In Situ Pt Photodeposition and Methanol Photooxidation on Pt/TiO2: Pt-Loading-Dependent Photocatalytic Reaction Pathways Studied by Liquid-Phase Infrared Spectroscopy
Greta M. Haselmann, Bettina Baumgartner, Jia Wang, Karin Wieland, Tushar Gupta, Christopher Herzig, Andreas Limbeck, Bernhard Lendl*, Dominik Eder*
ACS Catal. 2020, 10, 5, 2964-2977
We developed a top-irradiated, liquid-phase attenuated total reflectance Fourier transform infrared (ATR-FTIR) setup that allows time-resolved investigations of both Pt particle growth during in situ photodeposition via monitoring of the Pt0–COads band on TiO2 thin films as well as the photooxidation of methanol in aqueous environments.
Polyoxometalates on Functional Substrates: Concepts, Synergies, and Future Perspectives
Alexey S. Cherevan*, Sreejith P. Nandan, Isolda Roger, Rongji Liu, Carsten Streb*, Dominik Eder*
Polyoxometalates (POMs) are molecular metal oxide clusters that feature a broad range of structures and functionalities, making them one of the most versatile classes of inorganic molecular materials. They have attracted widespread attention in homogeneous catalysis.
Effect of boron incorporation on the bioactivity, structure, and mechanical properties of ordered mesoporous bioactive glasses
Leonie Deilmann, Oliver Winter, Bianca Cerrutti, Henrik Bradtmüller, Christopher Herzig, Andreas Limbeck, Olaf Lahayne, Christian Hellmich, Hellmut Eckert* and Dominik Eder *
J. Mater. Chem. B, 2020, 8, 1456-1465
B2O3 doped (0.5–15 mol%) ordered mesoporous bioactive glasses (MBG) with the composition 80% SiO2–15% CaO–5% P2O5 were synthesized via a sol–gel based evaporation-induced self-assembly process using the block-copolymer P123 as a structure directing agent and characterized by biokinetic, mechanical and structural investigations.
(CH3NH3)3Bi2I9 perovskite films fabricated via a two-stage electric-field-assisted reactive deposition method for solar cells application
Methylammonium bismuth iodide ((CH3NH3)3Bi2I9, MBI) is a promising alternative to perovskite solar cells (PSCs) due to its air stability and low-toxicity. Herein, a two-stage electric-field-assisted reactive deposition method has been introduced to prepare MBI films for the first time. PSCs based on MBI films were fabricated and characterized.
Nanoscale aluminum plasmonic waveguide with monolithically integrated germanium detector
M. Sistani, M. G. Bartmann, N. A. Güsken, R. F. Oulton, H. Keshmiri, M. S. Seifner, S. Barth, N. Fukata, M. A. Luong, M.I. den Hertog, A. Lugstein
Applied Physics Letters 2019, 115, 161107
Surface plasmon polaritons have rapidly established themselves as a promising concept for molecular sensing, near-field nanoimaging, and transmission lines for emerging integrated ultracompact photonic circuits. In this letter, we demonstrate a highly compact surface plasmon polariton detector based on an axial metal-semiconductor-metal nanowire heterostructure device.
Femtosecond laser-assisted synthesis of Ni/Au BONs in various alcoholic solvents
Niusha Lasemi, Christian Rentenberger, Robert Pospichal, Alexey S. Cherevan,Martin Pfaffeneder-Kmen, Gerhard Liedl, Dominik Eder
Applied Physics A 2019, 125, 8, 544
Crystalline Ni/Au bimetallic oxide nanoparticles with various forms of crystallographic systems and defects were generated by femtosecond laser ablation of nickel–gold target in alcoholic solvents. The nature of the liquid can influence the chemical composition, stability, and size distribution of laser-synthesized nanoparticles.
Rate-Limiting Steps of Dye Degradation over Titania-Silica Core-Shell Photocatalysts
Ariane Giesriegl, Jakob Blaschke, Shaghayegh Naghdi, Dominik Eder
Catalysts 2019, 9, 7, 583
Anti-solvent spin-coating for improving morphology of lead-free (CH3NH3)3Bi2I9 perovskite films
Zhihui Liu, Miaomiao Chen, Li Wan, Yue Liu, Yulong Wang, Yisheng Gan, Zhiguang Guo, Dominik Eder, Shimin Wang
SN Applied Sciences 2019, 1:706
Methylammonium iodide bismuthate ((CH3NH3)3Bi2I9) (MIB) perovskite has attracted research attention because of its low toxicity and stability in air. However, MIB perovskite also has its inherent defects, e.g., MIB films have too many pinholes and large indirect band gap.
