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Yoshioka M, Yamauchi M, Tamai N, Masuo S. Single-Photon Emission from Organic Dye Molecules Adsorbed on a Quantum Dot via Energy Transfer. NANO LETTERS 2023; 23:11548-11554. [PMID: 38063468 DOI: 10.1021/acs.nanolett.3c03279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Single-photon emissions from individual emitters are crucial in fundamental science and quantum information technologies. Multichromophoric systems, comprising multiple dyes, can exhibit single-photon emissions through efficient annihilation between the excited states; however, exploring this phenomenon in complex systems remains a challenge. In this study, we investigated the photon statistics of emissions from multiple perylene bisimide (PBI) dyes adsorbed onto the surface of CdSe/ZnS quantum dots (QDs). When multiple PBIs were simultaneously excited by both direct excitation and energy transfer from the QD, multiphoton emissions from the PBIs were observed. Conversely, when the QDs were selectively excited, multiple PBIs exhibiting single-photon emission through energy transfer from the QDs to the PBIs were found. These results highlight the intriguing interplay between multichromophoric systems and QDs, offering valuable insights into the development of efficient single-photon sources in quantum information technologies.
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Affiliation(s)
- Miyu Yoshioka
- Department of Applied Chemistry for Environment, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan
| | - Mitsuaki Yamauchi
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - Naoto Tamai
- Department of Chemistry, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan
| | - Sadahiro Masuo
- Department of Applied Chemistry for Environment, Kwansei Gakuin University, 1 Gakuen Uegahara, Sanda, Hyogo 669-1330, Japan
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2
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Patil RP, Mahadik MA, Chae WS, Jang JS. Understanding systematic growth mechanism of porous Zn 1-xCd xSe/TiO 2 nanorod heterojunction from ZnSe(en) 0.5/TiO 2 photoanodes for bias-free solar hydrogen evolution. J Colloid Interface Sci 2023; 644:246-255. [PMID: 37119642 DOI: 10.1016/j.jcis.2023.04.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 05/01/2023]
Abstract
Herein, a porous Zn1-xCdxSe structure was developed on TiO2 nanorod (NR) array for photoelectrochemical (PEC) application. Firstly, TiO2 NR and ZnO/TiO2 NR photoanode were synthesized via a series of hydrothermal methods on FTO. Next, the solvothermal synthesis method was adopted to develop inorganic-organic hybrid ZnSe(en)0.5 on ZnO /TiO2 NR-based electrode using different concentrations of the selenium (Se). We found that the ZnO NR acts as a mother material for the formation of inorganic-organic hybrid ZnSe(en)0.5, whereas TiO2 NR acts as a building block. In order to further improve the PEC charge transfer performance, inorganic-organic hybrid ZnSe(en)0.5/TiO2 NR electrode was transferred into a porous Zn1-xCdxSe/TiO2 NR photoanode using the Cd2+ ion-exchange method. The optimized porous Zn1-xCdxSe/TiO2 NR -(2) photoanode converted from ZnSe(en)0.5 -(2) electrode (optimized Se concentration) showed a higher photocurrent density of 6.6 mA·cm-2 at applied potential 0 V vs. Ag/AgCl. The enhanced photocurrent density was owing to the effective light absorption, enhanced charge separation, delay the charge recombination, and porous structure of Zn1-xCdxSe. This work highlights the promising strategy for the synthesis of porous Zn1-xCdxSe/TiO2 NR from inorganic-organic ZnSe(en)0.5/TiO2 NR for effective charge separation and prolonging the lifetime during the photoelectrochemical reaction.
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Affiliation(s)
- Ruturaj P Patil
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea
| | - Mahadeo A Mahadik
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea
| | - Weon-Sik Chae
- Daegu Center, Korea Basic Science Institute, Daegu 41566, Republic of Korea.
| | - Jum Suk Jang
- Division of Biotechnology, Safety, Environment and Life Science Institute, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan campus 570-752, Republic of Korea.
