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Dr. Hugh Geaney

Biography

Hugh finished a degree in Industrial Chemistry in 2008 and a PhD in Chemistry in 2012 (both from UL). He subsequently moved to UCC as a postdoctoral researcher on the EU FP7 project STABLE, working on Li-O2 batteries. Following that, he was a senior postdoctoral researcher in UCC, investigating porous materials for Li-ion battery applications.

In 2016 he returned to UL as a postdoctoral researcher on an Enterprise Ireland commercialization project. In 2019, he received a SIRG (starting investigator research grant) and became an independent, Principal Investigator.

Since 2020, Hugh has been a lecturer in Chemistry in the Department of Chemical Science.

Full research output
https://scholar.google.com/citations?user=RGu8Q1IAAAAJ&hl=en

Research Interests

Energy Storage: Li-ion, Li-S, Li-O2, Na-ion batteries.

Electrochemistry: Method development for battery testing.
Full-cell testing of battery materials. Ex-situ analysis of materials.

Materials Science:
Materials synthesis and characterization.

Nanomaterials:
Nanowire catalysis, nanoparticle synthesis, porous material formation



Teaching Interests

Inorganic, Analytical and Physical Chemistry. Materials Science.

Professional Activities

Award

  • 2019 - Bernal Mid-Career Researcher of the Year
  • 2019 - SFI Starting Investigator Research Grant (SIRG)

Publications

Peer Reviewed Journal

2019

Enhancing the performance of germanium nanowire anodes for Li-ion batteries by direct growth on textured copper
Geaney, Hugh and Bree, Gerard and Stokes, Killian and Collins, Gearoid A and Aminu, Ibrahim Saana and Kennedy, Tadhg and Ryan, Kevin M
Chemical Communications

2019

Electrophoretic Deposition of Tin Sulfide Nanocubes as High-Performance Lithium-Ion Battery Anodes
Bree, Gerard and Geaney, Hugh and Ryan, Kevin M
ChemElectroChem

2019

Highlighting the importance of full-cell testing for high performance anode materials comprising Li alloying nanowires
Geaney H.;Bree G.;Stokes K.;McCarthy K.;Kennedy T.;Ryan K.
Journal Of The Electrochemical Society DOI: 10.1149/2.0291913jes

2019

Tunable Core--Shell Nanowire Active Material for High Capacity Li-Ion Battery Anodes Comprised of PECVD Deposited aSi on Directly Grown Ge Nanowires
Stokes, Killian and Boonen, Wil and Geaney, Hugh and Kennedy, Tadhg and Borsa, Dana and Ryan, Kevin M
ACS applied materials & interfaces

2019

Synthesis and Characterization of CuZnSe2 Nanocrystals in Wurtzite, Zinc Blende, and Core--Shell Polytypes
Ren, Huan and Wang, Miao and Li, Zhe and Laffir, Fathima and Brennan, Grace and Sun, Yuanwei and Stokes, Killian and Geaney, Hugh and O’Reilly, Emmet J and Gao, Peng and others
Chemistry of Materials

2019

Multimodal surface analyses of chemistry and structure of biominerals in rodent pineal gland concretions
Tofail, SAM and Mouras, R and McNamara, K and Patyk-Kazmierczak, E and Geaney, Hugh and Zaworotko, M and Ryan, Kevin M and Soulimane, T and Silien, C and Kop'ani, M
Applied Surface Science

2019

Copper Silicide Nanowires as Hosts for Amorphous Si Deposition as a Route to Produce High Capacity Lithium-Ion Battery Anodes
Stokes, Killian and Geaney, Hugh and Sheehan, Martin and Borsa, Dana and Ryan, Kevin M
Nano letters

2019

Bio-derived Carbon Nanofibres from Lignin as High-Performance Li-Ion Anode Materials
Culebras, Mario and Geaney, Hugh and Beaucamp, Anne and Upadhyaya, Prathviraj and Dalton, Eric and Ryan, Kevin M and Collins, Maurice N
ChemSusChem

2018

Investigation into the selenization mechanisms of wurtzite CZTS nanorods
Bree, Gerard and Coughlan, Claudia and Geaney, Hugh and Ryan, Kevin M
ACS applied materials & interfaces

2018

Layered Bimetallic Metal-Organic Material Derived Cu2SnS3/SnS2/C Composite for Anode Applications in Lithium-Ion Batteries
Foley, Sarah and Geaney, Hugh and Bree, Gerard and Mukherjee, Soumya and Zaworotko, Michael J and Ryan, Kevin M
ChemElectroChem

2018
2018
2018

Aligned copper zinc tin sulfide nanorods as lithium-ion battery anodes with high specific capacities
Bree, Gerard and Geaney, Hugh and Stokes, Killian and Ryan, Kevin M
The Journal of Physical Chemistry C

