For a complete and up-to-date publication list, please see my Google Scholar profile.

2024

Charge regulation stabilizes the formation of droplet interface bilayers of ionic liquid based amphiphilic oligomers

In Review

Bulk Anion Recognition Kinetically Holds Back Interfacial Adsorption

In Review

Conformationally Adaptable Extractant Flexes Strong Lanthanide Reverse-Size Selectivity

In Review

Polymer Layer-Accelerated CO₂ Absorption in Aqueous Amino Acid Solutions

Accepted in ACS Applied Polymer Materials

Molecular Structures of Residual Solvent in Polyacrylonitrile Based Electrolytes: Implications for Conductivity and Stability

J. Chem. Phys. 2024, 161, 204903 

Hierarchical Ion Interactions in the Direct Air Capture of CO₂ at Air/Aqueous Interfaces

J. Chem. Phys. 2024 161, 164707 

Invited article: Festschrift in honor of Yuen-Ron Shen

Spatial and Bidirectional Work Function Modulation of Monolayer Graphene with Patterned Polymer Fluorozwitterists

ACS Central Science, 2024, 10, 8, 1629–1639

Adsorption, Orientation, and Speciation of Amino Acids at Air-Aqueous Interfaces for the Direct Air Capture of CO₂

Langmuir, 2024, 40, 28, 14311–14320

Physicochemical Control of Solvation and Molecular Assembly of Charged Amphiphilic Oligomers at Air-Aqueous Interfaces

Journal of Colloid and Interface Science, 2024, 552-560

Towards Energy-Efficient Direct Air Capture with Photochemically-Driven CO₂ Release and Sorbent Regeneration

ChemPlusChem, 2024, e202300713

Synergistic Assembly of Charged Oligomers and Amino Acids at the Air–Water Interface: An Avenue toward Surface-Directed CO₂ Capture

ACS Applied Materials and Interfaces, 2024, 16, 9, 12052–12061

Unraveling Photoisomerization Dynamics in a Metastable-State Photoacid

Phys. Chem. Chem. Phys., 2024, 26, 4062-4070

2023

Probing liquid/liquid interfaces at and away from equilibrium using vibrational sum frequency generation

Proc. SPIE  Ultrafast Nonlinear Imaging and Spectroscopy XI, 126810D, 2023

Cations Control Lipid Bilayer Structure and Memcapacitance Responsible for Long-Term Potentiation

ACS Appl. Mater. Interfaces 2023, 15, 37, 44533–44540

Ice Recrystallization Inhibition Activity of Soy Protein Hydrolysates

J. Agric. Food Chem. 2023 71, 30, 11587–11598

Photochemically-Driven CO₂ Release Using a Metastable-State Photoacid for Energy Efficient Direct Air Capture

Angew. Chem. Int. Ed. 2023, 62, e202304957

Tracking Molecular Transport Across Oil/Aqueous Interfaces: Insight into ‘Antagonistic’ Binding in Solvent Extraction

J. Phys. Chem. B,  2023, 127, 21, 4886-4895 

Invited article, published as part of The Journal of Physical Chemistry virtual special issue “Early-Career and Emerging Researchers in Physical Chemistry Volume 2”

Selected for supplemental cover art

Chemical Feedback in the Self-Assembly and Function of Air-Liquid Interfaces: Insight into the Bottlenecks of CO2 Direct Air Capture

ACS Appl. Mater. Interfaces, 2023, 15, 15, 19634-19645

Selected for supplemental cover art

Assembly of Polyelectrolyte Star Block Copolymers at the Oil-Water Interface

Nanoscale, 2023, 15, 1042-1052

Invited special issue in honor of Tom Russell. 

Selected for back cover

2022

The unexpected role of cations in the self-assembly of positively charged amphiphiles at liquid/liquid interfaces

J. Phys. Chem. Lett. 2022, 13, 46, 10889–10896

Selected for supplemental cover art

Evidence for long-term potentiation in phospholipid membranes

PNAS 2022 119 (50) e2212195119

Considerations in Upconversion: A Practical Guide to Sum Frequency Generation Spectrometer Design and Implementation

 Biointerphases 2022 17, 021201

Invited tutorial article 

Improving Rare-Earth Mineral Separation with Insights from Molecular Recognition: Functionalized Hydroxamic Acid Adsorption onto Bastnäsite and Calcite

Langmuir 2022 38, 18, 5439–5453

Disentangling Memristive and Memcapacitive Effects in Droplet Interface Bilayers using Dynamic Impedance Spectroscopy

Adv. Electron. Mater. 2022, 2200121

Ion-Pairing Effects and Molecular Orientation at Liquid/Liquid Interfaces: Self-Assembly and Function

J. Phys. Chem. B 2022 126, 11, 2316-2323 

Selected for supplemental cover art

Squeezing Out Interfacial Solvation: The Role of Hydrogen-Bonding in the Structural and Orientational Freedom in Molecular Self-Assembly

