Cahoon Group - UNC-Chapel Hill

Group news

Find us on social media: @CahoonLabUNC

March 2024
- Congrats to Andrew for his publication -- Combinatorial split-ring and spiral metaresonator for efficient magnon-photon coupling -- in Physical Review Applied!
January 2024
- Congrats to Cullen for his publication -- Monolayer-like Exciton Recombination Dynamics of Multilayer MoSe2 Observed by Pump–Probe Microscopy -- in Nano Letters!
November 2023
- We are so excited to welcome THREE new first-year graduate students! Welcome to Ryan, Will, and Zack!
- Sam L, Alicia, Sam B, Owen, Andrew, and Rob all attended and presented at Carolina Science Symposium! A special congrats to Alicia for winning best oral presentation, and to Sam L for winning a best poster award!
October 2023
- Congrats to Corban for his publication -- Epitaxially Grown Silicon Nanowires with a Gold Molecular Adhesion Layer for Core/Shell Structures with Compact Mie and Plasmon Resonances -- in ACS Nano!
- Congrats to Kelly for her publication -- Omega-Gate Silicon Nanowire Geometric Diodes with Reconfigurable Self-Switching Operation and THz Rectification -- in Advanced Electronic Materials!
- Jim, Sam L, Kelly, and Sam B all attended and presented at Nanowire Week 2023 hosted by Georgia Tech!
June 2023
- Congrats to Jin-Sung for his publication -- Optical Nonlinearity in Silicon Nanowires Enabled by Bound States in the Continuum -- in ACS Nano!
May 2023
- Congrats to Lorenzo for his publication -- Identifying a “Raoult’s Law” Relationship To Modulate the Stoichiometry of Hybrid Perovskite Films by Amino-Deliquescence/Efflorescence in Mixed Amine Vapors -- in J. Phys. Chem. C!
March 2023
- Sam L, Kelly, Cullen, and Alicia all attended and presented at MRS 2023! A special shoutout to Alicia for being nominated for best poster!
- Congratulations to Kelly on publishing her latest work on geometric diodes! --Influence of Geometry on Quasi-Ballistic Behavior in Silicon Nanowire Geometric Diodes -- published in ACS Applied Nano Materials!
- Congratulations to Sam B on publishing his work on ATR spectroelectrochemistry! --In Situ Attenuated Total Reflectance Infrared Spectroelectrochemistry (ATR-IR-SEC) for the Characterization of Molecular Redox Processes on Surface-Proximal Doped Silicon ATR Crystal Working Electrodes -- in J. Phys. Chem. C!
February 2023
- A HUGE congratulations to Taylor T. for publishing her work -- Water Splitting with Silicon p–i–n Superlattices Suspended in Solution -- on multijunction nanowires in Nature!
January 2023
- Welcome to our three newst graduate students, Rob, Owen, and Andrew! Rob will be doing ultrafast spectroscopy, Owen will be working on electron ratchets, and Andrew will be doing quantum magnonics!
November 2022
- Congratulations to Sam B on a paper with the Wang group --Aqueous Photoelectrochemical CO2 Reduction to CO and Methanol over a Silicon Photocathode Functionalized with a Cobalt Phthalocyanine Molecular Catalyst -- published in Angewandte Chemie!
- Congratulations to the entire group on a stellar performance at the Carolina Science Symposium! A special kudos to Alicia for winning 2nd best research poster, and Sam B for 2nd best SEM photo!
September 2022
- Congratulations to Corban on another paper with the Weber group --Reconfigurable Complementary and Combinational Logic Based on Monolithic and Single-Crystalline Al-Si Heterostructures -- published in Advanced Materials!
August 2022
- This summer, the Cahoon Lab participated in the Research Triangle Nanotechnology Network (RTNN) REU and RET programs in partnership with NC State and Duke. These programs bring undergraduate students and local teachers into the lab for a summer research experience. Our REU student, Katie, recently presented her perovskite project!
July 2022
- Congrats to Andre Orr for passing his preliminary exam and becoming our newest PhD candidate!
