Bibliografías temáticas / Nonradiative energy transfer

Literatura académica sobre el tema "Nonradiative energy transfer"

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Publicado: 6 de septiembre de 2023

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Artículos de revistas sobre el tema "Nonradiative energy transfer"

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Tewari, K. K. y S. D. Pandey. "Pb2+→Mn2+nonradiative energy transfer in KBr". Physical Review B 40, n.º 4 (1 de agosto de 1989): 2101–8. http://dx.doi.org/10.1103/physrevb.40.2101.

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Suchocki, Andrzej, Zbigniew Kalinski, Jerzy M. Langer y Richard C. Powell. "Nonradiative energy‐transfer processes in Cd1−xMnxF2crystals". Journal of Applied Physics 71, n.º 1 (enero de 1992): 28–36. http://dx.doi.org/10.1063/1.350703.

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Stepashkina, A. S., D. M. Samosvat, O. P. Chikalova-Luzina y G. G. Zegrya. "Nonradiative resonance energy transfer between quantum dots". Journal of Physics: Conference Series 461 (28 de agosto de 2013): 012001. http://dx.doi.org/10.1088/1742-6596/461/1/012001.

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Basun, S. A., S. P. Feofilov y A. A. Kaplyanskii. "Fast resonant nonradiative energy transfer in alexandrite". Journal of Luminescence 48-49 (enero de 1991): 166–70. http://dx.doi.org/10.1016/0022-2313(91)90097-f.

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Prochazka, K., B. Bednar, E. Mukhtar, P. Svoboda, J. Trnena y M. Almgren. "Nonradiative energy transfer in block copolymer micelles". Journal of Physical Chemistry 95, n.º 11 (mayo de 1991): 4563–68. http://dx.doi.org/10.1021/j100164a069.

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Bililign, Solomon, Brian C. Hattaway y Gwang-Hi Jeung. "Nonradiative Energy Transfer in Li*(3p)−CH4Collisions". Journal of Physical Chemistry A 106, n.º 2 (enero de 2002): 222–27. http://dx.doi.org/10.1021/jp012616w.

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Guzelturk, Burak, Murat Olutas, Savas Delikanli, Yusuf Kelestemur, Onur Erdem y Hilmi Volkan Demir. "Nonradiative energy transfer in colloidal CdSe nanoplatelet films". Nanoscale 7, n.º 6 (2015): 2545–51. http://dx.doi.org/10.1039/c4nr06003b.

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Kaur, Amrita, Pardeep Kaur y Sahil Ahuja. "Förster resonance energy transfer (FRET) and applications thereof". Analytical Methods 12, n.º 46 (2020): 5532–50. http://dx.doi.org/10.1039/d0ay01961e.

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Samosvat, D. M., O. P. Chikalova-Luzina y G. G. Zegrya. "Nonradiative resonance energy transfer between semiconductor quantum dots". Journal of Experimental and Theoretical Physics 121, n.º 1 (julio de 2015): 76–95. http://dx.doi.org/10.1134/s1063776115060138.

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MORAWETZ, H. "Studies of Synthetic Polymers by Nonradiative Energy Transfer". Science 240, n.º 4849 (8 de abril de 1988): 172–76. http://dx.doi.org/10.1126/science.240.4849.172.

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Tesis sobre el tema "Nonradiative energy transfer"

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Zhao, Pihong. "Nonradiative energy transfer in solutions". Scholarly Commons, 1994. https://scholarlycommons.pacific.edu/uop_etds/2807.

