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Green Light from Red-Emitting Nanocrystals: Broadband, Low-Threshold Lasing from Colloidal Quantum Shells in Optical Nanocavities

Kehui Zhao, Xiaohe Zhou, Xi Li, Jiyoung Moon, James Cassidy, Dulanjan Harankahage, Zhongjian Hu, Steve M Savoy, Qing Gu, Mikhail Zamkov, Anton V Malko

Heralded Generation of Correlated Photon Pairs from CdS/CdSe/CdS Quantum Shells

Andrew A Marder, Sean S Smith, James Cassidy, Dulanjan Harankahage, Zhongjian Hu, Steve M Savoy, George C Schatz, Mikhail Zamkov, Anton V Malko

Systems and methods for electroluminescent devices including quantum shells embedded in a perovskite host

Jason D Slinker, Aditya Kumar Mishra, Anton V Malko

Broadband, low-threshold optically pumped lasing based on CdS/CdSe/CdS spherical quantum wells in Si-based nanopillar optical cavities

Anton V Malko

Electrical transport crossover and large magnetoresistance in selenium deficient van der Waals HfSe2-x

Wenhao Liu Yangzi Zheng, Aswin Lakshmi Narayanan Kondusamy, David L Scherm, Anton Malko, Bing Lv

Control of light-matter interactions in hybrid structured environments with novel nanomaterials of different dimensionalities

Anton V Malko, Yuri Gartstein, Joshua Robinson

Quantum shell in a shell: engineering colloidal nanocrystals for a high-intensity excitation regime

Dulanjan Harankahage, James Cassidy, Jacob Beavon, Jiamin Huang, Niamh Brown, David B Berkinsky, Andrew Marder, Barbra Kayira, Michael Montemurri, Pavel Anzenbacher, Richard D Schaller, Liangfeng Sun, Moungi G Bawendi, Anton V Malko, Benjamin T Diroll, Mikhail Zamkov

CdS/CdSe/CdS spherical quantum wells with near-unity biexciton quantum yield for light-emitting-device applications

Andrew A Marder, James Cassidy, Dulanjan Harankahage, Jacob Beavon, Luis Gutiérrez-Arzaluz, Omar F Mohammed, Aditya Mishra, Austen C Adams, Jason D Slinker, Zhongjian Hu, Stephen Savoy, Mikhail Zamkov, Anton V Malko

Highly emissive zero-dimensional cesium lead iodide perovskite nanocrystals with thermally activated delayed photoluminescence

Xiaohe Zhou, Riya Bose, Xiangyu Zhu, Abhas Mehta, Moon J Kim, Anton V Malko

Ultrafast Charge Recombination Mechanism in Single 0D All-inorganic Perovskite Nanocrystals

Xiaohe Zhou, Anton V Malko, Yuri Gartstein, Fan Zhang, Shengwang Du, Jason D Slinker

3d-0d perovskite light-emitting electrochemical cells

Jason D Slinker, Aditya Kumar Mishra, Riya Bose, Anton Malko

Photoexcitation dynamics and long-lived excitons in strain-engineered transition metal dichalcogenides

Anton V Malko, Navendu Mondal, Nurul Azam, Yuri Gartstein, Masoud Mahjouri-Samani

Photoexcitation dynamics and long‐lived excitons in strain‐engineered transition metal dichalcogenides

Navendu Mondal, Nurul Azam, Yuri N Gartstein, Masoud Mahjouri‐Samani, Anton V Malko

Photoexcitation dynamics and long‐lived excitons in strain‐engineered transition metal dichalcogenides

Navendu Mondal, Nurul Azam, Yuri N Gartstein, Masoud Mahjouri‐Samani, Anton V Malko

Quantum shells boost the optical gain of lasing media

James Cassidy, Benjamin T Diroll, Navendu Mondal, David B Berkinsky, Kehui Zhao, Dulanjan Harankahage, Dmitry Porotnikov, Reagan Gately, Dmitriy Khon, Andrew Proppe, Moungi G Bawendi, Richard D Schaller, Anton V Malko, Mikhail Zamkov

Stable and Bright Electroluminescent Devices Utilizing Emissive 0D Perovskite Nanocrystals Incorporated in a 3D CsPbBr3 Matrix

Aditya Mishra, Riya Bose, Yangzi Zheng, Weijie Xu, Reema McMullen, Abhas B Mehta, Moon J Kim, Julia WP Hsu, Anton V Malko, Jason D Slinker

