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January 28, 2020 – New Publication!

Congratulations to Yu-Chung Lin, Xiaoyang Liu, and Chonghang Zhao for their article "Unveiling 3D Morphology of Multiscale Micro-Nano Silver Sintering for Advanced Electronics Manufacturing by Ptychographic X-ray Nano-Tomography" published in Advanced Engineering Materials!

Adv. Eng. Mater., 2020


January 6, 2020 – Our research on BNL webpage highlight!

The work conducted by Ph.D students   Chonghang Zhao and Cheng-Hung Lin on solid state interfacial dealloying of thin films was highlighted on the website of  Brookhaven National Laboratory as one of the Top-10 Science and Technology Achievements of 2019!

See  here for the full story, in “Understanding Thin Films for Future Applications”:

https://www.bnl.gov/newsroom/news.php?a=116966


December 17, 2019 – New Publication!

Congratulations to  Lijie Zou, Chonghang Zhao, Qingkun Meng, Xiaoyang Liu, and Cheng-Hung Lin  for their article " Designing Multiscale Porous Metal by Simple Dealloying with 3D Morphological Evolution Mechanism Revealed via X-ray Nano-tomography " published in ACS Applied Materials and Interfaces. Well done!

ACS Appl. Mater. Interfaces, 2020;   https://doi.org/10.1021/acsami.9b16392


  November 20, 2019 – Our research on BNL webpage highlight!

The work conducted by Ph.D students  Chonghang Zhao and Cheng-Hung Lin on solid state interfacial dealloying of thin films was highlighted on the website of Brookhaven National Laboratory! The paper published was also highlighted as a journal cover for Materials Horizons, published online on Nov.18. A video as part of the work is also available online at BNL’s YouTube channel. The multi-modal characterizations were in collaboration with National Synchrotron Light Source – II (NSLS-II) as well as Center for Functional Nanomaterials (CFN) at Brookhaven National Laboratory.

See   here for the full story:



August 25-28, 2019 –  Conference & Research Presentations! Molten Salt Symposia at the American Chemical Society (ACS) Fall 2019 Meeting

A big thanks to Prof. Karen Chen-Wiegart for co-organizing a joint Symposium on Molten Salt Chemistry with Dr. Joanna Mcfarlane & Dr. Kristian Myhre from Oak Ridge National Laboratory, Dr. James Wishart from Brookhaven National Laboratory and Dr. Ruchi Gakhar from Idaho National Laboratory, at the 2019 Fall ACS Meeting. The symposium was jointly organized by the Nuclear Chemistry and Technology (NUCL) Division and the Industrial & Engineering Chemistry (I&EC) Division. Prof.  Karen Chen-Wiegart also gave an invited oral presentation and Arthur Ronne presented a poster.

ACS Prof. Molenium learning about molten salt corrosion with Arthur!
 
ACS      ACS
Left: Organizers for the Symposium on Molten Salt Chemistry at the ACS Fall 2019 Meeting: (left to right) Dr. Kristian Myhre, Dr. Joanna Mcfarlane, Dr. Ruchi Gakhar, Dr. James Wishart and  Prof. Karen Chen-Wiegart; Right: Dr. Richard T. Mayes (left) from  the Oak Ridge National Laboratory representing I&EC, presented Certificates of Appreciation to Dr. Wishart, Dr. Gakhar and Prof. Chen-Wiegart for their efforts in co-organizing the Molten Salt Symposia at the ACS Fall 2019 Meeting

  August 20-23, 2019  – Conference & Research Presentations!

Congratulations to the visiting scholar Prof. Qingkun Meng for his research presentation and Prof. Karen Chen-Wiegart for her invited presentation at 11th International Conference on Porous Metals and Metallic Foams (MetFoam 2019) in Dearborn, MI organized by the Minerals, Metals & Materials Society (TMS).

(left-top) Oral presentation by Qingkun Meng, (left-bottom) Prof. Karen Chen-Wiegart chaired the session of Nanoporous Metals, (right) Prof. Karen Chen-Wiegart, Prof. David Dunand from Northwestern, Karen’s Ph.D. advisor, and Prof. Qingkun Meng. 