July 2022
- A massive congratulations to Jim on his promotion to full Professor!
June 2022
- Kelly's paper with the Warren group -- Sc2C, a 2D Semiconducting Electride -- is published in JACS!
May 2022
- Corban's newest paper with the Weber Group -- Monolithic and Single-Crystalline Aluminum–Silicon Heterostructures -- is published in ACS Applied Materials and Interfaces!
April 2022
- We are excited to welcome new graduate student Hyunjung Lee to the Cahoon Lab! She will be working in our photonics project group
April 2022
- CONGRATULATIONS to our queen of Perovskites, Alicia Bryan, on passing her preliminary exam!
February 2022
- Corban's newest paper with the Maggard Group (NC State)-- Unveiling the complex configurational landscape of the intralayer cavities in a crystalline carbon nitride -- is published in Chemical Science!
January 2022
- Happy 2022 from the Cahoon Lab! We gathered to celebrate the holidays and start of the new year while enjoying some homemade ribs and brisket
December 2021
- A warm welcome to our newest student, Samuel Van Amberg! Samuel will be working with us on multijunction silicon nanowires
November 2021
- A huge congratulations to Sam Bottum for passing his preliminary exam!
October 2021
- The Cahoon Lab takes on the 2021 Triangle Student Research Competition 🌟 We had a great time meeting industry scientists and talking about our projects! Shout out to our own Corban Murphey for taking part in planning this event as the UNC Materials Research Society President. Can’t wait until next year!
July 2021
- Jon's paper -- Lithographically Patterning Hybrid Perovskite Single Crystals by Surface-Engineered Amino-Deliquescence/Efflorescence -- is published in ACS Photonics!
June 2021
- With full COVID-19 vaccinations, the group holds its first (outdoor) group party in more than a year and a half! Jimmy and Aaron return to celebrate their PhDs from summer 2020 along with Taylor and Jon's PhDs from summer 2021!
- Our grant -- Optical Bound States and Non-linearity in Geometrically-Modulated Dielectric Nanowires -- is funded by the National Science Foundation!
- Warm welcome to Dylan Storan, visiting us on a Fulbright scholarship from Kevin Ryan's group at the University of Limerick.
May 2021
- Our collaborative grant to create an REU program with Duke and NCSU -- REU SITE: Collaborative Research: Nanoscale Detectives -- Elucidating the Structure and Dynamics of Hybrid Perovskite Systems -- is funded by the National Science Foundation!
- Jim gives a virtual talk at Uppsala University
- Jon's paper -- Amino-deliquescence and Amino-efflorescence of Methylammonium Lead Iodide -- is published in Chemistry of Materials!
- Michael departs to begin his PhD at NCSU. Best of luck, Michael!
- Jon successfully defends his PhD disseration. Congrats, Jon!
April 2021
- Taylor successful defends her PhD disseration. Congrats, Taylor!
March 2021
- Sam Litvin is the recipient of a prestigious NSF Graduate Research Fellowship! Congrats, Sam!
- Sam Bottum is the recipient of a Student Undergraduate Teaching and Staff Award! Congrats Sam for the recognition of your hard work and devotion to improve undergraduate education at UNC!
February 2021
- Taylor's collaborative paper with the Atkin group -- Electrostatic Tip Effects in Scanning Probe Microscopy of Nanostructures -- is published in Nanotechnology!
January 2021
- Former PhD student Seokhyoung Kim begins his independent faculty career at Michigan State University. Congrats and good luck!
December 2020
- Jim gives a talk at the Duke Materials Initiative Hard Matter Workshop.
November 2020
- Jim gives a talk to the Department of Chemistry at Muhlenberg College.
- Congrats to Jon for winning best oral presentation in his session and overall at the Carolina Science Symposium!
- Welcome first-year grad students Sam Bottum, Alicia Bryan, and Andre Orr!
October 2020
- Aaron and Jakes's collaborative paper with the Dempsey and Kanai groups -- Enabling Aqueous NiO Photocathodes by Passivating Surface Sites that Facilitate Proton-Coupled Charge Transfer -- is published in ACS Appl. Energy Mater.!