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3
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Sun Y, Wang Y, Zhu H, Jin N, Mohammad A, Biyikli N, Chen O, Chen K, Zhao J. Excitation Wavelength-Dependent Photoluminescence Decay of Single Quantum Dots near Plasmonic Gold Nanoparticles. J Chem Phys 2022; 156:154701. [DOI: 10.1063/5.0089090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Changing the excitation wavelength is a simple but effective strategy to modulate the photophysical characteristics of colloidal quantum dots (QDs) near plasmonic nanostructures. It has been observed that the photoluminescence (PL) decay of QDs near plasmonic nanostructures differs when the excitation wavelength is varied, but the exact mechanism is still unclear today. Here, we studied the excitation wavelength dependence of PL decay of CdSe/CdS core/shell QDs near plasmonic gold nanoparticles at the single QD level. With the aid of statistical science, we demonstrated that the PL decay of a single QD near gold nanoparticles is generally faster when the QD is excited spectrally close to the localized surface plasmon resonance of gold nanoparticles. This excitation wavelength dependence is mainly caused by the varied proportion of photons coming from biexciton emission, which is the result of different local electric field enhancement by gold nanoparticles upon excitation.
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Affiliation(s)
- Yonglei Sun
- Institute of Materials Science, University of Connecticut, United States of America
| | | | - Hua Zhu
- Brown University, United States of America
| | - Na Jin
- Brown University, United States of America
| | | | - Necmi Biyikli
- Electrical & Computer Engineering, University of Connecticut, United States of America
| | - Ou Chen
- Chemistry, Brown University, United States of America
| | - Kun Chen
- Statistics, University of Connecticut, United States of America
| | - Jing Zhao
- Chemistry, University of Connecticut, United States of America
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4
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So WY, Abbas S, Li Q, Jin R, Peteanu LA. Single and bi-excitonic characteristics of ligand-modified silicon nanoparticles as demonstrated via single particle photon statistics and plasmonic effects. NANOSCALE 2021; 13:15238-15247. [PMID: 34105572 DOI: 10.1039/d1nr00108f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Silicon nanoparticles (Si NPs) are of great interest to researchers due to their fluorescence properties, low toxicity, and the low cost of the Si precursor. Recent studies have shown that Si NPs surface-modified with secondary aryl amine ligands emit light at wavelengths ranging from cyan to yellow and with quantum yields of up to 90%. The predominant emitting state in these species has been assigned to a charge-transfer (CT) transition from the ligand to the Si particle as the emission wavelength is determined by the dipolar properties of the ligand rather than the size of the Si core. This contribution focuses on the single-molecule emission properties of Si NPs functionalized with a 1,2,3,4-tetrahydrocarbazole-4-one ligand (Te-On) which have a peak emission wavelength of 550 nm and a quantum yield of 90%. In single-particle dispersed emission spectra, a weak long-wavelength sideband is seen in addition to the dominant yellow emission derived from the CT state. The photon statistical behavior of single Si NPs in the red emission region is consistent with that of a state having collective or bi-excitonic character. In contrast, the yellow emission exhibits predominantly CT character. Deposition of the sample onto a thin gold film causes the CT emission to be quenched whereas that attributed to a bi-exciton state of the Si core is enhanced. These results provide new insights into the mechanism of single-molecule intensity fluctuation in these surface-modified silicon nanoparticles that will benefit proposed applications in biological labeling and as single-photon sources.
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Affiliation(s)
- Woong Young So
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
| | - Sikandar Abbas
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
| | - Qi Li
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
| | - Rongchao Jin
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
| | - Linda A Peteanu
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
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5
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Brown D, Deng HY. Hydrodynamic effects on the energy transfer from dipoles to metal slab. J Chem Phys 2021; 155:114109. [PMID: 34551526 DOI: 10.1063/5.0062708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A systematic study of nonlocal and size effects on the energy transfer of a dipole (e.g., a molecule or a quantum dot) induced by the proximity of a metal slab is presented. Nonlocal effects are accounted for using the hydrodynamic model (HDM). We derive a general relation that connects the energy transfer rate to the linear charge density-density response function of the slab. This function is explicitly evaluated for the HDM and the local Drude model. We show that a thin metal slab can support a series of higher-frequency surface plasma wave (SPW) modes in addition to the normal SPW modes, thanks to the nonlocal effects. These modes markedly alter the response and the energy transfer process, as revealed in the structure of the energy transfer rate in the parameter space. Our findings are important for applications such as the recently developed metal-induced energy transfer imaging, which relies on accurate modeling of the energy transfer rate.