Colloidal quantum shells: an emerging 2D semiconductor for energy applications

James Cassidy, Dulanjan Harankahage, Dmitry Porotnikov, Anton V Malko, Mikhail Zamkov

Electrochemical characterization of halide perovskites: Stability & doping

Sauraj Jha, Mehedhi Hasan, Nischal Khakurel, Conor A Ryan, Reema McMullen, Aditya Mishra, Anton V Malko, Alexander A Zakhidov, Jason D Slinker

Ultra-Efficient Optical Gain and Lasing in MDACl₂-Doped Perovskite Thin Films

Shanshan Zhang, Luis Gutiérrez-Arzaluz, Jun Yin, Nimer Wehbe, Bingyao Shao, Rounak Naphade, Tengyue He, Partha Maity, Osman M Bakr, Anton V Malko, Omar F Mohammed

Elucidating Diiodomethane-Induced Improvement in Photonically Cured MAPbI₃ Solar Cells

Weijie Xu, Robert T Piper, Yangzi Zheng, Anton V Malko, Julia WP Hsu

Strong Purcell enhancement at telecom wavelengths afforded by spinel Fe 3 O 4 nanocrystals with size-tunable plasmonic properties

Ekaterina A Dolgopolova, Dongfang Li, Steven T Hartman, John Watt, Carlos Ríos, Juejun Hu, Ravi Kukkadapu, Joanna Casson, Riya Bose, Anton V Malko, Anastasia V Blake, Sergei Ivanov, Oleksiy Roslyak, Andrei Piryatinski, Han Htoon, Hou-Tong Chen, Ghanshyam Pilania, Jennifer A Hollingsworth

Revealing the Low-Temperature Interplay of Electronic, Ionic, and Optical Effects in Perovskite Electroluminescent Devices

Melanie H Bowler, Conor A Ryan, Aditya Mishra, Anton V Malko, Jason D Slinker

LOW-TEMPERATURE OPERATION OF PEROVSKITE LIGHT-EMITTING ELECTROCHEMICAL CELLS

Melanie H Bowler, Aditya Mishra, Conor A Ryan, Anton V Malko, Jason D Slinker

Single-Particle Spectroscopy as a Versatile Tool to Explore Lower-Dimensional Structures of Inorganic Perovskite

Riya Bose, Xiaohe Zhou, Tianle Guo, Haoze Yang, Jun Yin, Aditya Mishra, Jason D. Slinker, Osman M. Bakr, Omar F. Mohammed, and Anton V. Malko

ACS Energy Lett. 2021, 6, 10, 3695–3708`

Single photon sources with near unity collection efficiencies by deterministic placement of quantum dots in nanoantennas

H. Abudayyeh, B. Lubotzky, A. Blake, J. Wang, S. Majumder, Z. Hu, Y. Kim, H. Htoon, R. Bose, A. V. Malko, J. A. Hollingsworth, R. Rapaport

Gentle Materials Need Gentle Fabrication: Encapsulation of Perovskites by Gas-Phase Alumina Deposition

R. Bose, J. Yin, Y. Zheng, C. Yang, Y. N. Gartstein, O. M. Bakr, A. V. Malko, O. F. Mohammed

PbS/CdS Quantum Dot Room-Temperature Single-Emitter Spectroscopy Reaches the Telecom O and S Bands via an Engineered Stability

S. Krishnamurthy, A. Singh, Z. Hu, A. V. Blake, Y. Kim, A. Sing, E. Dolgopolova, D. J. Williams, A. Piryatinksi, A. V. Malko, H. Htoon, M. Sykora, and J. A. Hollingsworth

Light Propagation and Radiative Exciton Transport in Two-Dimensional Layered Perovskite Microwires

Y. Zheng, R. Naphade, N. Mondal, O. M. Bakr, O. F. Mohammed, Y. N. Gartstein, A. V. Malko

Interface Matters: Enhanced Photoluminescence and Long-Term Stability of Zero-Dimensional Cesium Lead Bromide Nanocrystals via Gas-Phase Aluminum Oxide Encapsulation

R. Bose, Y. Zheng, T. Guo, J. Yin, M. N. Hedhili, X. Zhou, J.-F. Veyan, I. Gereige, A. Al-Saggaf, Y. N. Gartstein, O. M. Bakr, O. F. Mohammed, A. V. Malko