- Jon is one of UNC's ten finalists for the Three Minute Thesis (3MT) competition. Congrats!
- Aaron's collaborative paper with the Reynolds group -- Organic Chromophores Designed for Hole Injection into Wide-Band-Gap Metal Oxides for Solar Fuel Applications -- is published in Chemistry of Materials!
August 2020
- Aaron and Jimmy depart for their new positions. Best of luck!
- Jim gives a presentation at the 2020 IEEE RAPID conference.
July 2020
- UNC Chemistry will lead the Center for Hybrid Approaches in Solar Energy to Liquid Fuels (CHASE), an Artificial Photosynthesis Hub funded by the Department of Energy! Read the DOE press release here. We look forward to working with all of our collaborators on this project!
June 2020
- Aaron and Jimmy successfully defend their PhD dissertations. Congrats to both!
- Warm welcome to entering first-year graduate student Eliza Neidhart.
- Corban and Seokhyoung's paper with the Cohen-Karni Group -- Remote nongenetic optical modulation of neuronal activity using fuzzy graphene -- is published in PNAS!
May 2020
- Sarah graduates with her M.S. degree in Chemistry. Congrats!
- Taylor T's paper with the Kavanagh Group -- Abrupt degenerately-doped silicon nanowire tunnel junctions -- is published in Nanotechnology!
April 2020
- Jimmy's paper -- Ratcheting Quasi-ballistic Electrons in Silicon Geometric Diodes at Room Temperature -- is published in Science! Read the UNC press release here!
- Tom's paper -- Semi-transparent, Flexible, and Electrically Conductive Silicon Mesh by Capillarity-driven Welding of Vapor-liquid-solid-grown Nanowires over Large Areas -- is published in Nano Research!
January 2020
- Shannon and Jake's paper -- Cation Effects in p-Type Dye Sensitized Solar Cells -- is published in ACS Appl. Energy Mater.!
December 2019
- The group celebrates the 6th annual holiday party!
- Jon and Aaron attend the MRS national meeting in Boston.
- Seokhyoung's paper -- Geometric Nanophotonics: Light Management in Single Nanowires through Morphology -- is published in Acc. Chem. Res.!
November 2019
- Welcome first-year grad students Kelly Beardslee and Sam Litvin!
- Congrats for all the awards at the Carolina Science Symposium at NCSU: Sarah and Jon for the photo contest, Jon for the best poster including XRD, and Jimmy for best talk!
October 2019
- Jon wins the Dorothy M. and Earl S. Hoffman National AVS Student Award at the national AVS conference -- congrats!
- The group particpates in the Triangle Student Research Competition. Congrats Jimmy for winning best poster in Materials Characterization!
- Jim gives an invited talk at the Materials Science and Technology conference in Portland, OR.
September 2019
- The group receives a new grant from the Electrochemical Systems program at the National Science Foundation!
- Jim gives his graduating fellow talk at the Packard Fellows Conference in Monterey, CA. Thank your for the phenomenal five years!
August 2019
- Our collaborative paper with the Papanikolas group -- Observation of Phonon Propagation in Germanium Nanowires Using Femtosecond Pump–Probe Microscopy -- is published in ACS Photonics!
- Welcome to the group undergraduate student Gordon Rogelberg!
June 2019
- The 5th annual group cookout had excellent weather and plenty of good times!
May 2019
- Seokyoung passes his PhD defense and departs UNC to begin his postdoc. Best of luck in the Mirkin group at Northwestern Dr. Kim!
- Jimmy's group placed 2nd at the First Annual
  UNC Sci-Athon. Congrats!
- Jim gives talks at the 50th Silicon Symposium and the European Materials Research Society meeting.
- Jimmy completes the Graduate Certificate in Technology Commercialization and Entrepreneurship.
- Seokyoung's paper -- Optical Bound States in the Continuum with Nanowire Geometric Superlattices -- is published in Phys. Rev. Lett. Congrats!