  August 12– 13 , 2019 – All-Hands Meeting for Molten Salts in Extreme Environment (MSEE) Energy Frontier Research Center (EFRC)

Arthur Ronne, Prof. Karen Chen-Wiegart and the entire Molten Salts in Extreme Environment (MSEE) team met up in Oak Ridge National Laboratory for a two-day meeting of scientific discussions, talks, tours, and presentations. 

 

                            MSEE EFRC          Poster

Left: The MSEE EFRC team photo taken at Oak Ridge National Laboratory; Right: Arthur Ronne presenting a poster during the MSEE EFRC all-hands meeting

  July 29 – 30, 2019 –Conference & Research Presentations! Poster Presentation at the 2019 EFRC PI Meeting

Congratulations to Arthur Ronne for his poster presentation at the 2019 Energy Frontier Research Centers Principal Investigator’s Meeting, an invite-only conference attended by about 650 scientists from  the Energy Frontier Research Centers (EFRCs) and the US Department of Energy.  The meeting gathered senior members and early career scientists from more than 100 institutions to discuss about the science for our energy future.

Poster


  July 29, 2019 – Workshop participation!

Prof. Chen-Wiegart was invited to participate in the National Aeronautics and Space Administration (NASA)- International Space Station National Laboratory (ISSNL) co-sponsored workshop, “Materials Science in Space”, held at Atlanta, GA.


  July 24-25, 2019 – Courses on Tomviz and ParaView software at Kitware Inc.

Prof. Karen Chen-Wiegart and her students – Cheng-Hung Lin, Chonghang Zhao and Xiaoyang Liu visited Kitware Inc. at Clifton Park, NY to participate in the courses on open-source software - Tomviz and ParaView. Prof. Chen-Wiegart is in collaboration with Kitware Inc. to further develop TomViz to suite the needs of synchrotron X-ray imaging and tomography data analysis.

 From left to right: Dr. Marcus D. Hanwell (Kitware Inc.), group members, Xiaoyang Liu, Cheng-Hung Lin, Chonghang Zhao and Prof. Karen Chen-Wiegart.

July 22, 2018 – Workshop participation!

Prof. Chen-Wiegart was invited to participate in the National Science Foundation (NSF) - Center for the Advancement of Science in Space (CASIS) co-sponsored workshop “Materials in Space”, held in San Francisco, CA.


  July 29, 2019 – Best Overall Video at 2019 Energy Frontier Research Center Principal Investigator Meeting

Congratulations to Arthur Ronne, Prof. Karen Chen-Wiegart and the entire MSEE team for their work on the “Salt for the Earth” video which won “Best Overall” in the Life at the Frontiers of Energy Research Video Contest at the 2019 EFRC PI Meeting!


  June 19-21, 2019 – Conference & Research Presentation!

 Prof. Chen-Wiegart was invited to present at The Hamburg Collaborative Research Center SFB 986, annual workshop on " Tailor-Made Multiscale Materials Systems", Hamburg, Germany, June 19-21, 2019. Her talk subject was on: “Synchrotron X-ray Multi-Dimensional & Multi-Modal Study: Multiscale Materials System by Dealloying”


  June 19, 2019 – New Publication!

Congratulations to  Chonghang Zhao  for his article " Bi-continuous pattern formation in thin films via solid-state interfacial dealloying studied by multimodal characterization " published in Materials Horizons. 

Mater. Horiz., 2019, Advance Article  https://doi.org/10.1039/C9MH00669A


May 26-30, 2019 – Conference & Research Presentations!

Congratulations to Cheng-Hung Lin and Xiaoyang Liu for their research presentations and Prof. Karen Chen-Wiegart for her invited presentation ‘Multi-Modal and Operando Synchrotron Investigation of Energy-Storage Materials’ in Symposium I05 – Heterogeneous Functional Materials for Energy Conversion and Storage 2 at the 235th ECS Meeting in Dallas, TX organized by the The Electrochemical Society.

