A
Abhishek Swarnkar
Researcher at Indian Institute of Science
Publications - 23
Citations - 4940
Abhishek Swarnkar is an academic researcher from Indian Institute of Science. The author has contributed to research in topics: Perovskite (structure) & Quantum dot. The author has an hindex of 16, co-authored 22 publications receiving 3738 citations. Previous affiliations of Abhishek Swarnkar include Swiss Federal Laboratories for Materials Science and Technology & National Renewable Energy Laboratory.
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Journal ArticleDOI
Origin of Unusual Excitonic Absorption and Emission from Colloidal Ag2S Nanocrystals: Ultrafast Photophysics and Solar Cell.
TL;DR: It is found that the defect-related midgap transitions overlap with excitonic transition, blurring the absorption spectrum, and nearly defect-free Ag2S NCs are prepared using molecular precursors, which exhibit sharp exciton absorption, emission, and improved performance of Ag1S quantum-dot-sensitized solar cells (QDSSCs).
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Ligand Engineering to Improve the Luminance Efficiency of CsPbBr3 Nanocrystal Based Light-Emitting Diodes
TL;DR: In this paper, a perovskite light-emitting diodes (PeLEDs) using high-quality green emissive colloidal CsPbBr3 nanocrystals (NCs) of size 11 ± 0.7 nm was presented.
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The dark exciton ground state promotes photon-pair emission in individual perovskite nanocrystals
Philippe Tamarat,Philippe Tamarat,Lei Hou,Lei Hou,Jean-Baptiste Trebbia,Jean-Baptiste Trebbia,Abhishek Swarnkar,Abhishek Swarnkar,Louis Biadala,Yann Louyer,Maryna I. Bodnarchuk,Maksym V. Kovalenko,Maksym V. Kovalenko,Jacky Even,Brahim Lounis,Brahim Lounis +15 more
TL;DR: The exciton fine structure of individual cesium lead iodide perovskite nanocrystals is unveiled and it is demonstrated that it is governed by the electron-hole exchange interaction and nanocrystal shape anisotropy.
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CsPbBr3–Ti3C2Tx MXene QD/QD Heterojunction: Photoluminescence Quenching, Charge Transfer, and Cd Ion Sensing Application
Padmini Pandey,Padmini Pandey,Arundhati Sengupta,Swati Parmar,Swati Parmar,Umesh Bansode,Suresh W. Gosavi,Abhishek Swarnkar,Subas Muduli,Aditya D. Mohite,Satishchandra Ogale +10 more
TL;DR: A Van der Waal heterostructure between the all-inorganic CsPbBr3 halide perovskite quantum dots (CPB QDs) and Ti3C2Tx MXene (MXN) is realized and the photo-physics of the composite is examined in this article.
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Organic-free colloidal semiconductor nanocrystals as luminescent sensors for metal ions and nitroaromatic explosives
TL;DR: A similar organic-free colloidal semiconductor nanocrystal shows luminescence turn-off sensing for 2,4,6-trinitrophenol, a known explosive.