- Jake and Jeremy graduate with B.S. degrees in Chemistry and Physics, respectively. Congrats!
March 2019
- Sarah and Corban present posters at the 2019 Fitzpatrick Institute for Photonics Symposium at Duke University, and Sarah's poster wins third place overall. Congrats!
February 2019
- Aaron presents a poster at the GRC conference Nanomaterials for Applications in Energy Technology.
December 2018
- The 5th annual group holiday party was a grand success! Many excellent secret santa gifts were exchanged.
- Jim's collaborative project with Dr. Alex Tropsha in Pharmacy is named a Creavtivity Hub Finalist. Congrats!
- Sarah, Corban, and Jimmy participate in the Jingle Bell Jog. Corban takes 3rd place overall!
November 2018
- Seokhyoung gives a talk and wins the Gold MRS Graduate Student Award at the Fall 2018 national MRS meeting. Congratulations!
- Aaron wins the UNC Convergence Fellowship. Congrats!
- Jake Evans receives the David L. Stern Scholarship in Chemistry. Congrats!
- Our collaborative paper with the Boland group at Trinity College Dublin -- Solvent-Engineered Stress in Nanoscale Materials -- is published in ACS Applied Materials and Interfaces!
- Jim gives two talks at the 2018 SERMACS meeting in August, GA.
October 2018
- First-year graduate students Sarah, Corban, and Lorenzo join the group. Welcome!
- David's collaborative paper with the Lugstein group at Technische Universität Wien -- Tuning Electroluminescence from a Plasmonic Cavity-Coupled Silicon Light Source -- is published in Nano Letters!
September 2018
- Jeremy wins the best theory poster at the 6th annual Triangle Student Research Competition!
- David's paper -- Interplay of Surface Recombination and Diode Geometry for the Performance of Axial p-i-n Nanowire Solar Cells -- is published in ACS Nano!
- Jim attends the 2018 Packard Reunion in San Diego.
- Kyoung-Ho departs to begin his faculty position in the Department of Physics at Chungbuk National University. Best of luck!
August 2018
- Seokhyoung gives a talk at the SPIE Optics+Photonics conference in San Diego.
- Jim gives an invited talk at the first IEEE RAPID--Research and Applications of Photonics In Defense--Conference in Miramar Beach Florida.
- David departs after completing his PhD--best of luck in the next steps!
- First year chemistry graduate students arrive--welcome!
July 2018
- The group has the fourth annual cookout and baby Lili's 1st birthday at Jim's house!
- Seokhyoung's paper -- Mie-Coupled Bound Guided States in Nanowire Geometric Superlattices -- is published in Nature Communications! See the UNC press release here.
- David successfully defends his PhD dissertation. Congrats!
- Jim is named the faculty executive director of CHANL, our on-campus nanofabrication and characterization facility
June 2018
- Jim, Jimmy, and Taylor T. give talks at Nanowire Week 2018 in Hamilton, Canada.
May 2018
- Warm welcome to entering first-year graduate student Corban Murphey, recipient of an Alexander Summer Research Fellowship
- Welcome to our summer undergraduate researchers Jake, Jeremy, and Cory!
- Shannon successfully defends her PhD dissertation. Congrats!
- Our Undergraduate Student Jake Evans receives the 2018 ACS Undergraduate Award in Physical Chemistry!
April 2018
- Kyoung-Ho presents at the spring 2018 MRS meeting in Arizona
- The group organizes a booth at the 2018 UNC Science Expo
March 2018
- Jim and Shannon gives talks at the spring national meeting of the American Chemical Society in New Orleans
January 2018
- Jim gives an invited talk at Photonics West in San Francisco
December 2017
- The group holds the fourth annual holiday party!
- Taylor M. begins her post-doc at NREL. Best of luck!
- Jon, Jimmy, Taylor T., Taylor M., David, and Aaron present at the fall national MRS meeting in Boston
November 2017
- Taylor M. and Tom both pass their final defenses--congrats!
- Jon's paper -- Self-Catalyzed Vapor-Liquid-Solid Growth of Lead Halide Nanowires and Conversion to Hybrid Perovskites -- is published in Nano Letters!
