Search Results - "Dana, Jayanta"

Multiple Charge Transfer Dynamics in Colloidal CsPbBr3 Perovskite Quantum Dots Sensitized Molecular Adsorbate by Maity, Partha, Dana, Jayanta, Ghosh, Hirendra N

“…Ultrafast charge-transfer (CT) dynamics has been verified in CsPbBr3 (CPB) quantum dot (QD)–4,5-dibromofluorescein (DBF) composite materials, which form a…”
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Involvement of Sub-Bandgap States in Subpicosecond Exciton and Biexciton Dynamics of Ternary AgInS2 Nanocrystals by Dana, Jayanta, Debnath, Tushar, Ghosh, Hirendra N

“…We have synthesized three Ag x InS2 (AIS) ternary nanocrystals (NCs), where x varies from 0.25 to 1, and reported their biexcitonic feature which depends on…”
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Biexciton Dissociation Dynamics in Nanohybrid Au–CuInS2 Nanocrystals by Mondal, Somen, Aepuru, Radhamanohar, Dana, Jayanta, Ghorai, Nandan, Ghosh, Hirendra. N

“…Multiexciton harvesting from a semiconductor quantum dot has been a new approach for improving the solar cell efficiency in quantum dot-sensitized solar cells…”
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Inhibiting Interfacial Charge Recombination for Boosting Power Conversion Efficiency in CdSe{Au} Nanohybrid Sensitized Solar Cell by Dana, Jayanta, Anand, Pranav, Maiti, Sourav, Azlan, Farazuddin, Jadhav, Yogesh, Haram, Santosh K, Ghosh, Hirendra N

“…To boost the power conversion efficiency (PCE) of quantum dot solar cell (QDSC) by long-lived charge separated state, we are introducing CdSe­{Au} nanohybrid…”
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Restriction of Molecular Rotation and Intramolecular Charge Distribution in the Photoexcited State of Coumarin Dyes on Gold Nanoparticle Surface by Dana, Jayanta, Debnath, Tushar, Maity, Partha, Ghosh, Hirendra N

“…Effect of molecular structure on the excited state dynamics, molecular rotation, and intramolecular charge distribution in the excited states of two…”
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Concurrent Ultrafast Electron- and Hole-Transfer Dynamics in CsPbBr3 Perovskite and Quantum Dots by Dana, Jayanta, Maity, Partha, Jana, Biswajit, Maiti, Sourav, Ghosh, Hirendra N

“…Ultrafast charge-transfer (i.e., electron and hole) dynamics has been investigated between the cesium lead bromide (CsPbBr3, CPB) perovskite nanocrystals (NCs)…”
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Hole Localization and Ultrafast Electron Transfer Dynamics in CuInS2/Organic Molecule Composite by Dana, Jayanta, Houplin, Arthur, Tkachenko, Nikolai V.

“…Exploring the dynamics of photoexcited electrons and holes in green I–III–VI ternary quantum dots (QDs) is of utmost necessity to design and improve their…”
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Hole Localization and Ultrafast Electron Transfer Dynamics in CuInS 2 /Organic Molecule Composite by Dana, Jayanta, Houplin, Arthur, Tkachenko, Nikolai V.

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Unusually Strong Biexciton Repulsion Detected in Quantum Confined CsPbBr3 Nanocrystals with Two and Three Pulse Femtosecond Spectroscopy by Dana, Jayanta, Binyamin, Tal, Etgar, Lioz, Ruhman, Sanford

“…Transient absorption measurements were conducted on pristine and monoexciton saturated CsPbBr3 nanocrystals varying in size within the regime of a strong…”
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Correlating Charge‐Carrier Dynamics with Efficiency in Quantum‐Dot Solar Cells: Can Excitonics Lead to Highly Efficient Devices? by Maiti, Sourav, Dana, Jayanta, Ghosh, Hirendra N.