 (left) Oral presentation by Xiaoyang Liu , (middle) group photo of Prof. Karen Chen-Wiegart, Xiaoyang Liu , and Cheng-Hung Lin (right) Oral presentation by Cheng-Hung Lin at the 235th ECS Meeting in Dallas, TX .


May 24, 2019 – Graduation !

Congratulations to Bryan Conry for his graduation and receiving bachelor degree!

 (left) Bryan Conry and Prof. Karen Chen-Wiegart, (right) Bryan Conry was receiving his degree in the graduation ceremony of College of Engineering & Applied Sciences at Stony Brook University.


May 20-22, 2019 – Conference & Research Presentation!

Congratulations to all the group members who presented posters during the 2019 Annual Users Meeting of Center For Functional Nanomaterials and National Synchrotron Light Source – II  at Brookhaven National Laboratory (BNL)!

Prof. Chen-Wiegart presented in  “Molten Salt Properties, Structures and Interfaces Under Extreme Environments” and “Data Challenges and Frontier of Analysis Techniques in X-ray Microscopy” workshops as an invited speaker, and also organized “Multi-modal Synchrotron Approach – Research Needs and Scientific Vision” workshop in the 2019 CFN –NSLS-II users meeting.

Chen-Wiegart group members presented the posters in 2019 CFN –NSLS-II users meeting at Brookhaven National Laboratory. (Left to right) Chen-Hung Lin, co-author Dr. S. Petrash (Henkel Corp.) and Xiaoyang Liu, Arthur Ronne, Bryan Conry, Olivia Chen, Lijie Zou, (Top to bottom) Qingkun Meng, Chonghang Zhao.

The Chen-Wiegart Research Group at NSLS-II/CFN Users Meeting.


April 24, 2019 – Undergraduate Research Symposium!

 Congratulations to Olivia Chen and Bryan Conry for their poster presentation at the Undergraduate Research & Creative Activities in Student Activities Center (SAC), Stony Brook University, organized by the URECA (Undergraduate Research and Creative Activities) Program. Olivia presented her work on 3D printing batteries under the guidance of Ph.D. student, Cheng-Hung Lin, and in collaboration with Brookhaven National Laboratory. Bryan presented his team work for the senior project. Well done!

 (left) Group photo of Olivia Chen, Bryan Conry and Prof. Karen Chen-Wiegart, (right) Group members with Prof. Karen Chen-Wiegart.


March 27, 2019  - Conference & Research Presentations!

The WISE Research Showcase was an event hosted by the Women in Science and Engineering (WISE) Honors program. Olivia Chen, group member, presented her poster on the Additive Manufacturing of Batteries to industry sponsors, professional engineers, and WISE students. It was an event that celebrated the achievements of WISE students and women in STEM at Stony Brook University.

Olivia Chen presenting her poster at the WISE Research Showcase was an event hosted by the Women in Science and Engineering (WISE) Honors program of Stony Brook University.


  March 14, 2019 – New Publication!

Congratulations to  Xiaoyang Liu for her article " Environmentally Friendly Zr-Based Conversion Nanocoatings for Corrosion Inhibition of Metal Surfaces Evaluated by Multimodal X-ray Analysis " published in ACS Applied Nano Materials. 

ACS Appl. Nano Mater. 2019241920-1929.  https://doi.org/10.1021/acsanm.8b02309


March 10-14, 2019 – Conference & Research Presentations!  

Congratulations to Lijie Zou for her research presentation at the TMS 2019 Annual Meeting & Exhibition in San Antonio, Texas organized by the TMS Meeting Services. Well done!


Feburary 24-28, 2019 – Conference & Research Presentations!

Congratulations to Chonghang Zhao for his research presentation and Prof. Karen Chen-Wiegart   for her invited presentation at the Third International Symposium on Nanoporous Materials by Alloy Corrosion. Well done!