Correlation of Photoluminescence and Structural Morphologies at the Individual Nanoparticle Level

L. Gutiérrez-Arzaluz, G. H. Ahmed, H. Yang, S. Shikin, O. M. Bakr, A. V. Malko, O. F. Mohammed

Fluorescence Enhancement in the Solid State by Isolating Perylene Fluorophores in Metal–Organic Frameworks

J. Li, S. Yuan, J.-S. Qin, L. Huang,R. Bose, J. Pang, P. Zhang,Z. Xiao, K. Tan,^. A. V. Malko, T. Cagin, H.-C. Zhou

Dynamical Interconversion between Excitons and Geminate Charge Pairs in Two-Dimensional Perovskite Layers Described by the Onsager–Braun Model

N. Mondal, R. Naphade, X. Zhou, Y. Zheng, K. Lee, I. Gereige, A. Al-Saggaf, O. Bakr, O. Mohammed, Y. Gartstein, A. V. Malko

Intrinsic exciton photophysics of lead salt nanocrystals revealed by low-temperature single dot spectroscopy

Z. Hu, Y. Kim, S. Krishnamurthy, I. D. Avdeev, M. O. Nestoklon, S. V. Goupalov, A. Singh, A. V. Malko, J. A. Hollingsworth, H. Htoon

Emergence of Multiple Fluorophores in Individual Cesium Lead Bromide Nanocrystals

Yuhai Zhang, Tianle Guo, Haoze Yang, Riya Bose, Lingmei Liu, Jun Yin, Yu Han, Osman M. Bakr, Omar F. Mohammed & Anton V. Malko

Metal Halide Perovskite Nanosheets for X-ray High-Resolution Scintillation Imaging Screens

Y. Zhang, R. Sun, X. Ou, K. Fu, Q. Chen, Y. Ding, L. Xu, L. Liu, Y. Han, A. V. Malko, X. Liu, H. Yang, O. M. Bakr, H. Liu, O. F. Mohammed

Engineering Multilayered Nanocrystal Solids with Enhanced Optical Properties Using Metal Oxides for Photonic Applications

R. Bose, A. Dangerfield, S. M. Rupich, T. Guo, Y. Zheng, S. Kwoon, M. J. Kim, Y. N. Gartstein, A. Esteve, Y. J. Chabal and A. V. Malko

Guiding and binding of cavity photons with patterned two-dimensional semiconductors

Y. N. Gartstein and A. V. Malko

Efficient photon recycling and radiation trapping in cesium lead halide perovskite waveguides

I. Dursun, Y. Zheng, T. Guo, M. de Bastiani, B. Turedi, L. Sinatra, Md. A. Haque, B. Sun, A. A. Zhumekenov, M. Saidaminov, G. de Arquer, F. Pelayo, E. Sargent, T. Wu, Y. N. Gartstein, O. M. Bakr, O. F. Mohammed and A. V. Malko

Biexciton and Trion Energy Transfer from CdSe/CdS Giant Nanocrystals to Si Substrates

T. Guo, S. Sampat, S. M. Rupich, J. A. Hollingsworth, M. Buck, H. Htoon, Y. J. Chabal, Yu. N. Gartstein, and A. V. Malko

Propagation and absorption of light in planar dielectric waveguides with two-dimensional semiconductors

Yu. N. Gartstein and A. V. Malko

Ultralong Radiative States in Hybrid Perovskite Crystals: Compositions for Submillimeter Diffusion Length

E. Alarousu, A. M. El-Zohry, J. Yin, A. A. Zhumekenov, C. Yang, E. Elhabshi, I. Gereige, A. AlSaggaf , A. Malko, O. M. Bakr and O. F. Mohammed

Giant PbSe/CdSe/CdSe Quantum Dots: Crystal Structure-limited Ultrastable Near-infrared Photoluminescence from Single Nanocrystals

C. J. Hanson, N. F. Hartmann, A. Singh, X. Ma, W. J. I. DeBenedetti, J. L. Casson, J. K. Grey, Y. J. Chabal, A. V. Malko, M. Sykora, A. Piryatinksi, H. Htoon, and J. A. Hollingsworth