Revealing the doping effect of encapsulated lead halogenides on single-walled carbon nanotubes
Marianna V. Kharlamova, Christian Kramberger, Paolo Rudatis, Thomas Pichler, Dominik Eder
Applied Physics A 2019, 125:320
We have investigated the electronic properties of single-walled carbon nanotubes (SWCNTs) filled with lead chloride, lead bromide (PbBr2) and lead iodide (PbI2). The filling of SWCNTs and formation of encapsulated one-dimensional nanocrystals of the salts were directly confirmed by high-resolution scanning transmission electron microscopy.
Synthesis and Properties of Single-Walled Carbon Nanotubes Filled with Metal Halogenides and Metallocenes
Marianna V. Kharlamova, Dominik Eder
Book Chapter: Cabon Nanotubes, Intech Open Limited 2019
This chapter reviews the current status of the research on the electronic properties of single-walled carbon nanotubes (SWCNTs) filled with metal halogenides and metallocenes and growth kinetics of inner SWCNTs inside metallocene-filled nanotubes.
Immobilization of Co, Mn, Ni and Fe oxide co-catalysts on TiO2 for photocatalytic water splitting reactions
Jasmin S. Schubert, Janko Popovic, Greta M. Haselmann, Sreejith P. Nandan, Jia Wang, Ariane Giesriegl, Alexey S. Cherevan*, Dominik Eder*
Journal of Materials Chemistry A 2019, 7, 18568-18579
Here we report a systematic study of a series of non-noble-metal co-catalysts based on Co, Mn, Ni and Fe oxides that were prepared by wet impregnation of the corresponding acetylacetonate precursors onto a model TiO2 substrate, followed by their oxidative decomposition.
Ordered Mesoporous TiO2 Gyroids: Effects of Pore Architecture and Nb‐Doping on Photocatalytic Hydrogen Evolution under UV and Visible Irradiation
Tobias Sebastian Dörr, Leonie Deilmann, Greta Haselmann, Alexey Cherevan, Peng Zhang, Peter Blaha, Peter William de Oliveira, Tobias Kraus, Dominik Eder
Advanced Energy Materials 2018, 8, 36, 1802566
Superior hydrogen evolution is achieved by using highly ordered mesoporous pure and Nb‐doped TiO₂ with alternating gyroid architecture due to their large pores and 3D connectivity. The incorporation of Nb⁵⁺ has different effects on visible and UV‐based photocatalysis.
Comparison of Doping Levels of Single‐Walled Carbon Nanotubes Synthesized by Arc‐Discharge and Chemical Vapor Deposition Methods by Encapsulated Silver Chloride
Marianna V. Kharlamova, Christian Kramberger, Oleg Domanov, Andreas Mittelberger, Takeshi Saito, Kazuhiro Yanagi, Thomas Pichler, Dominik Eder
physica status solidi (b) 2018, 255, 12, 1800178
Kharlamova et al. perform the filling of single‐walled carbon nanotubes (SWCNTs) synthesized by the arc‐discharge and chemical vapor deposition methods with silver chloride. The electronic properties of the filled nanotubes are characterized by Raman spectroscopy and X‐ray photoelectron spectoscopy. The authors reveal different doping levels of SWCNTs synthesized by the different methods.
Enhancing antibiofilm activity with functional chitosan nanoparticles targeting biofilm cells and biofilm matrix
Yulong Tan, Su Ma, Matthias Leonhard, Doris Moser, Greta M. Haselmann, Jia Wang, Dominik Eder, Berit Schneider-Stickler
Carbohydrate Polymers 2018, 200, 35-42
Mesoporous Semiconductors: A New Model To Assess Accessible Surface Area and Increased Photocatalytic Activity?