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Electronic excitation energy transfer from coumarins to xanthene dyes in different media has been investigated. Nonradiative energy transfer between coumarin 1 (d) and fluorescein (a), in 95% ethanol and in n-octanol takes place with critical transfer distances: 48.4 A (d-a) and 21.0 A (d-d) in 95% ethanol, and 46.4 A (d-a) and 25.4 A (d-d) in 1-octanol. The rate constants of nonradiative energy transfer and energy migration in these two solvents were compared with the rates of diffusion. Energy transfer in the three-component system coumarin 1/fluorescein/rhodamine B, was studied. The critical transfer distances between each two of the three components were: 48.4 A for coumarin 1/fluorescein; 42.2 A for coumarin 1/rhodamine B; and 65.5 A for fluorescein rhodamine B respectively. The quantitative description of this three component system indicates that, using our modified correction factors, the experimental data coincided satisfactorily with Kusba-Bojarski general equations of multi-component luminescence system. Nonradiative energy transfer between coumarin 6 and rhodamine 3B in poly-(methyl methacrylate) was studied. The fluorescence quantum yields of coumarin 6 in the monomer and polymer were measured to be 1.00 and 0.94 respectively. The calculated critical transfer distances were: 50.0 A (d-a) and 38.9 A (d-d) in the monomer; and 47.7 A (d-a) and 38.2 A (d-d) in the polymer. Unexpected high energy transfer efficiency was observed in the polymer. Environmental effects on the fluorescence of the fluorophore and the mechanism of energy transfer in fluid and rigid solutions were discussed. Fluorescence quantum yields of coumarin 1 in various alcohols were measured to be: 0.573 in 95% ethanol; 0.688 in ethanol; 0.826 in n-propanol; 0.814 in n-butanol; 0.818 in n-pentanol; 0.912 in n-hexanol; 0.846 in n-heptanol; 0.869 in n-octanol; 0.876 in n-nonanol and 0.882 in n-decanol. The fluorescence lifetimes of coumarin 1 in these alcohols, were calculated to be: 2.23; 3.20; 3.67; 3.42; 3.76; 3.47; 3.35; 3.88; 3.64; and 3.57 ns respectively. Solvent effects on the quantum yields were discussed.
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Dandu, Medha. "Tailoring optical and electrical characteristics of layered materials through van der Waals heterojunctions". Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5623.

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The feasibility of isolation of layered materials and arbitrary stacking of different materials provide plenty of opportunities to realize van der Waals heterostructures (vdWhs) with desired characteristics. In this thesis, we experimentally demonstrate the tunability of optical and electrical characteristics of transition metal dichalcogenides (TMDs), a class of layered materials, using their vdWhs. Monolayer (1L) TMDs exhibit remarkable light-matter interaction by hosting direct bandgap, strongly bound excitonic complexes, ultra-fast radiative decay, many-body states, and coupled spin-valley degrees of freedom. However, their sub-nm thickness limits light absorption, impairing their viability in photonic and optoelectronic applications. The physical proximity of layers in vdWhs drives strong interlayer dipole-dipole coupling resulting in nonradiative energy transfer (NRET) from one layer (donor) to another (acceptor) under spectral resonance. Motivated by the high efficiency of NRET in vdWhs, we study the prospect of enhancement of optical properties of a 1L-TMD stacked on top of strongly absorbing, non-luminescent, multilayer SnSe2 whose direct bandgap is close to exciton emission of 1L-TMDs – MoS2 and WS2. We show that NRET enhances both single-photon and two-photon luminescence by one order of magnitude in such vdWhs. We also demonstrate a new technique of Raman enhancement driven by NRET in vdWhs. We achieve a 10-fold enhancement in the Raman intensity, enabling the observation of the otherwise invisible weak Raman modes. We establish the evidence for NRET-aided photoluminescence (PL) and Raman enhancement by modulating the degree of enhancement by systematically varying multiple parameters - donor material, acceptor material, their thickness, physical separation between donor and acceptor by insertion of spacer layer (hBN), sample temperature, and excitation wavelength. We also use the above parameters to decouple the effects of charge transfer and optical interference from NRET and establish a lower limit of the NRET-driven enhancement factor. We significantly modulate the strength of NRET by controlling the spectral overlap between 1L-TMD and SnSe2 through temperature variation. We show a remarkable agreement between such temperature-dependent Raman enhancement and the NRET-driven Raman polarizability model. We emphasize the advantages of using SnSe2 as a donor and elucidate the impact of various parameters on the PL enhancement using a rate equation framework. This NRET-driven enhancement can be used in tandem with other techniques and thus opens new avenues for improving quantum efficiency, coupling the advantages of uniform enhancement accessible across the entire junction area of vdWhs. Further, we study the role of NRET in photocurrent generation across vdWhs by designing a vertical junction of SnSe2/multilayer-MoS2/TaSe2. We report the observation of an unusual negative differential photoconductance (NDPC) behaviour arising from the existence of NRET across the SnSe2/MoS2 junction. The modulation of NRET-driven NDPC characteristics with incident optical power results in a striking transition of the photocurrent's power law from sublinear to a superlinear regime. These observations highlight the nontrivial impact of NRET on the photoresponse of vdWhs and unfold possibilities to harness NRET in synergy with charge transfer. The stacking angle between the individual layers in vdWhs provides another knob to tune their properties. The emergence of moiré patterns in twisted vdWhs creates superlattices where electronic bands fold into a series of minibands, inducing new phenomena. We experimentally demonstrate the PL emission from the moiré superlattice-induced intralayer exciton minibands in twisted TMD homobilayers using artificially stacked 1L-MoS2 layers at minimal twist angles. We also show the electrical tunability of these moiré excitons and the evolution of distinct moiré trions. We experimentally discern the localized versus delocalized nature of individual moiré peaks through different regimes of gating and optical excitation. Further, we discuss the gate-controlled valley coherence and resonant Raman scattering of moiré excitons. These experimental results provide unique insights into the moiré modulated optical properties of twisted bilayers. Next, we focus on tuning the electrical characteristics of vdWhs to realize ambipolar injection, which is useful for LED and CMOS applications. vdW contacts offer atomically smooth and pristine interfaces without dangling bonds, coupled with a weak interaction at the interface. Such contacts help to achieve a completely de-pinned contact close to the Schottky-Mott limit. We demonstrate the weakly pinned nature of a vdW contact (TaSe2) by realizing improved ambipolar carrier injection into few-layer WS2 and WSe2 channels (compared to Au). Backward diodes offer a superior high-frequency response, temperature stability, radiation hardness, and 1/f noise performance than a conventional diode. We demonstrate a vdWh based backward diode by exploiting the giant staggered band offsets of the WSe2/SnSe2 junction. The diode exhibits an ultra-high reverse rectification ratio of ~2.1*10^4 up to a substantial bias of 1.5 V, with an excellent curvature coefficient of ~37 V^{-1}, outperforming existing backward diode reports. We efficiently modulate the carrier transport by varying the thickness of the WSe2 layer, the type of metal contacts employed, and the external gate and drain bias. We also show that the effective current transfer length at the vertical junction in vdWhs can be as large as the whole interface, which is in sharp contrast to the smaller transfer length (~100 nm) in typical metal-layered semiconductor junctions. The results from this thesis widen the horizon for practical electronic, photonic, and optoelectronic applications of vdWhs.
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Libros sobre el tema "Nonradiative energy transfer"