Oxide-related defects in quantum dot containing Si-rich silicon nitride films

L. A. Walsh, S. Mohammed, S. C. Sampat, Y. J. Chabal, A. V. Malko, C. L. Hinkle

Energy Transfer from Colloidal Nanocrystals to Strongly Absorbing Perovskites

Y. Cabrera, S. M. Rupich, R. Shaw, B. Anand, M. de Anda Villa, R. Rahman, A. Dangerfield, Y. N. Gartstein, A. V. Malko, and Y. J. Chabal

Understanding the Superior Temperature Stability of Iridium Light-Emitting Electrochemical Cells

M. H. Bowler, T. Guo, L. D. Bastatas, M. D. Moore, A. V. Malko and J. D. Slinker

Using shape to turn off blinking for two-colour multiexciton emission in CdSe/CdS tetrapods

C. N. Mishra, N. J. Orfield,  F. Wang, Z. Hu, S. Krishnamurthy, A. V. Malko, J. L. Casson, H. Htoon, M. Sykora, J. A. Hollingsworth

Order of magnitude enhancement of monolayer MoS2 photoluminescence due to near-field energy influx from nanocrystal films

T. Guo, S. Sampat, K. Zhang, J. A. Robinson, S. M. Rupich, Y. J. Chabal, Yu. N. Gartstein, and A. V. Malko

Quantitative Analyses of Competing Photocurrent Generation Mechanisms in Fullerene-Based Organic Photovoltaics

L. Xu, J. Wang, M. De Anda Villa, T. Daunis, Y.-J. Lee, A. V. Malko, and J. W. P. Hsu

Broadband transient absorption study of photoexcitations in lead halide perovskites: towards a multi-band picture

B. Anand, S. Sampat, E. Danilov, W. Peng, S. M. Rupich, Y. N. Gartstein, Y. J. Chabal and A. V. Malko

Exciton and Trion Energy Transfer from Giant Semiconductor Nanocrystals to MoS2 Monolayers

S. Sampat, T. Guo, K. Zhang, J. Robinson, H. Htoon, J. A. Hollingsworth, Y. N. Gartstein and A. V. Malko

Controlled Deposition of High Quality Nanocrystal Multilayers Structures for Optoelectronic Applications

S. M. Rupich, Y. N. Gartstein, Y. J. Chabal, and A. V. Malko

Influence of growth temperature on bulk and surface defects in hybrid lead halide perovskite films

W. Peng, B. Anand, L. Liu, S. Sampat, B. E. Bearden, A. V. Malko and Y. J. Chabal

Effects of Contact-induced Doping on the Behaviors of Organic Photovoltaic Devices

J. Wang, L. Xu, Y.-J. Lee, M. De Anda Villa, A. V. Malko and J. W. P. Hsu

Multistate blinking and scaling of the recombination rates in individual silica-coated CdSe/CdS nanocrystals

S. Sampat, N. S. Karan, T. Guo, H. Htoon, J. A. Hollingsworth, and A. V. Malko

Silicon surface modification and characterization for emergent photovoltaic applications based on energy transfer

W. Peng, S. M. Rupich, N. Shafiq, Y. N. Gartstein, A. V. Malko, and Y. J. Chabal

Hybrid light sensor based on ultrathin Si nanomembranes sensitized with CdSe/ZnS colloidal nanocrystal quantum dots

W. Peng, S. Sampat, S. M. Rupich, B. Anand, H. M. Nguyen, D. Taylor, B. E. Beardon, Y. N. Gartstein, Y. J. Chabal and A. V. Malko

Plasmonic Giant Quantum Dots: Hybrid Semiconductor-Metal Nanostructures for Truly Simultaneous Optical Imaging, Photothermal Effect and Thermometry

N. S. Karan, A. M. Keller, S. Sampat, O. Roslyak, A. Arefin, C. J. Hanson, J. L. Casson, A. Desireddy, A. Piryatinski, R. Iyer, H. Htoon, A. Malko and J. A. Hollingsworth

Chem. Science, 6, 2224-2236 (2015); doi: 10.1039/C5SC00020C

Tunable Charge Transfer Dynamics at Tetracene/LiF/C60 Interfaces

S. Sampat, A. D. Mohite, B. Crone, S. Tretiak, A. V. Malko, A. J. Taylor, and D. A. Yarotski

J. Phys. Chem. C 119 (3), 1286–1290 (2015); doi: 10.1021/jp5095905

Efficient directed energy transfer through size-gradient nanocrystal layers into Silicon substrates