- Our collaborative paper -- Enhancement of Light Absorption in Silicon Nanowire Photovoltaic Devices with Dielectric and Metallic Grating Structures -- is published in Nano Letters!
- Our collaboration with the Dempsey group -- Interfacial Electron Transfer Yields in Dye-Sensitized NiO Photocathodes Correlated to Excited-State Dipole Orientation of Ruthenium Chromophores -- is published in Can. J. Chem.!
- Taylor T. presents a poster at the SERMACS conference in Charlotte
October 2017
- David's collaborative paper with the Atkin group -- Mapping Free Carriers in Multijunction Silicon Nanowires Using Infrared Near-Field Optical Microscopy -- is published in Nano Letters!
- Jim's News and Views article -- Letting Photons out of the Gate -- appears in Nature Nanotechnology!
- Jim gives a talk at the 232nd ECS meeting.
- The group participates in the 2017 Triangle Student Research Competition in RTP
September 2017
- David and Taylor B.'s paper -- Encoding Highly Non-Equilibrium Boron Concentrations and Abrupt Morphology in P-Type/N-Type Silicon Nanowire Superlattices -- is published in ACS Applied Materials and Interfaces!
- Taylor M.'s paper is one of the most cited Materials Discovery articles.
- The group is awarded a grant through NC's Research Opportunity Initiative (ROI) that will establish the Center of Hybrid Materials Enabled Electronic Technology (CH-MEET)! Click here to read the press release.
- The RTNN Coursera course Nanotechnology: A Maker's Course goes live! Read the UNC press release here.
- Our collaborative paper with the Papanikolas group -- Probing Intrawire, Interwire, and Diameter-Dependent Variations in Silicon Nanowire Surface Trap Density with Pump–Probe Microscopy -- is published in Nano Letters!
- Jim is awarded the Phillip and Ruth Hettleman Prize for Artistic and Scholarly Achievement by Young Faculty! Click here to read the University Gazette article or here to read the College article.
July 2017
- Our article with the Tropsha group using materials informatics to identify photocathode materials is discussed in the Science Daily article "Breakthrough tool predicts properties of theoretical materials."
- Jim is promoted to Associate Professor with tenure! Many thanks for all hard work from the group over the past six years!
- Group alumnus Dr. Joseph Christesen is awarded a Humboldt Fellowship for his post-doctoral work. Congrats, Joe!
May 2017
- Chris successfully defends his final dissertation. Congrats, Chris!
- The group has the third annual cookout at Jim's house!
- David and Seokhyoung present posters at the Nanowire Week conference in Lund, Sweden.
- Taylor M.'s paper in collaboration with the Tropsha group -- Material Informatics Driven Design and Experimental Validation of Lead Titanate as an Aqueous Solar Photocathode -- is published in Materials Discovery!
- Seokhyoung's paper is highlighted in C&EN Chemistry in Pictures.
April 2017
- Taylor M. is awarded a Department of Chemistry Hiskey Fellowship. Congratulations!
- Aaron, Taylor B., and James all pass their prelim exams. Congrats to all!
- Jim gives a talk at the IEEE-NEMS 2017 meeting in Los Angeles, CA.
- Jae and Morgan successfully defend their undergraduate honors theses. Congrats!
March 2017
- Robert successfully defends his PhD thesis. Congratulations!
- Jon passes his prelim exam. Congrats Jon!
- Seokhyoung's paper -- Designing Morphology in Epitaxial Silicon Nanowires: The Role of Gold, Surface Chemistry, and Phosphorus Doping -- is published in ACS Nano!
- Jim gives talks in the Department of Chemistry at the University of Colorado Boulder and the University of Chicago.
February 2017
- Shannon and Taylor M. present posters at the GRC Nanomaterials for Applications in Energy Technology in Ventura, CA.
- Our collaboration with the T. Meyer group -- All-in-one Derivatized Tandem p+n-Silicon-SnO₂/TiO₂ Water Splitting Photoelectrochemical Cell -- is published in Nano Letters!