Alexey S. Cherevan*, Leonie Deilmann, Tobias Weller, Dominik Eder*, Roland Marschall*
ACS Applied Energy Materials 2018, 1, 11, 5787-5799
Fermi level engineering of metallicity-sorted metallic single-walled carbon nanotubes by encapsulation of few-atom-thick crystals of silver chloride
Marianna V. Kharlamova, Christian Kramberger, Oleg Domanov, Andreas Mittelberger, Kazuhiro Yanagi, Thomas Pichler, Dominik Eder
Journal of Materials Science 2018, 53, 18, 13018-13029
In the present work, the channels of metallicity-sorted metallic single-walled carbon nanotubes (SWCNTs) have been filled with silver chloride. The data of high-resolution scanning transmission electron microscopy proved the filling of the nanotube channels and formation of few-atom-thick crystals of silver chloride.
Atomic-Scale in Situ Observations of Crystallization and Restructuring Processes in Two-Dimensional MoS2 Films
Bernhard C. Bayer, Reinhard Kaindl, Mohammad Reza Ahmadpour Monazam, Toma Susi, Jani Kotakoski, Tushar Gupta, Dominik Eder, Wolfgang Waldhauser, Jannik C. Meyer
ACS Nano 2018, 12, 8, 8758-8769
High-efficiency hole-conductor-free rutile TiO2-Nanorod/CH3NH3PbI3 heterojunction solar cells with commercial carbon ink as counter-electrode
Miaomiao Chen, Qiuping Zhang, Li Wan, Yisheng Gan, Zhihui Liu, Yulong Wang, Yue Liu, Jia Wang, Fengxiang Chen, Dominik Eder, Shimin Wang
Solar Energy 2018, 170, 1087-1094
How to Evaluate and Manipulate Charge Transfer and Photocatalytic Response at Hybrid Nanocarbon–Metal Oxide Interfaces
Nina Kemnade, Paul Gebhardt, Greta M. Haselmann, Alexey Cherevan, Gerhard Wilde, Dominik Eder
Advanced Functional Materials 2018, 28, 1704730
A novel hybrid system enables monitoring and tuning of interfacial charge transfer and manipulation of photocatalytic properties in nanocarbon–inorganic hybrids through implementation of ultrathin dielectric barrier layers using atomic layer deposition. Distance‐dependent quenching studies with solid‐state photoluminescence reveal electron conduction through the barrier layer as the rate‐limiting step.
Influence of Rutile-TiO2 nanorod arrays on Pb-free (CH₃NH₃)₃Bi₂I₉-based hybrid perovskite solar cells fabricated through two-step sequential solution process
Miaomiao Chen, Li Wan, Mengqin Kong, Hang Hu, Yisheng Gan, Jia Wang, Fengxiang Chen, Zhiguang Guo, Dominik Eder, Shimin Wang
Journal of Alloys and Compounds 2018, 738, 422-431
Ice Nucleation Activity of Graphene and Graphene Oxides
Thomas Häusler, Paul Gebhardt, Daniel Iglesias, Christoph Rameshan, Silvia Marchesan, Dominik Eder, Hinrich Grothe
J. Phys. Chem. C 2018, 122, 15, 8182-8190
Aerosols can act as cloud condensation nuclei and/or ice-nucleating particles (INPs), influencing cloud properties. In particular, INPs show a variety of different and complex mechanisms when interacting with water during the freezing process. To gain a fundamental understanding of the heterogeneous freezing mechanisms, studies with proxies for atmospheric INPs must be performed.
Beware of Doping: Ta2O5 Nanotube Photocatalyst Using CNTs as Hard Templates
Alexey Cherevan*, Paul Gebhart, Andreas Kunzmann, Rubén D. Costa, Dominik Eder*
ACS Appl. Energy Mater. 2018, 1, 3, 1259-1267
Silver Chloride Encapsulation-Induced Modifications of Raman Modes of Metallicity-Sorted Semiconducting Single-Walled Carbon Nanotubes
Marianna V. Kharlamova, Christian Kramberger, Andreas Mittelberger, Kazuhiro Yanagi, Thomas Pichler, Dominik Eder
Journal of Spectroscopy 2018, Article ID 5987428
The internal channels of semiconducting single-walled carbon nanotubes (SWCNTs) were filled with silver chloride. The filling was confirmed by high-resolution scanning transmission electron microscopy. The filling-induced modifications of Raman modes of SWCNTs were analyzed.