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Armağan, Güzin. Radiative and nonradiative energy transfer between Cr3+ and Nd3+ in GSGG. 1987.

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Capítulos de libros sobre el tema "Nonradiative energy transfer"

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Buoncristiani, A. M., G. Armagan, B. Di Bartolo y J. J. Swetits. "Energy Transfer in Cr, Tm:YAG". En Advances in Nonradiative Processes in Solids, 387–96. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-4446-0_12.

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Govorov, Alexander, Pedro Ludwig Hernández Martínez y Hilmi Volkan Demir. "Förster-Type Nonradiative Energy Transfer Models". En Understanding and Modeling Förster-type Resonance Energy Transfer (FRET), 19–27. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-378-1_3.

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Demchenko, Alexander P. "Nonradiative Transfer of Electronic Excitation Energy". En Ultraviolet Spectroscopy of Proteins, 183–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70847-3_10.

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Hernández Martínez, Pedro Ludwig, Alexander Govorov y Hilmi Volkan Demir. "Nonradiative Energy Transfer in Assembly of Nanostructures". En Understanding and Modeling Förster-type Resonance Energy Transfer (FRET), 27–38. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1873-2_3.

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Hernández Martínez, Pedro Ludwig, Alexander Govorov y Hilmi Volkan Demir. "Förster-Type Nonradiative Energy Transfer Rates for Nanostructures with Various Dimensionalities". En Understanding and Modeling Förster-type Resonance Energy Transfer (FRET), 9–25. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1873-2_2.

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Morawetz, H. "Characterization of the Interpenetration of Chain Molecules by Nonradiative Energy Transfer". En Photophysical and Photochemical Tools in Polymer Science, 547–59. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4726-9_24.

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Armagan, G. y B. Di Bartolo. "Radiative and Nonradiative Energy Transfer Between Cr3+ and Nd3+ in GSGG". En Springer Series in Optical Sciences, 35–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-540-47433-3_5.

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Hernández Martínez, Pedro Ludwig, Alexander Govorov y Hilmi Volkan Demir. "Applying Förster-Type Nonradiative Energy Transfer Formalism to Nanostructures with Various Directionalities: Dipole Electric Potential of Exciton and Dielectric Environment". En Understanding and Modeling Förster-type Resonance Energy Transfer (FRET), 1–8. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1873-2_1.