- Jim gives a talk in the Department of Chemistry at North Carolina Central University.
January 2017
- The first annual meeting of the National Nanotechnology Coordinated Infrastructure (NNCI), of which the Research Triangle Nanotechnology Network (RTNN) is a site, is held at Georgia Tech.
November 2016
- Welcome Kyoung-Ho Kim, post-doc and visiting scientist from Hong-Gyu Park's group!
- David, Taylor M., Seokhyoung, Chris, & Tom present at the National MRS Fall Meeting in Boston
- Jim co-organizes Symposium NM1 -- Semiconducting Nanowires, Nanoribbons and Heterostructures: Synthesis, Characterizations and Functional Devices -- at the National MRS Meeting in Boston.
October 2016
- Chris' paper -- Barrierless Switching between a Liquid and Superheated Solid Catalyst during Nanowire Growth -- is published in J. Phys. Chem. Lett.!
- Jim gives a talk in the Department of Chemistry at the University of Wisconsin Madison.
September 2016
- Joe departs for Max Planck Institute for Quantum Optics. Best of luck, Joe!
- Jim gives talks in the Department of Chemistry at the University of Utah and at Northwestern University.
July 2016
- Tom and David's article -- Capillarity-Driven Welding of Semiconductor Nanowires for Crystalline and Electrically Ohmic Junctions -- is published in Nano Letters!
- Joe successfully defends his PhD thesis. Congratulations, Joe!
- The group has the second annual cookout at Jim's house!
- Cory's article -- Passivation of Nickel Vacancy Defects in Nickel Oxide Solar Cells by Targeted Atomic Deposition of Boron -- is published in J. Phys. Chem. C!
May 2016
- Cory departs for Eastman Chemical. Best of luck, Cory!
- Jim gives a talk in the Department of Chemistry at Cornell University.
- Our Highlight article in the J. Mater. Chem. C issue "Emerging Investigators 2016: Novel design strategies for new functional materials" is featured on the cover!
April 2016
- The group runs a booth at the annual UNC Science Expo!
- Jon is awarded an NSF graduate research fellowship. Congratulations, Jon!
- Cory successfully defends his PhD thesis. Congratulations, Cory!
March 2016
- Shannon's paper -- Compositionally-tunable mechanochemical synthesis of Zn_xCo_3-xO₄ nanoparticles for mesoporous p-type photocathodes -- was named a 🔥hot paper🔥 of 2015 for J Mat. Chem. A!
- Jim gives a talk in the Department of Chemistry at Johns Hopkins University.
- Seokhyoung passes his prelim exam. Congrats!
February 2016
- Jim gives talks in the Departments of Chemistry at Georgia Institute of Technology, Emory University, Rice University, and the University of Texas at Austin.
January 2016
- Our Perspective article -- Chemically Engraving Semiconductor Nanowires: Using Three-Dimensional Nanoscale Morphology to Encode Functionality from the Bottom Up -- is published in J. Phys. Chem. Lett.!
- Cory's article -- Site-Selective Passivation of Defects in NiO Solar Photocathodes by Targeted Atomic Deposition -- is published in ACS Appl. Mater. Interfaces!
- Our Highlight article -- Understanding the Vapor-Liquid-Solid Mechanism of Si Nanowire Growth and Doping to Synthetically Encode Precise Nanoscale Morphology -- is published in J. Mater. Chem. C for the upcoming Emerging Investigators issue!
- The group is awarded an NSF CAREER grant. Thanks for the continuing support from the National Science Foundation!
- Jim gives a talk in the Department of Chemistry at the University of Illinois Urbana-Champaign.
December 2015
- Taylor's paper -- Designing Plasmon-Enhanced Thermochromic Films Using a Vanadium Dioxide Nanoparticle Elastomeric Composite -- is published in Adv. Opt. Mater.!
- Jim gives an invited talk at the 9th International Conference on Advanced Materials and Devices, ICAMD2015, on Jeju island, South Korea.