  October 1, 2018 – Welcome New Group Members!

Welcome Arthur Ronne, Ke Sun, Olivia Chen and Bryan Conry joining the group! Arthur is joining the   DOE EFRC Molten Salts in Extreme Environments  project.  Ke is joining the   DOE EFRC Center for Mesoscale Transport Properties. Olivia will be working with Cheng-Hung Lin on 3D printing battery, in collaboration with BNL. Bryan will be working with Chonghang Zhao on oil paint composites in collaboration with the Metropolitan Museum of Art. Welcome!


September 24, 2018 – Conference & Research Presentations!

Congratulations to Cheng-Hung Lin and Xiaoyang Liu for their research presentations at Stony Brook University (SBU)- Brookhaven National Laboratory (BNL) Workshop on Additive Manufacturing / 3D Printing Research .


 Poster presentations from Cheng-Hung Lin (top) and Xiaoyang Liu (bottom) at the SBU-BNL Workshop on Additive Manufacturing / 3D Printing Research.


  August 17, 2018 – Graduation !

Congratulations to Xiaoyang Liu and Yu-Chung Lin for their graduation and receiving master degree!

(Left) Group photo of Xiaoyang Liu, Prof. Karen Chen-Wiegart, and Yu-Chung Lin, (Right) Xiaoyang Liu and Yu-Chung Lin .


August 8, 2018 – New Publication!

Congratulations to Chonghang Zhao   for his article " Imaging of 3D morphological evolution of nanoporous silicon anode in lithium ion battery by X-ray nano-tomography " published in Nano Energy. 

Nano energy, 52, pp.381-390. https://doi.org/10.1016/j.nanoen.2018.08.009


August 3, 2018 - Research Symposium for REU Program

Congratulations to Kevin Kucharczyk for his research presentation ‘Viscoelastic Ink Design for 3D Printing Batteries’ in CIE Summer Research Internships 2018, NSF REU: Nanotechnology for Health, Energy & the Environment & NIH IMSD-MERGE at Wang Center, Stony Brook University.  The National Science Foundation (NSF) Research Experiences for Undergraduates (REU) program supports active research participation by undergraduate students.
REU

From left to right: Chonghang Zhao, Cheng-Hung Lin, Kevin Kucharczyk, Prof. Karen Chen-Wiegart, Xiaoyang Liu, and Yu-Chung Lin.


  June 3-5, 2018 – Workshop!

Prof. Chen-Wiegart is attending Young Investigators Workshop organized by the Division Of Materials Research, Direct For Mathematical & Physical Science, National Science Foundation!

Workshop


May 30, 2018 – Welcome New Group Member!

Welcome Kevin Kucharczyk, a Summer Undergraduate Student joining via  NSF Research Experiences for Undergraduates (REU) Program – the REU site at Stony Brook University:  Nanotechnology for Health, Energy and the Environment!

Kevin

Group dinner to welcome the new group member, Kevin!


May 28, 2018 – New Service Role!

Prof. Chen-Wiegart was elected to serve on the Users’ Executive Committee (UEC) of  Center for Functional Nanomaterials (CFN)  at Brookhaven National Laboratory. The CFN UEC represents the scientific user community at the CFN.


May 24, 2018 – Invited Research Presentation!

Prof. Chen-Wiegart was invited to deliver a research seminar at the Materials and Manufacturing Directorate of Air Force Research Laboratory (AFRL), Dayton, OH.


  May 21-23, 2018 – Conference & Research Presentation! 

Congratulations to all the group members who presented posters during the   2018 Annual Users Meeting of Center For Functional Nanomaterials and National Synchrotron Light Source – II  at Brookhaven National Laboratory (BNL)!

Prof. Chen-Wiegart also presented in  “Characterization of Electrochemical Energy Storage Systems: Advanced Spectroscopy, Microscopy and Diffraction Techniques”  workshop as an invited speaker.