W. J. I. DeBenedetti, M. T. Nimmo, S. M. Rupich, L. M. Caillard, Yu. N. Gartstein, Y. J. Chabal, and A. V. Malko

Advanced Functional Materials, 24, 5002–5010

Influence of the Core Size on Biexciton Quantum Yield of Giant CdSe/CdS Nanocrystals

B. D. Mangum, S. Sampat, Y. Ghosh, J. A. Hollingsworth, H. Htoon, and A. V. Malko

Nanoscale, 6 (7), 3712 – 3720

Chemical bonding and defect states of LPCVD grown silicon-rich Si3N4 for quantum dot applications

S. Mohammed, M. T. Nimmo, A. V. Malko and C. L. Hinkle

J. Vac. Sci. Technol. A 32, 021507

Energy Transfer from Colloidal Nanocrystals into Si Substrates Studied via Photoluminescence Photon Counts and Decay Kinetics

H. M. Nguyen, O. Seitz, Yu. N. Gartstein, Y. J. Chabal, and A. V. Malko

J. Opt. Soc. Am. B 30 (9), 2401-2408

Anisotropic optical properties of thin-film thiacarbocianine dye aggregates

K. Roodenko, H. M. Nguye, L. Caillard, A. Radja, P. Thissen, J. M. Gordon, Yu. N. Gartstein, A. V. Malko, and Y. J. Chabal

J. Phys. Chem. C 117, 20186-20192

Visible to Near Infrared Sensitization of Silicon Substrates via Energy Transfer from Proximal Nanocrystals: Further Insights for Hybrid Photovoltaics

M. T. Nimmo, L. M. Caillard, W. De Benedetti, H. M. Nguyen, O. Seitz, Y. N. Gartstein, Y. J. Chabal and A. V. Malko

ACS Nano 7, 3236-3245 (2013)

Effect of Plasmonic Au Nanoparticles on Inverted Organic Solar Cell Performance

J. Wang, Y.-J. Lee, A. S. Chadha, J. Yi, M. L. Jespersen, J. J. Kelley, H. M. Nguyen, M. Nimmo, A. V. Malko, R. A. Vaia, W. Zhou and J. W. P. Hsu

J. Phys. Chem. C 117, 85-91 (2013)

Efficient Radiative and Nonradiative Energy Transfer from Proximal CdSe/ZnS Nanocrystals into Silicon Nanomembranes

H. M. Nguyen, O. Seitz, W. Peng, Y. N. Gartstein, Y. J. Chabal, and A. V. Malko

ACS Nano 6, 5574-5582

Unique Challenges Accompany Thick-Shell CdSe/nCdS (n ≥ 10) Nanocrystal Synthesis

Y. Guo, K. Marchuk, R. Abraham, S. Sampat, N. Fang, A. Malko, J. Vela

J. Phys. Chem. C 116, 2791

Optimizing non-radiative energy transfer in hybrid colloidal-nanocrystal/silicon structures by controlled nanopillar architectures for future photovoltaic cells

O. Seitz, L. Caillard, H. M. Nguyen, C. Chiles, Y. J. Chabal and A. V. Malko

Applied Physics Letters 100, 021902 (2012)

Pump-Intensity- and Shell-Thickness-Dependent Evolution of Photoluminescence Blinking in Individual Core/Shell CdSe/CdS Nanocrystals

Malko, A. V.; Park, Y.-S.; Sampat, S.; Galland, C.; Vela, J.; Chen, Y.; Hollingsworth, J. A.; Klimov, V. I.; and Htoon. H

Nano Letters 11, 5213

Near-unity quantum yield of biexciton emission from individual CdSe/CdS nanocrystals measured by two photon photoluminescence spectroscopy

Y-S. Park, A. V. Malko, J. Vela, Y. Chen, Y. Ghosh, F. Garcia-Santamaria, J. A. Hollingsworth, V. I. Klimov, and H. Htoon

Physical Review Letters 106, 187401

Spectroscopic evidence for nonradiative energy transfer between colloidal CdSe/ZnS nanocrystals and functionalized silicon substrates

H. M. Nguyen, O. Seitz, D. Aureau, A. Sra, N. Nijem, Yu. N. Gartstein, Y. J. Chabal, and A. V. Malko

Applied Physics Letters, 98, 161904