2018

Axial Si--Ge Heterostructure Nanowires as Lithium-Ion Battery Anodes
Stokes, Killian and Flynn, Grace and Geaney, Hugh and Bree, Gerard and Ryan, Kevin M
Nano letters

2018

Copper Sulfide (CuxS) Nanowire-in-Carbon Composites Formed from Direct Sulfurization of the Metal-Organic Framework HKUST-1 and Their Use as Li-Ion Battery Cathodes
Foley, Sarah and Geaney, Hugh and Bree, Gerard and Stokes, Killian and Connolly, Sinead and Zaworotko, Michael J and Ryan, Kevin M
Advanced Functional Materials

2018

Linear heterostructured Ni 2 Si/Si nanowires with abrupt interfaces synthesised in solution
Sheehan, Martin and Ramasse, Quentin M and Geaney, Hugh and Ryan, Kevin M
Nanoscale

2017

Direct Synthesis of Alloyed Si1--x Ge x Nanowires for Performance-Tunable Lithium Ion Battery Anodes
Stokes, Killian and Geaney, Hugh and Flynn, Grace and Sheehan, Martin and Kennedy, Tadhg and Ryan, Kevin M
ACS nano

2017

Influence of binders and solvents on stability of Ru/RuOx nanoparticles on ITO nanocrystals as Li--O2 battery cathodes
Vankova, Svetoslava and Francia, Carlotta and Amici, Julia and Zeng, Juqin and Bodoardo, Silvia and Penazzi, Nerino and Collins, Gillian and Geaney, Hugh and O'Dwyer, Colm
ChemSusChem

2017

Behavior of germanium and silicon nanowire anodes with ionic liquid electrolytes
Kim, Guk-Tae and Kennedy, Tadhg and Brandon, Michael and Geaney, Hugh and Ryan, Kevin M and Passerini, Stefano and Appetecchi, Giovanni B
ACS nano

2017

Patterning optically clear films: Coplanar transparent and color-contrasted thin films from interdiffused electrodeposited and solution-processed metal oxides
Glynn, Colm and Geaney, Hugh and McNulty, David and O'Connell, John and Holmes, Justin and O'Dwyer, Colm
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films

2017

The selective synthesis of nickel germanide nanowires and nickel germanide seeded germanium nanowires within a solvent vapour growth system
Sheehan, Martin and Guo, Yina and Flynn, Grace and Geaney, Hugh and Ryan, Kevin M
CrystEngComm

2017

The effect of particle size, morphology and C-rates on 3D structured Co3O4 inverse opal conversion mode anode materials
McNulty, David and Geaney, Hugh and Carroll, Elaine and Garvey, Shane and Lonergan, Alex and O’Dwyer, Colm
Materials Research Express

2016

2D and 3D photonic crystal materials for photocatalysis and electrochemical energy storage and conversion
Collins, Gillian and Armstrong, Eileen and McNulty, David and O’Hanlon, Sally and Geaney, Hugh and O’Dwyer, Colm
Science and Technology of advanced MaTerialS

2016

Comparing the suitability of Lithium ion, Lithium Sulfur and Lithium air batteries for current and future vehicular applications
Lampic, Gorazd and Gotovac, Gorazd and Geaney, Hugh and O'Dwyer, Colm
arXiv preprint arXiv:1606.06347

2016

Solvent-less method for efficient photocatalytic $alpha$-Fe 2 O 3 nanoparticles using macromolecular polymeric precursors
Diaz, Carlos and Barrientos, Lorena and Carrillo, Daniel and Valdebenito, Javier and Valenzuela, Maria L and Allende, Patricio and Geaney, Hugh and O'Dwyer, Colm
New Journal of Chemistry

2016

High performance inverse opal Li-ion battery with paired intercalation and conversion mode electrodes
McNulty, David and Geaney, Hugh and Armstrong, Eileen and O'Dwyer, Colm
Journal of Materials Chemistry A

2016
2015
2015

Mesoporosity in doped silicon nanowires from metal assisted chemical etching monitored by phonon scattering
McSweeney, William and Glynn, Colm and Geaney, Hugh and Collins, Gillian and Holmes, Justin D and O’Dwyer, Colm
Semiconductor Science and Technology

2015

Linking precursor alterations to nanoscale structure and optical transparency in polymer assisted fast-rate dip-coating of vanadium oxide thin films
Glynn, Colm and Creedon, Donal and Geaney, Hugh and Armstrong, Eileen and Collins, Timothy and Morris, Michael A and O’Dwyer, Colm
Scientific reports

2015
2015

Fully porous GaN pn junctions fabricated by Chemical Vapor Deposition: a green technology towards more efficient LEDs
Carvajal, Joan J and Mena, Josue and Bilousov, Oleksandr and Mart'inez, Oscar and Jim'enez, Juan and Zubialevich, Vitaly Z and Parbrook, Peter J and Geaney, Hugh and O'Dwyer, Colm and D'iaz, Francesc and others
ECS Transactions

