Christoph Langhammer

2023

Plasma Cleaning of Cationic Surfactants from Pd Nanoparticle Surfaces: Implications for Hydrogen Sorption

2023

A Microshutter for the Nanofabrication of Plasmonic Metal Alloys with Single Nanoparticle Composition Control

2023

Photo, thermal and photothermal activity of TiO2 supported Pt catalysts for plasmon-driven environmental applications

2023

Bulk-Processed Plasmonic Plastic Nanocomposite Materials for Optical Hydrogen Detection

2023

Electron Beam Induced Enhancement and Suppression of Oxidation in Cu Nanoparticles in Environmental Scanning Transmission Electron Microscopy

2023

Engineering Optical Absorption in Late Transition-Metal Nanoparticles by Alloying

Competing oxidation mechanisms in Cu nanoparticles and their plasmonic signatures

2022

Time-Resolved Thickness and Shape-Change Quantification using a Dual-Band Nanoplasmonic Ruler with Sub-Nanometer Resolution

2022

Label-free nanofluidic scattering microscopy of size and mass of single diffusing molecules and nanoparticles

2022

Unraveling Molecular Fingerprints of Catalytic Sulfur Poisoning at the Nanometer Scale with Near-Field Infrared Spectroscopy

2022

Nanoplasmonic NO2Sensor with a Sub-10 Parts per Billion Limit of Detection in Urban Air

2022

Optical Hydrogen Nanothermometry of Plasmonic Nanoparticles under Illumination

2022

Probing the role of grain boundaries in single Cu nanoparticle oxidation by in situ plasmonic scattering

2022

Nanofluidic Trapping of Faceted Colloidal Nanocrystals for Parallel Single-Particle Catalysis

2022

Inverse designed plasmonic metasurface with parts per billion optical hydrogen detection

2021

Shedding light on CO oxidation surface chemistry on single Pt catalyst nanoparticles inside a nanofluidic model pore

2021

Plasmonic Temperature-Programmed Desorption

2021

Nanoplasmonic−nanofluidic single-molecule biosensors for ultrasmall sample volumes

2021

Unravelling CO oxidation reaction kinetics on single Pd nanoparticles in nanoconfinement using a nanofluidic reactor and DSMC simulations

2021

Highly Permeable Fluorinated Polymer Nanocomposites for Plasmonic Hydrogen Sensing

2021

Robust Colloidal Synthesis of Palladium-Gold Alloy Nanoparticles for Hydrogen Sensing

2021

Light-Off in Plasmon-Mediated Photocatalysis

2021

Grain-growth mediated hydrogen sorption kinetics and compensation effect in single Pd nanoparticles

2021

Catalytically active and thermally stable core-shell gold-silica nanorods for CO oxidation

2021

Optimization of the Composition of PdAuCu Ternary Alloy Nanoparticles for Plasmonic Hydrogen Sensing

2020

High-Performance Nanostructured Palladium-Based Hydrogen Sensors - Current Limitations and Strategies for Their Mitigation

2020

Copper catalysis at operando conditions - bridging the gap between single nanoparticle probing and catalyst-bed-averaging

2020

A Library of Late Transition Metal Alloy Dielectric Functions for Nanophotonic Applications

2020

Microwave-heated γ-Alumina Applied to the Reduction of Aldehydes to Alcohols

2020

Operando detection of single nanoparticle activity dynamics inside a model pore catalyst material

2020

Plasmonic Metasurface for Spatially Resolved Optical Sensing in Three Dimensions

2020

Impact of Surfactants and Stabilizers on Palladium Nanoparticle–Hydrogen Interaction Kinetics: Implications for Hydrogen Sensors

2020

Bulk-Processed Pd Nanocube-Poly(methyl methacrylate) Nanocomposites as Plasmonic Plastics for Hydrogen Sensing

Novel wide-bandgap non-fullerene acceptors for efficient tandem organic solar cells

2020

Suppressing Co-Crystallization of Halogenated Non-Fullerene Acceptors for Thermally Stable Ternary Solar Cells

2019

A nanofluidic device for parallel single nanoparticle catalysis in solution

A nanofabricated plasmonic core-shell-nanoparticle library

Diffusion-Limited Crystallization: A Rationale for the Thermal Stability of Non-Fullerene Solar Cells

Rationally Designed PdAuCu Ternary Alloy Nanoparticles for Intrinsically Deactivation-Resistant Ultrafast Plasmonic Hydrogen Sensing

2019

Metal–polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detection

2019

Resolving single Cu nanoparticle oxidation and Kirkendall void formation with in situ plasmonic nanospectroscopy and electrodynamic simulations

2019

Single Particle Plasmonics for Materials Science and Single Particle Catalysis

Optical Property-Composition Correlation in Noble Metal Alloy Nanoparticles Studied with EELS

2019

Direct Comparison of PdAu Alloy Thin Films and Nanoparticles upon Hydrogen Exposure

2019

Heterodimers for in Situ Plasmonic Spectroscopy: Cu Nanoparticle Oxidation Kinetics, Kirkendall Effect, and Compensation in the Arrhenius Parameters