“…The photovoltaic performance of quantum‐dot solar cells strongly depends on the charge‐carrier relaxation and recombination processes, which need to be…”
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Unusually Strong Biexciton Repulsion Detected in Quantum Confined CsPbBr 3 Nanocrystals with Two and Three Pulse Femtosecond Spectroscopy by Dana, Jayanta, Binyamin, Tal, Etgar, Lioz, Ruhman, Sanford

“…Transient absorption measurements were conducted on pristine and monoexciton saturated CsPbBr nanocrystals varying in size within the regime of a strong…”
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Spectator Exciton Effects on Nanocrystal Photophysics II: PbS by Dana, Jayanta, Ghosh, Tufan, Gdor, Itay, Shapiro, Arthur, Lifshitz, Efrat, Ruhman, Sanford

“…The spectator exciton method follows stepwise changes in a nanocrystal’s absorption with the accumulated number of excitons. It involves comparison of…”
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Laterally Bound Co Porphyrin on CdTe QD: A Long-Lived Charge-Separated Nanocomposite by Dana, Jayanta, Khan, Ramsha, Weckman, Timo, Honkala, Karoliina, Tkachenko, Nikolai V.

“…Cobalt porphyrin (CoP) derivatives are potential compounds for photocatalytic CO2 reduction which must be activated by photoinduced electron transfer from a…”
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Impact of one step alloying on the carrier relaxation and charge separation dynamics of CdxZn1-xSe graded nanocrystals by Maity, Partha, Ghorai, Nandan, Dana, Jayanta, Ghosh, Hirendra N.

“…[Display omitted] Slow carrier relaxation and extent of charge separation in semiconductor nanocrystals (NCs) are the desired parameters, which control the…”
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Ultrafast optical properties of stoichiometric and non-stoichiometric refractory metal nitrides TiNx, ZrNx, and HfNx by Judek, Jarosław, Dhama, Rakesh, Pianelli, Alessandro, Wróbel, Piotr, Michałowski, Paweł Piotr, Dana, Jayanta, Caglayan, Humeyra

“…Refractory metal nitrides have recently gained attention in various fields of modern photonics due to their cheap and robust production technology,…”
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Multiple Charge Transfer Dynamics in Colloidal CsPbBr 3 Perovskite Quantum Dots Sensitized Molecular Adsorbate by Maity, Partha, Dana, Jayanta, Ghosh, Hirendra N.

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Electrochemical Evaluation of Dopant Energetics and the Modulation of Ultrafast Carrier Dynamics in Cu-Doped CdSe Nanocrystals by Maiti, Sourav, Dana, Jayanta, Jadhav, Yogesh, Debnath, Tushar, Haram, Santosh K, Ghosh, Hirendra N

“…Cyclic voltammetric and femtosecond transient absorption (TA) measurements on Cu+-doped CdSe nanocrystals (NCs) were utilized to reveal the energetics of the…”
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Biexciton Dissociation Dynamics in Nanohybrid Au–CuInS 2 Nanocrystals by Mondal, Somen, Aepuru, Radhamanohar, Dana, Jayanta, Ghorai, Nandan, Ghosh, Hirendra. N.

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Involvement of Sub-Bandgap States in Subpicosecond Exciton and Biexciton Dynamics of Ternary AgInS 2 Nanocrystals by Dana, Jayanta, Debnath, Tushar, Ghosh, Hirendra N.

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Role of Self-Trapped Excitons in the Broadband Emission of Lead-Free Perovskite-Inspired Cu2AgBiI6 by Grandhi, G. Krishnamurthy, Dhama, Rakesh, Viswanath, Noolu Srinivasa Manikanta, Lisitsyna, Ekaterina S., Al-Anesi, Basheer, Dana, Jayanta, Sugathan, Vipinraj, Caglayan, Humeyra, Vivo, Paola

“…The perovskite-inspired Cu2AgBiI6 (CABI) absorber shows promise for low-toxicity indoor photovoltaics. However, the carrier self-trapping in this material…”
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