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Affiliation(s)
- Daniel Brown
- School of Physics and Astronomy, Cardiff University, 5 The Parade, Cardiff CF24 3AA, Wales, United Kingdom
| | - Hai-Yao Deng
- School of Physics and Astronomy, Cardiff University, 5 The Parade, Cardiff CF24 3AA, Wales, United Kingdom
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Masud AA, Arefin SMN, Fairooz F, Fu X, Moonschi F, Srijanto BR, Neupane KR, Aryal S, Calabro R, Kim DY, Collier CP, Chowdhury MH, Richards CI. Photoluminescence Enhancement, Blinking Suppression, and Improved Biexciton Quantum Yield of Single Quantum Dots in Zero Mode Waveguides. J Phys Chem Lett 2021; 12:3303-3311. [PMID: 33765768 DOI: 10.1021/acs.jpclett.1c00450] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The capability of quantum dots to generate both single and multiexcitons can be harnessed for a wide variety of applications, including those that require high optical gain. Here, we use time-correlated photoluminescence (PL) spectroscopy to demonstrate that the isolation of single CdSeTe/ZnS core-shell, nanocrystal quantum dots (QDs) in Zero Mode Waveguides (ZMWs) leads to a significant modification in PL intensity, blinking dynamics, and biexciton behavior. QDs in aluminum ZMWs (AlZMWs) exhibited a 15-fold increase in biexciton emission, indicating a preferential enhancement of the biexciton radiative decay rate as compared to the single exciton rate. The increase in biexciton behavior was accompanied by a decrease in blinking events due to a shortening in the dark state residence time. These results indicate that plasmon mediated enhanced decay rates of QDs in AlZMWs lead to substantial changes in the photophysical properties of single quantum dots, including an increase in biexciton behavior.
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Affiliation(s)
- Abdullah Al Masud
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - S M Nayeem Arefin
- Department of Electrical and Electronic Engineering, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
| | - Fatema Fairooz
- Department of Electrical and Electronic Engineering, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
| | - Xu Fu
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Faruk Moonschi
- Department of Physiology, University of Kentucky, Lexington, Kentucky 40536, United States
| | - Bernadeta R Srijanto
- Center for Nanophase Materials Sciences, Oakridge National Lab, Oakridge, Tennessee 37831, United States
| | - Khaga Raj Neupane
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Surya Aryal
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Rosemary Calabro
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - Doo-Young Kim
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
| | - C Patrick Collier
- Center for Nanophase Materials Sciences, Oakridge National Lab, Oakridge, Tennessee 37831, United States
| | - Mustafa Habib Chowdhury
- Department of Electrical and Electronic Engineering, Independent University, Bangladesh (IUB), Dhaka, Bangladesh
| | - Christopher I Richards
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
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7
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Nefedkin NE, Andrianov ES, Zyablovsky AA, Pukhov AA, Vinogradov AP, Lisyansky AA. Second-order coherence function of a plasmonic nanoantenna fed by a single-photon source. OPTICS EXPRESS 2019; 27:23396-23407. [PMID: 31510617 DOI: 10.1364/oe.27.023396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 07/27/2019] [Indexed: 06/10/2023]
Abstract
We study the second-order coherence function of a plasmonic nanoantenna fed by near-field of a single-photon source incoherently pumped in the continuous wave regime. We consider the case of a strong Purcell effect, when the single-photon source radiates almost entirely in the mode of a nanoantenna. We show that when the energy of thermal fluctuations, kT, of the nanoantenna is much smaller than the interaction energy between the electromagnetic field of the nanoantenna mode and the single-photon source, ℏΩR, the statistics of the emission is close to that of thermal radiation. In the opposite limit, ℏΩR>>kT, the nanoantenna radiates single photons. In the last case, we demonstrate the possibility of overcoming the radiation intensity of an individual single-photon source. This result opens the possibility of creating a high-intensity single-photon source.