2019

In Situ Plasmonic Nanospectroscopy of the CO Oxidation Reaction over Single Pt Nanoparticles

Continuous Microfluidic Synthesis of Pd Nanocubes and PdPt Core–Shell Nanoparticles and Their Catalysis of NO2 Reduction

Universal Scaling and Design Rules of Hydrogen-Induced Optical Properties in Pd and Pd-Alloy Nanoparticles

2018

Effective Optical Properties of Inhomogeneously Distributed Nanoobjects in Strong Field Gradients of Nanoplasmonic Sensors

2018

A fiber-optic nanoplasmonic hydrogen sensor: Via pattern-transfer of nanofabricated PdAu alloy nanostructures

2017

Real-time in situ analysis of biocorona formation and evolution on silica nanoparticles in defined and complex biological environments

Charge transfer between sensing and targeted metal nanoparticles in indirect nanoplasmonic sensors

High Specific and Mass Activity for the Oxygen Reduction Reaction for Thin Film Catalysts of Sputtered Pt3Y

Topographically Flat Nanoplasmonic Sensor Chips for Biosensing and Materials Science

Plasmonic Nanospectroscopy for Thermal Analysis of Organic Semiconductor Thin Films

2017

Grain boundary mediated hydriding phase transformations in individual polycrystalline metal nanoparticles

Single Particle Nanoplasmonic Sensing in Individual Nanofluidic Channels

2017

A Fullerene Alloy Based Photovoltaic Blend with a Glass Transition Temperature above 200 °C

Pt Nanoparticle Sintering and Redispersion on a Heterogeneous Nanostructured Support

Single Particle Plasmonic Nanospectroscopy

PdAu Alloy Optical Plasmonic Sensors for Hysteresis Free Hydrogen Sensors

On The Role of Size Shape and Composition in Metal Nanoparticle-Hydrogen Interactions

Core−Shell Nanoplasmonic Sensing for Characterization of Biocorona Formation and Nanoparticle Surface Interactions

2016

Single Particle Nanoplasmonic Sensing in Individual Nanofluidic Channels

Dichroic nanostructures for selective sensing of catalytic nanoparticles

Plasmonic Nanospectroscopy of Platinum Catalyst Nanoparticle Sintering in a Mesoporous Alumina Support

CO2 Detection and Plasmonic Spectroscopy of CO2 Adsorption Energetics in Porous Sorbents for CCS

Plasmonic sensing of catalytic nanoparticles

Study of catalysis with correlated INPS and MS

Bottom-Up Nanofabrication of Supported Noble Metal Alloy Nanoparticle Arrays for Plasmonics

Dynamic Depolarization in Plasmonic Metal Nanoparticles

Graphene Oxide and Lipid Membranes: Size-Dependent Interactions

Hysteresis-Free Nanoplasmonic Pd-Au Alloy Hydrogen Sensors

PtY thin films as highly active catalysts for oxygen reduction reaction

Sensing Hydrogen with (Single) Nanoparticles

2015

Depth probing of the hydride formation process in thin Pd films by combined electrochemistry and fiber optics-based in situ UV/vis spectroscopy

Combining electrochemical and in-situ optical characterization of Pt and its alloys

Hydride formation thermodynamics and hysteresis in individual Pd nanocrystals with different size and shape

Unravelling the Dependence of Hydrogen Oxidation Kinetics on the Size of Pt Nanoparticles by in Operando Nanoplasmonic Temperature Sensing

Transient Bimodal Particle Size Distributions during Pt Sintering on Alumina and Silica

Plasmon-Assisted Indirect Light Absorption Engineering in Small Transition Metal Catalyst Nanoparticles

2015

Optical activity of catalytic elements of hetero-metallic nanostructures

2015

UV–Visible and Plasmonic Nanospectroscopy of the CO2 Adsorption Energetics in a Microporous Polymer

Each nanoparticle is unique

Ostwald ripening of supported Pt nanoclusters with initial size-selected distributions

Hysteresis-Free Nanoplasmonic Pd-Au Alloy Hydrogen Sensors

2015

Drift-corrected nanoplasmonic hydrogen sensing by polarization

In situ plasmonic sensing of platinum model catalyst sintering on different oxide supports and in O2 and NO2 atmospheres with different concentrations

Nanoplasmonic Sensing for Nanomaterials Science

Plasmonic Hydrogen Sensing with Nanostructured Metal Hydridese

2014

Plasmon-Interband Coupling in Nickel Nanoantennas

2014

Thermodynamics of hydride formation and decomposition in supported sub-10 nm Pd nanoparticles of different sizes

On the optical properties of plasmonic glasses

High Sintering Resistance of Size-Selected Platinum Cluster Catalysts by Suppressed Ostwald Ripening

A Versatile Self-Assembly Strategy for the Synthesis of Shape-Selected Colloidal Noble Metal Nanoparticle Heterodimers

2014

Shrinking-Hole Colloidal Lithography: Self-Aligned Nanofabrication of Complex Plasmonic Nanoantennas

