Congratulations to Dr. Tom Wilhelm for successfully defending his Ph.D. dissertation titled, "Semiconductor Nanofabrication via Metal-Assisted Chemical Etching: Ternary III-V Alloys and Alternative Catalysts"! Tom has accepted a position at Tyndall National Institute as a post-doctoral researcher. Congrats on this very well-earned milestone, Dr. Wilhelm!
Our paper titled, "Direct Light-Writing of Nanoparticle-Based Metallo-Dielectric Optical Waveguide Arrays Over Silicon Solar Cells for Wide-Angle Light Collecting Modules" has been published in Advanced Optical Materials!
Tom and Alex's paper titled, "Black GaAs with Sub-Wavelength Nanostructures Fabricated via Lithography-Free Metal-Assisted Chemical Etching" has been published in the ECS Journal of Solid State Science and Technology! This work highlights the fabrication of GaAs nanowire arrays with solar-weighted reflectance of ~4% using an entirely lithography-free and solution-based MacEtch process.
Congratulations to Alireza on passing his Ph.D. Qualifying Examination!
Congratulations to Mohad on passing her Ph.D. Candidacy Examination!
Dr. Mohseni has been elected to serve a three-year term on the EMC Committee.
Dr. Mohseni is now a Senior Member of the IEEE.
Our paper titled, "Design and Simulation of the Bifacial III-V-Nanowire-on-Si Solar Cell" has been published in MRS Advances!
Mohad's paper titled, "Self-Assembled InAsP and InAlAs Nanowires on Graphene via Pseudo-van der Waals Epitaxy" has been published in the Proceedings of the IEEE 18th International Conference on Nanotechnology! This work demonstrates controlled tuning of the morphology and composition of ternary III-V compound semiconductor nanowires on two-dimensional nanosheets through epitaxial self-assembly.
Mohad's paper titled, "Improving Pseudo-van der Waals Epitaxy of Self-Assembled InAs Nanowires on Graphene via MOCVD Parameter Space Mapping" has been accepted for publication in CrystEngComm! Here, growth optimization toward self-assembly of InAs nanowires on graphene with record-breaking aspect ratio and number density is presented.
This work has been featured as back cover art for the January 2019 issue of CrystEngComm.
Mr. Alireza Abrand joins the research group as a Ph.D. Graduate Researcher. Welcome, Alireza!
Tom's paper titled, "Ordered Al(x)Ga(1-x)As Nanopillar Arrays via Inverse Metal-Assisted Chemical Etching" has been accepted for publication in ACS Applied Materials & Interfaces! This paper details catalytic etching of AlGaAs for fabrication of vertical nanostructure arrays for the first time.
Congratulations to Tom on passing his Ph.D. Qualifying Examination!
Our paper titled, "Self-Anchored Catalyst Interface Enables Ordered Via Array Formation from Submicrometer to Millimeter Scale for Polycrystalline and Single-Crystalline Silicon" is published in ACS Applied Materials and Interfaces.
Tom's paper titled, "Fabrication of Suspended III-V Nanofoils by Inverse Metal-Assisted Chemical Etching of InGaP/GaAs Heteroepitaxial Films" has been accepted for publication in ACS Applied Materials & Interfaces! For the first time, successful I-MacEtch of the techologically relevant ternary material, InGaP, has been demonstrated here. This work shows a novel technique for the fabrication of suspended III-V nanofoil structures. Congratulations, Tom and all!
Mr. Alex Kolberg joins the group as a COS Physics Capstone Researcher. Welcome, Alex!
Ian has recieved a Research Scholar Award from the College of Science for his work on carbon nanotube-assisted chemical etching. Congrats, Ian, and best of luck at the US ARL!
The EINS Lab was recently awarded a National Science Foundation EAGER grant for exploratory research on nanowire-based multijunction photovoltaics. Please refer to RIT University News and Phys.org press releases for further details.
Congratulations to Tom for accepting a summer internship position at NREL for multi-junction solar cell research as part of the DOE SuNLaMP initiative!
Our paper titled, "Direct Electrical Probing of Periodic Modulation of Zinc-Dopant Distributions in Planar GaAs Nanowires" is published in ACS Nano.
Our paper titled, "Scaling the Aspect Ratio of Nanoscale Closely Packed Silicon Vias by MacEtch" is published in Advanced Functional Materials.
Congratulations to Mohad on passing her Ph.D. Qualifying Examination!
Our paper titled, "Evidences for Redox Reaction Driven Charge Transfer and Mass Transport in Metal-Assisted Chemical Etching of Silicon" is published in Nature's open access journal, Scientific Reports.
Our paper titled, "Direct Observation of Dopants Distribution and Diffusion in GaAs Planar Nanowires with Atom Probe Tomography" is published in ACS Applied Materials & Interfaces.
Our paper titled, "Ultra-High Aspect Ratio InP Junctionless FinFETs by a Novel Wet Etching Method" is published in IEEE Electron Device Letters.
Ms. Amy Florio joins the research group as a COS 2016 Summer Undergraduate Research Fellow. Congratulations on your fellowship and welcome, Amy!
Ms. Sanjna Lakshminarayanamurthy joins the research group as a Graduate Researcher. Welcome, Sanjna!
Mohad is awarded the 2016 Innovation Challenge Grant by the John J. Peters Fund for investigations on nanowire LEDs! Congratulations, Mohad!
Mr. Ian Kecskes joins the research group as a COS Physics Capstone Researcher. Welcome, Ian!
Mr. Thomas Wilhelm joins the research group as a Ph.D. Graduate Researcher. Welcome, Tom!
A recent publications co-authored by Dr. Mohseni, titled “Evolution of GaAs Nanowire Geometry by Selective Area Epitaxy”, is chosen as a “recent favorite” by Applied Physics Letters Associate Editor, Prof. Kei May Lau!
Ms. Mohadeseh Asadolahi-Baboli joins the research group as a Ph.D. Graduate Researcher. Welcome, Mohad!
Our paper titled, “Enhanced Optical Transmission through MacEtch-Fabricated Buried Metal Gratings” is published in Advanced Materials. This publication is part of a collaborative research effort with Professors Daniel Wasserman, Xiuling Li, and Viktor Podolskiy. A ScienceDaily press release on the publication can be found here. This work is also featured as the Feb. 11, 2016 issue frontispiece of Advanced Materials.
Dr. Mohseni gives an invited talk at the 39th IEEE EDS-Photonics Western NY Conference