2015

Pseudocapacitive charge storage at nanoscale silicon electrodes
McSweeney, William and Geaney, Hugh and Glynn, Colm and McNulty, David and O'Dwyer, Colm
ECS Transactions

2015

Electrodeposited structurally stable V2O5 inverse opal networks as high performance thin film lithium batteries
Armstrong, Eileen and McNulty, David and Geaney, Hugh and O’Dwyer, Colm
ACS applied materials & interfaces

2015

Precursor Concentration and Substrate Effects on High Rate Dip-Coated Vanadium Oxide Thin Films
Glynn, Colm and Aureau, Damien and O'Hanlon, Sally and Daly, Luke and Geaney, Hugh and Collins, Gillian and Etcheberry, Arnaud and O'Dwyer, Colm
ECS Transactions

2014

Structuring materials for lithium-ion batteries: advancements in nanomaterial structure, composition, and defined assembly on cell performance
Osiak, Michal and Geaney, Hugh and Armstrong, Eileen and O'Dwyer, Colm
Journal of Materials Chemistry A

2014

Fully Porous GaN p--n Junction Diodes Fabricated by Chemical Vapor Deposition
Bilousov, Oleksandr V and Carvajal, Joan J and Geaney, Hugh and Zubialevich, Vitaly Z and Parbrook, Peter J and Mart'inez, Oscar and Jiménez, Juan and D'iaz, Francesc and Aguiló, Magdalena and O’Dwyer, Colm
ACS applied materials & interfaces

2014

Optimizing vanadium pentoxide thin films and multilayers from dip-coated nanofluid precursors
Glynn, Colm and Creedon, Donal and Geaney, Hugh and O’Connell, John and Holmes, Justin D and O’Dwyer, Colm
ACS applied materials & interfaces

2014

Epitaxial growth of (0001) oriented porous GaN layers by chemical vapour deposition
Bilousov, Oleksandr V and Carvajal, Joan J and Mena, Josu'e and Mart'inez, Oscar and Jim'enez, Juan and Geaney, Hugh and D'iaz, Francesc and Aguil'o
CrystEngComm

2014

Palladium nanoparticles as catalysts for Li-O2 battery cathodes
Geaney, Hugh and Collins, Gillian and Glynn, Colm and Holmes, Justin D and O'Dwyer, Colm
ECS Transactions

2014

High-performance germanium nanowire-based lithium-ion battery anodes extending over 1000 cycles through in situ formation of a continuous porous network
Kennedy, Tadhg and Mullane, Emma and Geaney, Hugh and Osiak, Michal and O’Dwyer, Colm and Ryan, Kevin M
Nano letters

2014

The influence of carrier density and doping type on lithium insertion and extraction processes at silicon surfaces
McSweeney, William and Lotty, Olan and Glynn, Colm and Geaney, Hugh and Holmes, Justin D and O’Dwyer, Colm
Electrochimica Acta

2014

Key scientific challenges in current rechargeable non-aqueous Li--O 2 batteries: experiment and theory
Bhatt, Mahesh Datt and Geaney, Hugh and Nolan, Michael and O'Dwyer, Colm
Physical Chemistry Chemical Physics

2014

2D and 3D vanadium oxide inverse opals and hollow sphere arrays
Armstrong, Eileen and Osiak, Michal and Geaney, Hugh and Glynn, Colm and O'Dwyer, Colm
CrystEngComm

2014

Novel solid-state route to nanostructured tin, zinc and cerium oxides as potential materials for sensors
Diaz, C and Platoni, S and Molina, A and Valenzuela, ML and Geaney, H and O'Dwyer, C
Journal of nanoscience and nanotechnology

2014

A rapid, solvent-free protocol for the synthesis of germanium nanowire lithium-ion anodes with a long cycle life and high rate capability
Mullane, Emma and Kennedy, Tadhg and Geaney, Hugh and Ryan, Kevin M
ACS applied materials & interfaces

2013

The influence of 1D, meso-and crystal structures on charge transport and recombination in solid-state dye-sensitized solar cells
Docampo, Pablo and Ivaturi, Aruna and Gunning, Robert and Diefenbach, Sandra and Kirkpatrick, James and Palumbiny, Claudia M and Sivaram, Varun and Geaney, Hugh and Schmidt-Mende, Lukas and Welland, Mark E and others
Journal of Materials Chemistry A

2013

Doping controlled roughness and defined mesoporosity in chemically etched silicon nanowires with tunable conductivity
McSweeney, William and Lotty, Olan and Mogili, Naga Vishnu V and Glynn, Colm and Geaney, Hugh and Tanner, D and Holmes, Justin D and O'Dwyer, Colm
Journal of Applied Physics