A crystalline and 3D periodically ordered mesoporous quaternary semiconductor for photocatalytic hydrogen generation
Tobias Weller, Leonie Deilmann, Jana Timm, Tobias S. Dörr, Peter A. Beaucage, Alexey S. Cherevan, Ulrich B. Wiesner, Dominik Eder, Roland Marschall
Nanoscale 2018, 10, 3225-3234
The first crystalline and 3D periodically ordered mesoporous quaternary semiconductor for photocatalystic hydrogen production has been prepared.
Early-Stage Deactivation of Platinum-Loaded TiO2 Using In Situ Photodeposition during Photocatalytic Hydrogen Evolution
Greta M. Haselmann, Dominik Eder
ACS Catal. 2017, 7, 7, 4668-4675
This work unravels a sudden deactivation of Pt/TiO2 (P25) during the initial stages of photocatalytic H2 evolution from aqueous solution that, until now, has gone unnoticed, using a unique combination of in situ photodeposition of Pt with an on-line gas detector system.
Growth, structure and stability of sputter-deposited MoS2 thin films
Reinhard Kaindl, Bernhard C. Bayer, Rolan Resel, Thomas Müller, Viera Skakalova, Gerlinde Habler, Rainer Abart, Alexey S. Cherevan, Dominik Eder, Maxime Blatter, Fabian Fischer, Jannik C. Meyer, Dmitry K. Polyushkin, Wolfgang Waldhauser
Beilstein Jounal of Nanotechnology 2017, 8,1115-1126
Molybdenum disulphide (MoS2) thin films have received increasing interest as device-active layers in low-dimensional electronicsand also as novel catalysts in electrochemical processes such as the hydrogen evolution reaction (HER) in electrochemical watersplitting. For both types of applications, industrially scalable fabrication methods with good control over the MoS2 film propertiesare crucial.
Large area photoelectrodes based on hybrids of CNT fibres and ALD-grown TiO2
A. Moya, Nina Kemnade, M. R. Osorio, Alexey Cherevan, D. Granados, Dominik Eder, J. Vilatela
Jounal of materials chemistry A 2017, 5, 47, 24695-24706
Nontoxic (CH₃NH₃)₃Bi₂I₉ perovskite solar cells free of hole conductors with an alternative architectural design and a solution-processable approach
Mengqin Kong, Hang Hu, Li Wan, Miaomiao Chen, Yisheng Gan, Jia Wang, Fengxiang Chen, Binghai Dong, Dominik Eder, Shimin Wang
RSC advances 2017,7,56,35549-35557
Dual Excitation Transient Photocurrent Measurement for Charge Transfer Studies in Nanocarbon Hybrids and Composites
Alexey S. Cherevan, Dominik Eder
Advanced Materials Interfaces 2016, 3, 16, 1600244
A new technique, dual excitation transient photocurrent measurement, which enables to deconvolute intrinsic photoresponse of nanocarbons from interfacial charge transfer processes in nanocarbon‐inorganic hybrids and composites, is reported. The technique can be extended to other nanocarbon‐based systems with a wide range of semiconductors and allows quantitative analysis of the charge transfer process.
Atomic Layer Deposition of TiO2 for a High-Efficiency Hole-Blocking Layer in Hole-Conductor-Free Perovskite Solar Cells Processed in Ambient Air
Hang Hu, Binghai Dong, Huating Hu, Fengxiang Chen, Mengqin Kong, Qiuping Zhang, Tianyue Luo, Li Zhao, Zhiguang Guo, Jing Li, Zuxun Xu, Shimin Wang, Dominik Eder, Li Wan
ACS applied materials & interfaces, 8, 28, 17999-18007
In this study we design and construct high-efficiency, low-cost, highly stable, hole-conductor-free, solid-state perovskite solar cells, with TiO2 as the electron transport layer (ETL) and carbon as the hole collection layer, in ambient air.
Back Cover: Hierarchical Ternary MoO2/MoS2/Heteroatom‐Doped Carbon Hybrid Materials for High‐Performance Lithium‐Ion Storage
Haidong Liu, Huating Hu, Jun Wang, Philip Niehoff, Xin He, Elie Paillard, Dominik Eder, Martin Winter, Jie Li
The Back Cover picture illustrates how three components (MoO2/MoS2/heteroatom‐doped carbon) can be hybridized as a novel hierarchical architecture through a one‐pot solvothermal process with the assistance of an ionic liquid and a polymer, which reveals an attractive electrochemical performance for lithium‐ion storage.