Conference

(Left to right) Chen-Hung Lin and co-author Dr. E. Stavitski (BNL), Chonghang Zhao, Lijie Zou, Yu-Chung Lin, Xiaoyang Liu and co-author Dr. S. Petrash (Henkel Corp.)
Conference

(Left) the Chen-Wiegart Research Group at NSLS-II/CFN Users Meeting, (Right) Group member Cheng-Hung Lin discussing his research with collaborator.


May 13-17, 2018 – Conference & Research Presentations!

Congratulations to   Cheng-Hung Lin and Xiaoyang Liu for their research presentations at the   233rd ECS Meeting in Seattle, WA  organized by the The Electrochemical Society. Well done!

Conference

(left) Oral presentation by Cheng-Hung Lin and (right) Poster presentation by Xiaoyang Liu at the 233rd ECS Meeting, Seattle, WA.


May 02, 2018 – Our research on BNL webpage highlight!

The work conducted by Ph.D students   Chonghang Zhao and Cheng-Hung Lin was highlighted on the website of Brookhaven National Laboratory! The work was in collaboration with the Sustainable Energy Technologies Department as well as NSLS-II at Brookhaven Lab.

See   here  for the full story:


April 05, 2018 – Conference & Research Presentations!

Congratulations to   Yu-Chung Lin and Chonghang Zhao   for their research presentations at the  2018 MRS Spring Meeting & Exhibit  organized by the Materials Research Society. Well done!

(left) Poster presentation by Yu-Chung Lin, (middle) group photo of Yu-Chung Lin, Prof. Karen Chen-Wiegart and Chonghang Zhao, (right) oral presentation by Chonghang Zhao at MSR Spring 2018 Meeting, Phoenix, AZ.


March 20, 2018 – Professor Karen Chen-Wiegart receives the prestigious NSF CAREER Award!

The story was highlighted at the Department of Materials Science and Engineering’s homepage:
NSF CAREER Award: Professor Karen Chen-Wiegart Advancing Metallic Nano-Materials with X-ray Methods and Nanotechnology at Brookhaven Lab

See the full story   here, written by Adrian Hurtado, edited by Chris Maio and Ricarda Laasch.

The story was also   highlighted   at Brookhaven National Laboratory, as well as at the Stony Brook University’s Homepage’s   Stony Brook Matters.

NSF Career


  March 6, 2018 – Our Research on the News!

Prof. Karen Chen-Wiegart and her work in collaboration with the Metropolitan Museum of Art was reported in the News!

See   here  for the news article, reported by Daniel Dunaief – also available in print!

 


March 1, 2018 – Welcome New Group Member!

Welcome Qingkun Meng joining the group as a Visiting Scholar! He is visiting from the School of Materials Science & Engineering, China University of Mining and Technology, where he is an Assistant Professor.


Jan. 3, 2018 – Welcome New Group Member!

Welcome Lijie Zou joining the group as a Visiting Scholar! She is visiting from the School of Materials Science and Engineering, Wuhan University of Technology, where she is a Ph.D. Candidate.

  Group dinner to welcome Lijie joining the group after a beamtime at NSLS-II!


November 2, 2017 – Conference & Research Presentations!

Congratulations to   Chonghang Zhao, Cheng-Hung Lin, Xiaoyang Liu and Yu-Chung Lin  for their oral presentations at the   Brookhaven National Laboratory Early Career Researcher Symposium 2017. Well done!

Conference

(from left to right) Top: Cheng-Hung Lin, Chonghang Zhao, Group members with the Symposium Organizer; Bottom: Xiaoyang Liu,  Group members with Prof. Karen Chen-Wiegart, Yu-Chung Lin.


  November 1, 2017 – Invited Research Presentation!

Prof. Chen-Wiegart  presented an invited departmental seminar in the  Department of Mechanical and Aerospace Engineering at University of Florida, Gainesville, FL as well as in the “Novel Trends in Synchrotron and  FEL -Based Analysis Focus Topic Symposium” at Tampa, FL. She speaks about  Multi-modal and   Multi-dimensional   S ynchrotron   I nvestigation   of   Functional   M aterials.