J. Phys. Chem. Lett. 2022 13, 10, 2273-2280

Selected for supplemental cover art

Understanding Self-Assembly and the Stabilization of Liquid/Liquid Interfaces: The Importance of Ligand Tail Branching and Oil-Phase Solvation

Journal of Colloidal & Interface Science 2022, 609, 807-814

2021

Nonlinear Optical Microscopy with Ultralow Quantum Light

J. Phys. Chem. A 2021, 125, 40, 8765–8776

Invited perspective article and selected for front cover art

Interfacial acidity on the strontium titanate surface: A scaling paradigm and the role of the hydrogen bond

PCCP 2021 24 (2), 1202-1202

2021 HOT PCCP article and selected for front cover art

Nanoparticle Induced Disorder at Complex Liquid/Liquid Interfaces: Effects of Curvature and Compositional Synergy on Functional Surfaces

ACS Nano 2021, 15, 9, 14285–14294

Additive Manufacturing of Strong Silica Sand Structures enabled by Polyethyleneimine Binder

Nature Communications 2021 12, 5144 

Editor’s Highlight in Materials Science and Chemistry

Ion Pairing Mediates Molecular Organization Across Liquid/Liquid Interfaces

ACS Appl. Mater. Interfaces, 2021, 12, 28, 33734-33743

Spatially co-registered wide-field nonlinear optical imaging of living and complex biosystems in a total internal reflection geometry

Analyst, 2021, 146, 3062-3072 

 

Mapping the Interfacial Chemistry and Structure of Partially Fluorinated Bottlebrush Polymers and their Linear Analogs

Langmuir 2021, 37, 1, 211–218

2020

A Molecular-Scale Approach to Rare-Earth Beneficiation: Thinking Small to Avoid Large Losses

Iscience 2020, 23 (9), 101435

Hydrogen-Bond Driven Chemical Separations: Elucidating the Interfacial Steps of Self-Assembly in Solvent Extraction

ACS Appl. Mater. Interfaces 2020, 12, 28, 32119-32130

Press release can be found here

Modulation of cation diffusion by reversible supramolecular assemblies in ionic liquid based nanocomposites

ACS Appl. Mater. Interfaces 2020, 12, 28, 31842-31851

Self-Assembly of Charged Oligomeric Bilayers at the Aqueous/Organic Interface Regulated by Ion-Pair Associations

ChemRxiv Preprint

Total internal reflection enabled wide-field coherent anti-Stokes Raman scattering microscopy

Opt. Lett., 2020, 45, 3087-3090

*Editors’ Pick

Connecting Femtosecond Transient Absorption Microscopy with Spatially Coregistered Time Averaged Optical Imaging Modalities

J. Phys. Chem. A 2020, 124, 19, 3915–3923

*Published as part of The Journal of Physical Chemistry virtual special issue “Time-Resolved Microscopy”.

Vibrational sum frequency generation using shaped near infrared light

US Patent 10,620,050

 

Molecular Recognition at Mineral Interfaces: Implications for the Beneficiation of Rare Earth Oresthe Hydrogen Bond

ACS Appl. Mater. Interfaces 2020, 12, 14, 16327–16341

Insight into the Mechanisms Driving the Self-Assembly of Functional Interfaces: Moving from Lipids to Charged Amphiphilic Oligomers

J. Am. Chem. Soc. 2020, 142, 1, 290–299

press release can be found here

2019

Adsorption mechanism of alkyl hydroxamic acid onto bastnäsite: Fundamental steps toward rational collector design for rare earth elements

J. Colloid and Interface Science, Vol. 553, 2019, 210-219

Energetics at the Surface: Direct Optical Mapping of Core and Surface Electronic Structure in CdSe Quantum Dots Using Broadband Electronic Sum Frequency Generation Microspectroscopy

Nano Lett. 2019, 19, 9, 6157–6165

A new approach to vibrational sum frequency generation spectroscopy using near infrared pulse shaping

Rev. Sci. Inst. 2019, 90, 033106 

Probing ligand removal and ordering at quantum dot surfaces using vibrational sum frequency generation spectroscopy

J. Colloid and Interface Science, 2019 Vol. 537, 389-395

Structural correlations tailor conductive properties in polymerized ionic liquids

Phys. Chem. Chem. Phys., 2019, 21, 14775-14785

2018

Correlated Materials Characterization via Multimodal Chemical and Functional Imaging

ACS Nano 2018, 12, 12, 11798–11818

Chemical nature of ferroelastic twin domains in CH3NH3PbI3 perovskite

Nature Materials Vol. 17, pages 1013–1019 (2018)

Impact of Crystallographic Orientation Disorders on Electronic Heterogeneities in Metal Halide Perovskite Thin Films

Nano Lett. 2018, 18, 10, 6271–6278

Shedding light on surface effects: nonlinear probes of complex materials

Ultrafast Bandgap Photonics III 10638, 106380M (2018)

