Chayan K De
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Explore the profile of Chayan K De including associated specialties, affiliations and a list of published articles.
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14
Citations
16
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Recent Articles
1.
Ghosh S, Mukherjee S, Mandal S, De C, Mardanya S, Saha A, et al.
J Phys Chem Lett
. 2023 Jan;
14(1):260-266.
PMID: 36595225
Intrinsic hole trapping as well as hole detrapping have not been observed for any quantum dot (QD) or perovskite nanocrystal (PNC) system. Moreover, amplitude variation of intrinsic hole trapping (or...
2.
Mandal S, Roy D, De C, Ghosh S, Mandal M, Das A, et al.
Nanoscale Adv
. 2022 Sep;
1(9):3506-3513.
PMID: 36133552
Herein, the instantaneous synthesis of highly crystalline, uniform-sized ( 11.3 ± 0.1 nm), blue-to-green to yellow to red-emitting all-inorganic perovskite quantum dots (CsPbBr and mixed halide PQDs) was achieved at...
3.
Roy D, De C, Ghosh S, Mukherjee S, Mandal S, Mandal P
Phys Chem Chem Phys
. 2022 Mar;
24(15):8578-8590.
PMID: 35355030
A "one-pot one-step" synthesis method of Core/Alloy Shell (CAS) quantum dots (QDs) offers the scope of large scale synthesis in a less time consuming, more economical, highly reproducible and high-throughput...
4.
Roy D, Ghosh S, De C, Mukherjee S, Mandal S, Mandal P
J Phys Chem Lett
. 2022 Mar;
13(10):2404-2417.
PMID: 35257586
The importance of alloy-shelling in optically robust Core/Alloy-Shell (CAS) QDs has been described from structural and energetic aspects. Unlike fluorescent dyes, both Core/Shell (CS) and CAS QDs exhibit excitation-energy-dependent photoluminescence...
5.
De C, Ghosh A, Mandal P
J Phys Chem B
. 2022 Feb;
126(7):1551-1557.
PMID: 35166544
The hydrophobicity of room-temperature ionic liquids (RTILs) has been shown to have a very significant effect on the optical and structural properties of and in RTILs. The average excited state...
6.
Mandal S, Ghosh S, Mukherjee S, Roy D, De C, Mukhuti K, et al.
J Phys Chem Lett
. 2021 Oct;
12(41):10169-10174.
PMID: 34643402
Optical robustness, uniformity, , , etc. dictate the applicability of nanocrystals. Based on a series of multimodal statistical analyses such as the Kolmogorov-Smirnov test, Lévy statistics, etc., we demonstrate that...
7.
Mandal S, Ghosh S, Mukherjee S, De C, Roy D, Samanta T, et al.
Nanoscale
. 2021 Feb;
13(6):3654-3661.
PMID: 33538737
With an increasing bromide content in CsPb(Br/Cl) perovskite nanocrystals (PNCs), the steady state photoluminescence quantum yield value increases from 28% to 50% to 76%. Ultrafast transient absorption analyses reveal that...
8.
Ghosh S, Mandal S, Mukherjee S, De C, Samanta T, Mandal M, et al.
J Phys Chem Lett
. 2021 Feb;
12(5):1426-1431.
PMID: 33522828
There is no literature report of simultaneously achieving near-unity PLQY (ensemble level) and highly suppressed blinking (ultrasensitive single-particle spectroscopy (SPS) level) in a toxic-metal-free QD. In this Letter we report...
9.
Mandal S, Mukherjee S, De C, Roy D, Ghosh S, Mandal P
J Phys Chem Lett
. 2020 Feb;
11(5):1702-1707.
PMID: 32040316
Perovskite quantum dots (PQDs) are known to be defect-tolerant, possessing a clean band gap with optically inactive benign defect states. However, we show that there exist significant deep trap states...
10.
De C, Roy D, Mandal S, Mandal P
J Phys Chem Lett
. 2019 Jul;
10(15):4330-4338.
PMID: 31294573
Suppressed blinking has been reported in large (diameter ∼14.1 nm) core/shell InP quantum dots (QDs) under reduced air environment. We report here suppressed blinking with approximately four times smaller (diameter...