- Our collaborative paper with the Papanikolas group -- Imaging Spatial Variations in the Dissipation and Transport of Thermal Energy within Individual Silicon Nanowires Using Ultrafast Microscopy -- is published in Nano Letters!
October 2015
- A warm welcome to new group members Taylor B., Aaron, Jimmy, and Jon!
- Shannon's paper -- Compositionally-Tunable Mechanochemical Synthesis of Zn_xCo_3-xO₄ Nanoparticles for Mesoporous p-Type Photocathodes -- is published in J. Mater. Chem. A!
- Jim co-organizes the 2015 Solar Energy Research Center (SERC) conference "Building the Dye-Sensitized Solar Fuel Device" in Chapel Hill, NC.
- Jim gives a talk on new advances in NiO solar photocathodes at the NC Photochem 2015 Symposium 2015 held in Charlotte, NC.
September 2015
- The RTNN (Research Triangle Nanotechnology Network) is selected as a 5-year $5.5 million site in the NSF's National Nanotechnology Coordinated Infrastructure (NNCI) network. Joint between Duke, NCSU, and UNC, Jim is co-PI and UNC site director, working closely with Carrie Donley, director of CHANL. Click here to read the UNC press release.
- The group participates in the 3rd Annual Triangle Student Research Competition, organized by the UNC-CH, Duke, and NCSU Materials Research Society chapters and the Triangle Electrochemical Society. The group wins the prize for top participating research group!
- Jim gives a talk at the 27th Annual Packard Fellows Meeting in Monterey, CA.
July 2015
- The group has the first annual cookout at Jim's house!
- Jim gives a talk at the Cottrell Scholars Conference in Tucson, AZ.
May 2015
- Jim gives a talk at the 9th International Conference on Silicon Epitaxy and Heterostructures in Montreal, Canada
April 2015
- The group participates in the annual UNC Science Expo, demonstrating smart-phone based light microscopy of materials. As part of the event, CHANL makes a "nano-portrait" of the group. Thanks CHANL!
- Shannon passes her prelim exam. Congrats Shannon!
March 2015
- Shannon and David H. are BOTH awarded NSF Graduate Research Fellowships! Congratulations!
- David H. passes his prelim exam. Congrats David!
February 2015
- Robert and David H. give poster presentations at the GRC conference "Nanomaterials for Applications in Energy Technology" in Ventura, CA.
- Jim is awarded a 2015 Sloan Research Fellowship. Many thanks to the Alfred P. Sloan Foundation for this support! The fellowships "seek to stimulate fundamental research by early-career scientists and scholars of outstanding promise." Click here to read the Sloan Foundation announcement or click here to read the UNC press release.
- Jim is awarded a 2015 Cottrell Scholar Award from the Research Corporation for Science Advancement. This program "develops outstanding teacher-scholars who are recognized by their scientific communities for the quality and innovation of their research programs and their academic leadership skills." Many thanks for this generous support of our research and teaching initiatives! Click here to read the official announcement
January 2015
- Esther gives a poster presentation at the Young Generation Technical and Leadership Conference in Orlando, Florida
- Cory gives a poster presentation at the Inter-American Photochemical Society Conference in Sarasota, Florida
December 2014
- Robert and David's collaborative work on enhancing absorption in nanowire solar cells is published in Nano Letters -- Doubling Absorption in Nanowire Solar Cells with Dielectric Shell Optical Antennas.
November 2014
- Joe's paper -- Encoding Abrupt and Uniform Dopant Profiles in Vapor-Liquid-Solid Nanowires by Suppressing the Reservoir Effect of the Liquid Catalyst -- is published in ACS Nano.
October 2014
- We've added another group member. Welcome Seokhyoung!
- Jim is awarded a 2014 Packard Fellowship for Science and Engineering, which provides $875,000 in flexible funding over 5 years. Many thanks to the Foundation for this generous support! Click here to read the Packard Foundation announcement or click here to read the UNC press release.
- Our collaborative EFRC project to develop new p-type photoelectrode materials, led by Candy Mercado and Art Nozik at NREL, is published in J. Phys. Chem. C.