Florida

(Left) New Engineering Bldg. at University or Florida (Image Credit https://commons.wikimedia.org/wiki/File:UF_NewEngineeringBuilding.jpg), (Right) Prof. Chen-Wiegart visits the campus.


  October 11, 2017 – New Publication!

Ph.D. students   Cheng-Hung Lin  and   Chonghang Zhao  in   Prof. Chen-Wiegart’s group teamed up with scientists at Brookhaven National Laboratory to study lithium-sulfur batteries using multi-modal synchrotron techniques at National Synchrotron Light Source II. A new article “Operando Multi-modal Synchrotron Investigation for Structural and Chemical Evolution of Cupric Sulfide (CuS) Additive in Li-S battery” is published in   Scientific Reports.

  

Scientific Reports 7, Article number: 12976 (2017) doi:10.1038/s41598-017-12738-0


  September 16, 2017 – Research Presentation!

Prof. Chen-Wiegart Wuhan University of Technology, Wuhan, China as well as in the “International Conference on Porous Metals and Metallic Foams – MetFoam 2017” in Nanjing. She presents the latest results from the group on functional materials, including 3D characterizations of nano-/meso-porous metals.
MetFoam

(Left) Prof. Chen-Wiegart at Wuhan University of Technology. (Right) Prof. David Dunand from Northwestern University and Prof. Chen-Wiegart at MetFoam2017 Conference. Prof. Dunand was Prof. Chen-Wiegart’s Ph.D. thesis advisor as well as the advisory board member of the MetFoam conference. 


September 4, 2017 – New Publication!

Ph.D student   Chonghang Zhao  in   Prof. Chen-Wiegart’s group utilized cutting-edge synchrotron X-ray nano-tomography techniques to study the formation of three-dimensional structure of nano-porous metals by a novel liquid metal dealloying method. A new article “ 3D Morphological and Chemical Evolution of Nanoporous Stainless Steel by Liquid Metal Dealloying ” is published in   ACS Applied Materials and Interfaces.

ACS Appl. Mater. Interfaces, 2017, 9 (39), pp 34172–34184 DOI: 10.1021/acsami.7b04659


May 15, 2017 – Research Presentation!

During the   2017 Annual Users Meeting of Center For Functional Nanomaterials and National Synchrotron Light Source – II  at Brookhaven National Laboratory, M.S. students and Ph.D. Students from Prof. Chen-Wiegart’s group presented poster presentation to show case their research projects in energy storage, anti-corrosion nano-coatings, nanoporous metals and 3D structure for electronics packaging.   Prof. Chen-Wiegart  co-organized a workshop   “Multi-dimensional and Multi-modal X-ray Imaging and Analysis”  and also presented in  “Nano-mechanics: From Material Fabrication to In-Operando Characterization”  workshop as an invited speaker.

Research    Research

  (From left to right) Ph.D. Student Cheng-Hung Lin presents a poster on energy storage research, M.S. Student Xiaoyang Liu presents a poster on anti-corrosion nano-coating, Ph.D. Student Chonghang Zhao presents a poster on new nanoporous metals, M.S. Student Yu-Chung Lin presents on 3D structure for electronics packaging.


  Feb. 10, 2017     Welcome New Group Members!

Welcome new group members, M.S. students   Xiaoyang Liu  &   Yu-Chung Lin!


Jan. 19, 2017    Chen-Wiegart Research Group @ Stony Brook University!

Welcome to Chen-Wiegart Group at Stony Brook University with initial group members:   Prof. Karen Chen-Wiegart, PhD students   Chonghang Zhao  &   Cheng-Hung Lin!


May 2016   M.S. Thesis!

Congratulations to   Chonghang Zhao  and   Hua Jiang  for completing their M.S. Thesis!


Mar 2015   M.S. Projects at Brookhaven National Laboratory!

Welcome New Group Members – MS students   Chonghang Zhao  and   Hua Jiang  to join the M.S. projects at Brookhaven National Laboratory