Effect of Aluminum Ion Incorporation on the Bioactivity and Structure in Mesoporous Bioactive Glasses
S. Melchers, T. Uesbeck, Oliver Winter, H. Eckert, Dominik Eder
Chem. Mater. 2016, 28, 10, 3254-3264
This work is dedicated to biokinetic and structural investigations of Al2O3 doping (0.5 to 15 mol %) in ordered mesoporous bioactive glasses (MBGs), based on the composition 80% SiO2–15% CaO–5% P2O5 (in mol %).
Ordered gyroidal tantalum oxide photocatalysts: eliminating diffusion limitations and tuning surface barriers
Alexey Cherevan, Spencer Robbins, Dennis Dieterle, Paul Gebhardt, Ulrich Wiesner, Dominik Eder
Nanoscale 2016, 8, 37, 16694-16701
In this work we synthesized well-ordered, Ta2O5 films with a 3D-interconnected gyroid mesopore architecture with large pore sizes beyond 30 nm and extended crystalline domains through self-assembly of tailor-made triblock-terpolymers.
Oxygen vacancies and interfaces enhancing photocatalytic hydrogen production in mesoporous CNT/TiO2 hybrids
Alicia Moya, Alexey Cherevan, Silvia Marchesan, Paul Gebhardt, Maurizio Prato, Dominik Eder, Juan J. Vilatela
Chem. Mater. 2016, 28, 10, 3254-3264
We demonstrate a unique route towards hierarchical assemblies of mesoporous TiO2 and CNT/TiO2 photocatalysts by a combination of electrospinning and sol–gel methods. The resulting materials exhibit a mesoporous network of highly crystalline, well-connected inorganic nanocrystals with an order of magnitude higher photocatalytic activity than individualised TiO2 nanoparticles.
Near-Ambient-Pressure X-ray Photoelectron Spectroscopy Study of Methane-Induced Carbon Deposition on Clean and Copper-Modified Polycrystalline Nickel Materials
Raffael Rameshan, Lukas Mayr, Bernhard Klötzer, Dominik Eder, Axel Knop-Gericke, Michael Hävecker, Raoul Blume, Robert Schlögl, Dmitry Y. Zemlyanov, Simon Penner
J. Phys. Chem. C 2015, 119, 48, 26948-26958
In order to simulate solid-oxide fuel cell (SOFC)-related coking mechanisms of Ni, methane-induced surface carbide and carbon growth was studied under close-to-real conditions by synchrotron-based near-ambient-pressure (NAP) X-ray photoelectron spectroscopy (XPS) in the temperature region between 250 and 600 °C.
Going nano with protic ionic liquids—the synthesis of carbon coated Li3V2(PO4)3 nanoparticles encapsulated in a carbon matrix for high power lithium-ion batteries
Xiaofei Zhang, Ruben-Simon Kühnel, Huating Hu, Dominik Eder, Andrea Balducci
Nano Energy 2015, 12, 207-214
A solution-chemistry approach was developed to prepare carbon-coated Li3V2(PO4)3 nanoparticles embedded in a micrometer-sized carbon matrix. The material was obtained by a facile one-pot synthesis involving a protic ionic liquid as a soft template and carbon source.
Non-destructive functionalisation for atomic layer deposition of metal oxides on carbon nanotubes: effect of linking agents and defects
Nina Kemnade, C. J. Shearer, D. J. Dieterle, Alexey S. Cherevan, Paul Gebhardt, G. Wilde, Dominik Eder
Nanoscale 2015, 7, 3028-3034
The hybridisation of metal oxides and nanocarbons has created a promising new class of functional materils for environmental and sustainable energy applications.
Biomimetic synthesis and characterization of hydroxyapatite/graphene oxide hybrid coating on Mg alloy with enhanced corrosion resistance
Fang Gao, Chenyang Xu, Huating Hu, Qi Wang, Yuanyang Gao, Hao Chen, Qiannan Guo, Dazhong Chen, Dominik Eder
Materials Letters 2015, 138, 25-28
An effective biomimetic method for preparation of hydroxyapatite/graphene oxide (HA/GO) hybrid coating on AZ91 magnesium alloy was firstly proposed.