare-Earth-Free NIR-I Light Emission

SK Gupta, A Balhara, SK Shaw, NK Prasad… - Journal of Electronic …, 2024 - Springer
Abstract Near-infrared (NIR)-emitting phosphors are in high demand owing to their
application in areas of high importance, such as security, night-surveillance, imaging …

High concentration quenching, improved PLQY and high color purity of novel Gd2TiO5: Eu3+ triggered by complete solubility of dopant

M Jafar, A Balhara, P Sawant, K Sudarshan, SK Gupta - Optical Materials, 2023 - Elsevier
In the surge of new inorganic luminescent host for lanthanide ion for efficient solid-state
lighting, Ln 2 TiO 5 comes as a new class of materials with all optically suited properties …

Probing the effect of Y3+/Gd3+ on the optical properties of Gd2-xYxTiO5: Eu3+: Insight into local site-luminescence correlation

M Jafar, A Balhara, P Sawant, K Sudarshan… - Inorganic Chemistry …, 2023 - Elsevier
Phosphor converted light emitting diodes (pcLEDs) are considered as the most efficient
materials to resolve the issue of energy scarcity. In this regard, the design of an efficient red …