2014

The conquest of middle-earth: combining top-down and bottom-up nanofabrication for constructing nanoparticle based devices

2014

Nanoplasmonic hydrogen sensing

2014

Real time adsorption and desorption kinetics of dye Z907 on a flat mimic of dye-sensitized solar cell TiO2 photoelectrodes

Localized Surface Plasmon Resonance Investigations of Photoswitching in Azobenzene-Functionalized Self-Assembled Monolayers on Au

Acoustic detection of melanosome transport in Xenopus laevis melanophores

2013

Metal hydrides for smart window and sensor applications

Nanoplasmonic Sensing for Monitoring the Initial Stages of Atmospheric Corrosion of Cu Nanodisks and Thin Films

Diffusion and adsorption of dye molecules in mesoporous TiO2 photoelectrodes studied by indirect nanoplasmonic sensing

Combined in Situ Quartz Crystal Microbalance with Dissipation Monitoring, Indirect Nanoplasmonic Sensing, and Vibrational Sum Frequency Spectroscopic Monitoring of Alkanethiol-Protected Copper Corrosion

Nanoplasmonic In Situ Spectroscopy for Catalysis Applications

Optical Absorption Engineering in Stacked Plasmonic Au-SiO2-Pd Nanoantennas

Directional Scattering and Hydrogen Sensing by Bimetallic Pd-Au Nanoantennas

2012

Oscillatory Optical Response of an Amorphous Two-Dimensional Array of Gold Nanoparticles

Novel aspects of Ostwald ripening of supported metal nanoparticles

2012

Absorption Enhancement in Lossy Transition Metal Elements of Plasmonic Nanosandwiches

Time-Resolved Indirect Nanoplasmonic Sensing Spectroscopy of Dye Molecule Interactions with Dense and Mesoporous TiO2 Films

Nanoplasmonic sensing for nanomaterials science, catalysis, and optical gas detection

Real time indirect nanoplasmonic in situ spectroscopy of catalyst nanoparticle sintering

Asymmetric Hysteresis in Nanoscopic Single-Metal Hydrides: Palladium Nanorings

In situ light spectroscopy in the environmental transmission electron microscope (ETEM)

Nanoplasmonic sensing for nanomaterials science

In-situ catalyst sintering studies using indirect nanoplasmonic sensing

Operando indirect nanoplasmonic spectroscopy of catalyst sintering and deactivation

Gold, Platinum, and Aluminum Nanodisk Plasmons: Material Independence, Subradiance, and Damping Mechanisms

Nanoplasmonic sensing and QCM-D as ultrasensitive complementary techniques for kinetic corrosion studies of aluminum nanoparticles

Indirect Nanoplasmonic sensing in catalysis: sintering, reactant surface coverage changes and optical nanocalorimetry

Operando catalyst sintering and activity measurements using indirect nanoplasmonic sensing

2011

Hydride formation in single Palladium and Magnesium nanoparticles studied by nanoplasmonic dark field scattering spectroscopy

Nanoplasmonic sensing (NPS) combined with electrochemical and QCM-D sensing for corrosion studies

Studying hydrogen storage properties of metal nanoparticles using nanoplasmonic sensing

2010

Size-Dependent Kinetics of Hydriding and Dehydriding of Pd Nanoparticles

On the black oxide colour of zirconium alloys

Indirect nanoplasmonic sensing: Ultrasensitive experimental platform for nanomaterials science and optical nanocalorimetry

Size-dependent hysteresis in the formation and decomposition of hydride in metal nanoparticles

Localized surface plasmons shed light on nanoscale metal hydrides

A combined nanoplasmonic and electrodeless quartz crystal microbalance setup

Nanoplasmonic probes of catalytic reactions

Aluminum as plasmonic material - localized surface plasmons (LSPs) and their application as oxidation sensors

Sensing Platforms

Nanoplasmonic probes of catalytic reactions

Plasmonics meets Catalysis: A Novel Highly Versatile Sensing Scheme Applied to Emission Cleaning catalysis

2009

Intrinsic Fano Interference of Localized Plasmons in Pd Nanoparticles

A nanocell for quartz crystal microbalance and quartz crystal microbalance with dissipation-monitoring sensing

Surface Analytical Tools

Nanoparticle Plasmons in Classic and Novel Materials - Fundamentals and Hydrogen Sensing

Aluminum as plasmonic material - localized surface plasmons (LSPs) and their application as oxidation sensors

Plasmonics meets Catalysis: A Novel Highly Versatile Sensing Scheme Applied to Emission Cleaning catalysis

Quartz Crystal Microbalance for Hydrogen Storage Measurements

Localized Surface Plasmon Resonances in Aluminum Nanodisks

Hydrogen Storage in Pd Nanodisks Characterized with a Novel Nanoplasmonic Sensing Scheme

Plasmonic Properties of Pt and Pd Nanodisks

Hole-Mask Colloidal Lithography

Absorption and scattering of light by Pt, Pd, Ag, and Au nanodisks: Absolute cross sections and branching ratios

A cell for confinement of very small volumes of soft matter and fluids

Plasmonic Properties of Supported Pt and Pd Nanostructures