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"Appendix H: The Mechanism of Nonradiative Energy Transfer". En Transitions in Molecular Systems, 287–91. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527630219.app8.

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Actas de conferencias sobre el tema "Nonradiative energy transfer"

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Higgins, L. J., X. Zhang, C. A. Marocico, G. P. Murphy, V. K. Karanikolas, Y. K. Gun'ko, V. Lesnyak et al. "Enhancing Förster nonradiative energy transfer via plasmon interaction". En SPIE Photonics Europe, editado por David L. Andrews, Jean-Michel Nunzi y Andreas Ostendorf. SPIE, 2016. http://dx.doi.org/10.1117/12.2229032.

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Clapp, Aaron R., Thomas Pons, Hedi Mattoussi, Igor L. Medintz y Joseph S. Melinger. "Two-Photon Excitation of Quantum Dot Based Nonradiative Energy Transfer". En Biomedical Topical Meeting. Washington, D.C.: OSA, 2006. http://dx.doi.org/10.1364/bio.2006.sf5.

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Ushakova, Elena V., Aleksandr P. Litvin, Peter S. Parfenov, Anatoly V. Fedorov, Sergei A. Cherevkov y Alexander V. Baranov. "Nonradiative resonant energy transfer between PbS QDs in porous matrix". En SPIE NanoScience + Engineering, editado por Stefano Cabrini, Gilles Lérondel, Adam M. Schwartzberg y Taleb Mokari. SPIE, 2013. http://dx.doi.org/10.1117/12.2023035.

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Gough, J. J., M. O'Brien, N. McEvoy, A. P. Bell, G. S. Duesberg y A. L. Bradley. "Enhancing the electrical properties of MoS2 through nonradiative energy transfer". En 2017 11th International Congress on Engineered Materials Platforms for Novel Wave Phenomena (Metamaterials). IEEE, 2017. http://dx.doi.org/10.1109/metamaterials.2017.8107862.

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Luo, Yang, Hangyong Shan, Xiaoqing Gao, Pengfei Qi y Zheyu Fang. "Enhanced Photoluminescence of Heterostructure: Energy Transfer and Nonradiative Exciton Relaxation Suppression". En CLEO: Applications and Technology. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/cleo_at.2020.jw2f.10.

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Evans, Jonathan W., Thomas R. Harris, Eric J. Turner, Martin M. Kimani, J. M. Mann, Ronald W. Stites, Gary Cook y Kenneth L. Schepler. "Re-absorption and nonradiative energy transfer in vibronic laser gain media". En Solid State Lasers XXVII: Technology and Devices, editado por W. Andrew Clarkson y Ramesh K. Shori. SPIE, 2018. http://dx.doi.org/10.1117/12.2290822.

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Palm, Jorg, F. Gan y Lionel C. Kimerling. "Nonradiative energy back transfer from erbium in silicon by impurity Auger process". En Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth and Transitional Ions, editado por Alexander I. Ryskin y V. F. Masterov. SPIE, 1996. http://dx.doi.org/10.1117/12.229162.

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Gough, John J., Niall McEvoy, Maria O'Brien, Alan P. Bell, John McManus, David McCloskey, John B. Boland, Jonathan N. Coleman, Georg S. Duesberg y A. Louise Bradley. "Nonradiative Energy Transfer and Photocurrent Enhancements in Hybrid Quantum Dot-MoS2 Devices". En 2018 20th International Conference on Transparent Optical Networks (ICTON). IEEE, 2018. http://dx.doi.org/10.1109/icton.2018.8473673.

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Golmakaniyoon, Sepideh, Hilmi V. Demir y Xiao Wei Sun. "Nonradiative energy transfer in a layered metal-dielectric nanostructure mediated by surface plasmons". En SPIE Nanoscience + Engineering, editado por Allan D. Boardman y Din Ping Tsai. SPIE, 2015. http://dx.doi.org/10.1117/12.2187970.

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Yeltik, Aydan, Burak Guzelturk, Pedro Ludwig Hernandez Martinez y Hilmi Volkan Demir. "Phonon-assisted nonradiative energy transfer from colloidal quantum dots to monocrystalline bulk silicon". En 2012 IEEE Photonics Conference (IPC). IEEE, 2012. http://dx.doi.org/10.1109/ipcon.2012.6358845.

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