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!

May 30, 2018 – Welcome New Group Member!

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

Group dinner to welcome the new group member, Kevin!

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 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 21-23, 2018 – Conference & Research Presentation! 

Congratuations 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.

(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.)

(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!

(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.

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!

(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 Synchrotron Investigation of Functional Materials.

(Left) New Engineering Bldg. at University or Florida (Image Credit, (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

October 6, 2017 – Outreach Activity!

Prof. Chen-Wiegart was invited to speak on the panel in the event hosted by Suffolk Community College : Women in Manufacturing – STEM Summit.  The speakers in different panels  explore the importance and impact that women have in manufacturing-related sectors and how STEM education can support further growth in these industries.

(Left) Prof. Chen-Wiegart addressed to the audience in th e event. (Right) Prof. Chen-Wiegart (2nd from the left) and other panelists in the STEM education panel.

September 23, 2017 – Outreach Activity!

During the Communiversity Day event at Stony Brook University, students in Prof. Chen-Wiegart’s group teamed up with the Educational Center and National Synchrotron Light Source – II of Brookhaven National Laboratory to display a synchrotron model.

(Left) From left: Prof. Chen-Wiegart, Dr. Stanley – Stony Brook University President, M.S. Student Yu-Chung, M.S. Student Xiaoyang  (Middle) M.S. Student Yu-Chung, Ph.D. Student Chonghang, M.S. Student Xiaoyang, Ph.D. Student Cheng-Hung, Prof. Chen-Wiegart, BNL staff Nora Sundin. (Right) The group explained the model to young students.

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.

(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

Aug. 20, 2017 – Group Event!

1st Chen-Wiegart Research Group Annual BBQ!

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.

(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