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Ojambati OS, Chikkaraddy R, Deacon WD, Horton M, Kos D, Turek VA, Keyser UF, Baumberg JJ. Quantum electrodynamics at room temperature coupling a single vibrating molecule with a plasmonic nanocavity. Nat Commun 2019; 10:1049. [PMID: 30837456 PMCID: PMC6400948 DOI: 10.1038/s41467-019-08611-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 01/21/2019] [Indexed: 11/08/2022] Open
Abstract
Interactions between a single emitter and cavity provide the archetypical system for fundamental quantum electrodynamics. Here we show that a single molecule of Atto647 aligned using DNA origami interacts coherently with a sub-wavelength plasmonic nanocavity, approaching the cooperative regime even at room temperature. Power-dependent pulsed excitation reveals Rabi oscillations, arising from the coupling of the oscillating electric field between the ground and excited states. The observed single-molecule fluorescent emission is split into two modes resulting from anti-crossing with the plasmonic mode, indicating the molecule is strongly coupled to the cavity. The second-order correlation function of the photon emission statistics is found to be pump wavelength dependent, varying from g(2)(0) = 0.4 to 1.45, highlighting the influence of vibrational relaxation on the Jaynes-Cummings ladder. Our results show that cavity quantum electrodynamic effects can be observed in molecular systems at ambient conditions, opening significant potential for device applications.
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Affiliation(s)
- Oluwafemi S Ojambati
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Rohit Chikkaraddy
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - William D Deacon
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Matthew Horton
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Dean Kos
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Vladimir A Turek
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Ulrich F Keyser
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Jeremy J Baumberg
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK.
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Wax T, Dey S, Chen S, Luo Y, Zou S, Zhao J. Excitation Wavelength-Dependent Photoluminescence Decay of Hybrid Gold/Quantum Dot Nanostructures. ACS OMEGA 2018; 3:14151-14156. [PMID: 31458107 PMCID: PMC6644928 DOI: 10.1021/acsomega.8b01959] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 10/15/2018] [Indexed: 06/10/2023]
Abstract
Hybrid nanostructures comprised of metal nanoparticles (MNPs) and quantum dots (QDs) have been found to exhibit unique, new optical properties due to the interaction that occurs between the MNPs and QDs. The aim of this work is to understand how the exciton-plasmon interaction in these systems is dependent on the excitation wavelength. The nanoassemblies consisted of gold (Au) NPs coated in a silica (SiO2) shell of a controlled thickness and core/shell CdSe/CdS QDs adsorbed onto the SiO2 shells. Our findings show that the photoluminescence lifetimes of the hybrid constructs are dependent on the excitation wavelength relative to the localized surface plasmon resonance (LSPR) of the Au NPs. When the excitation wavelength is closer to the LSPR, the photoluminescence decay of the hybrid structures is faster. We demonstrate that by tuning the excitation wavelength close to the resonance, there is an enhancement in the exciton-plasmon coupling between the Au NPs and QDs resulting in a shortening in the QD photoluminescence lifetime. We then propose a possible mechanism to explain this excitation wavelength-dependent phenomenon.
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Affiliation(s)
- Terianna
J. Wax
- Department
of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States
| | - Swayandipta Dey
- Department
of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States
| | - Shutang Chen
- Department
of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States
| | - Yi Luo
- Department
of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States
| | - Shengli Zou
- Institute
of Materials Science, University of Connecticut, 97 North Eagleville Road, Storrs, Connecticut 06269-3136, United States
| | - Jing Zhao
- Department
of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, United States
- Department
of Chemistry, University of Central Florida, 4000 Central Florida Blvd., Orlando, Florida 32816, United States
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