Direct Evidence of Exciton–Exciton Annihilation in Single-Crystalline Organic Metal Halide Nanotube Assemblies

J. Phys. Chem. Lett. 2018, 9, 9, 2164–2169

On the origin of spatially dependent electronic excited-state dynamics in mixed hybrid perovskite thin films

Lithuanian Journal of Physics 58 (4)

*Issue for Professor Leonas Valkūnas

Flexible approach to vibrational sum-frequency generation using shaped near-infrared light

Opt. Lett. 43, 2038-2041 (2018)

2017

Solvent Effect on the Photoinduced Structural Change of a Phosphorescent Molecular Butterfly

Chem. Eur. J. 2017 , 23 , 17734

Insight into the Selectivity of Isopropanol Conversion at Strontium Titanate (100) Surfaces: A Combination Kinetic and Spectroscopic Study

ACS Catal. 2017, 7, 12, 8118–8129

Separating Bulk and Surface Contributions to Electronic Excited-State Processes in Hybrid Mixed Perovskite Thin Films via Multimodal All-Optical Imaging

J. Phys. Chem. Lett. 2017, 8, 14, 3299–3305

Absolute Molecular Orientation of Isopropanol at Ceria (100) Surfaces: Insight into Catalytic Selectivity from the Interfacial Structure

J. Phys. Chem. C 2017, 121, 26, 14137–14146

Unraveling the Molecular Weight Dependence of Interfacial Interactions in Poly(2-vinylpyridine)/Silica Nanocomposites

ACS Macro Lett. 2017, 6, 2, 68–72

2016

Adsorption, Ordering, and Local Environments of Surfactant-Encapsulated Polyoxometalate Ions Probed at the Air–Water Interface

Langmuir 2016, 32, 32, 8116–8122

Imaging Electronic Trap States in Perovskite Thin Films with Combined Fluorescence and Femtosecond Transient Absorption Microscopy

J. Phys. Chem. Lett. 2016, 7, 9, 1725–1731

Separation of Distinct Photoexcitation Species in Femtosecond Transient Absorption Microscopy

ACS Photonics 2016, 3, 3, 434–442

Simplification of femtosecond transient absorption microscopy data from CH3NH3PbI3 perovskite thin films into decay associated amplitude maps

Nanotechnology 2016 27 114002

*Focus on Chemical Imaging

2015

Elucidation of Perovskite Film Micro-Orientations Using Two-Photon Total Internal Reflectance Fluorescence Microscopy

J. Phys. Chem. Lett. 2015, 6, 16, 3283–3288

Probing Interfacial Electronic States in CdSe Quantum Dots Using Second Harmonic Generation Spectroscopy

J. Phys. Chem. C 2015, 119, 5, 2752–2760

@ Columbia with Ken Eisenthal

• Binding of the anti-cancer drug daunomycin to DNA probed by second harmonic generation; The Journal of Physical Chemistry B 117 (49), 15285-15289
• Probing the relative orientation of molecules bound to DNA through controlled interference using second-harmonic generation; Proceedings of the National Academy of Sciences 110 (15), 5756-5758
• Ultrafast infrared vibrational spectroscopy; CRC Press
• Binding and cleavage of DNA with the restriction enzyme EcoR1 using time-resolved second harmonic generation; Proceedings of the National Academy of Sciences 108 (50), 19979-19984

@ Berkeley with Steve Leone

• Ultrafast decay of superexcited states of O₂ probed with femtosecond photoelectron spectroscopy; The Journal of Chemical Physics 136 (21), 214303
• Pump-probe photoelectron velocity-map imaging of autoionizing singly excited 4s¹4p⁶np¹ (n= 7, 8) and doubly excited 4s²4p⁴5s¹6p¹ resonances in atomic krypton; Physical Review A 84 (4), 043433o
• Energy-dependent photoelectron angular distributions of two-color two-photon above threshold ionization of atomic helium; Physical Review A 84 (1), 013416
• Photoelectron angular distributions from autoionizing 4s¹4p⁶6p¹ states in atomic krypton probed with femtosecond time resolution; The Journal of chemical physics 134 (9), 094307
• Time-resolved photoelectron angular distributions and cross-section ratios of two-colour two-photon above threshold ionization of helium; Molecular Physics 108 (7-9), 1241-1251
• Photoelectron angular distributions and cross section ratios of two-color two-photon above threshold ionization of argon; The Journal of Physical Chemistry A 113 (47), 13152-13158
• Continuum phase shifts and partial cross sections for photoionization from excited states of atomic helium measured by high-order harmonic optical pump-probe velocity map imaging; Physical Review A 79 (3), 031401
• Ultrafast predissociation of superexcited nitrogen molecules; Molecular Physics 106 (2-4), 275-280

@ Univ. Florida with Martin Vala

• Formation of the Interstellar Molecules HNC3 and HC3N from a C3 Carbon Cluster and Ammonia; The Astrophysical Journal Letters 626 (1), L69