2013

Solution phase synthesis of silicon and germanium nanowires
Geaney, Hugh and Mullane, Emma and Ryan, Kevin M
Journal of Materials Chemistry C

2013

Semiconductor Nanostructures for Antireflection Coatings, Transparent Contacts, Junctionless Thermoelectrics and Li-Ion Batteries
Glynn, Colm and Osiak, Michal and McSweeney, William and Lotty, Olan and Jones, Kim and Geaney, Hugh and Quiroga-Gonz'alez, Enrique and Holmes, Justin D and O'Dwyer, Colm
ECS Transactions

2013

Synthesis of tin catalyzed silicon and germanium nanowires in a solvent--vapor system and optimization of the seed/nanowire interface for dual lithium cycling
Mullane, Emma and Kennedy, Tadhg and Geaney, Hugh and Dickinson, Calum and Ryan, Kevin M
Chemistry of Materials

2013

Atomically abrupt silicon--germanium axial heterostructure nanowires synthesized in a solvent vapor growth system
Geaney, Hugh and Mullane, Emma and Ramasse, Quentin M and Ryan, Kevin M
Nano letters

2013

Fabrication of p-type porous GaN on silicon and epitaxial GaN
Bilousov, Oleksandr V and Geaney, Hugh and Carvajal, Joan J and Zubialevich, Vitaly Z and Parbrook, Peter J and Gigu`ere, A and Drouin, Dominique and D'iaz, Francesc and Aguil'o
Applied Physics Letters

2012

Colloidal synthesis of wurtzite Cu2ZnSnS4 nanorods and their perpendicular assembly
Singh, Ajay and Geaney, Hugh and Laffir, Fathima and Ryan, Kevin M
Journal of the American Chemical Society

2012

High Density Growth of Indium seeded Silicon Nanowires in the Vapor phase of a High Boiling Point Solvent
Geaney, Hugh and Kennedy, Tadhg and Dickinson, Calum and Mullane, Emma and Singh, Ajay and Laffir, Fathima and Ryan, Kevin M
Chemistry of Materials

2012

Growth of crystalline copper silicide nanowires in high yield within a high boiling point solvent system
Geaney, Hugh and Dickinson, Calum and O’Dwyer, Colm and Mullane, Emma and Singh, Ajay and Ryan, Kevin M
Chemistry of Materials

2012

Size controlled growth of germanium nanorods and nanowires by solution pyrolysis directly on a substrate
Mullane, Emma and Geaney, Hugh and Ryan, Kevin M
Chemical Communications

2011

High density germanium nanowire growth directly from copper foil by self-induced solid seeding
Geaney, Hugh and Dickinson, Calum and Barrett, Christopher A and Ryan, Kevin M
Chemistry of Materials

2011

Role of Defects and Growth Directions in the Formation of Periodically Twinned and Kinked Unseeded Germanium Nanowires
Geaney, Hugh and Dickinson, Calum and Weng, Weihao and Kiely, Christopher J and Barrett, Christopher A and Gunning, Robert D and Ryan, Kevin M
Crystal Growth & Design

2011

Perpendicular growth of catalyst-free germanium nanowire arrays
Barrett, Christopher A and Geaney, Hugh and Gunning, Robert D and Laffir, Fathima R and Ryan, Kevin M
Chemical Communications

2009

Facet Specific Gold Tip Growth on Semiconductor Nanorods
O'Sullivan, Catriona and Gunning, Robert and Barrett, Christopher and Singh, Ajay and Geaney, Hugh and Sanyal, Ambarish and Ahmed, Shafaat and Bala, Tanu and Ryan, Kevin
ECS Transactions

2009

Electrophoretic Deposition of Spherical and Rod-Shaped Nanocrystals into Close Packed Superlattices
Ahmed, Shafaat and Barrett, Christopher A and O'Sullivan, Catriona and Sanyal, Ambarish and Geaney, Hugh and Singh, Ajay and Gunning, Robbie D and Ryan, Kevin M
ECS Transactions

2009

Metal surface nucleated supercritical fluid--solid--solid growth of Si and Ge/SiOx core--shell nanowires
Barrett, Christopher A and Gunning, Robert D and Hantschel, Thomas and Arstila, Kai and O'Sullivan, Catriona and Geaney, Hugh and Ryan, Kevin M
J. Mater. Chem.

2009

Spontaneous room temperature elongation of CdS and Ag2S nanorods via oriented attachment
O’Sullivan, Catriona and Gunning, Robert D and Sanyal, Ambarish and Barrett, Christopher A and Geaney, Hugh and Laffir, Fathima R and Ahmed, Shafaat and Ryan, Kevin M
Journal of the American Chemical Society