Recent Publications

Layer-by-Layer Assembly of Zeolite/Polyelectrolyte Nanocomposite Membranes with High Zeolite LoadingEnvironmental Science & Technology Letters  2014, 1, 504-509

One -Step Dual Template Synthesis of Hybrid Lamellar-Bulk MFI ZeoliteJournal of Materials Chemistry  2014, 2, 13388-13397

"Catalytic Consequences of Micropore Topology, Mesoporosity, and Acidity on the Hydrolysis of Sucrose over Zeolite Catalysts"Catalysis Science & Technology  2014, 2, 13388-13397

"Dual Template Synthesis o f Meso- and Microporous MFI Zeolite Nanosheet Assemblies with Tailored Activity in Catalytic Reactions" Chem. Mater. 2014, 26, 1345-1355 (PDF)

"Textural and catalytic properties of Mo loaded hierarchical meso-/microporous lamellar MFI and MWW zeolites for direct methane conversion" Appl. Catal. A 2014, 470, 1684-1687 (PDF).

"Synthesis of Self-Pillared Zeolite Nanosheets by Repetitive Branching" Science 2012, 29, 1684-1687 (PDF).

Recent Group News

May, 2014
April, 2014
March, 2014
February, 2014
January, 2014
November, 2013
Octomber, 2013
September, 2013
July, 2013
February,2013
January, 2013
October, 2012
August, 2012
July, 2012
June, 2012
May, 2012
March, 2012
Janary, 2012
Septmber, 2011
January, 2011

 

 
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Our research group is housed in department of Chemical & Biomolecular Engineering at the University of Maryland College Park. Our research stays at the interface of materials synthesis and catalytic science, with an emphasis on precisely controlling composition and constitution of nanostructured particles and membranes for energy conversion and storage, and water purification applications.

Group News

Yiqing's paper published in Journal of Catalysis (December, 2014)

leafYiqing's paper on the "Spatial distribution and catalytic performance of metal-acid sites in Mo/MFI catalysts with tunable meso/microporous lamellar zeolite structures" appears in Journal of Catalysis. Congratulations!





Yan and Laleh's paper published in Environmental Science & Technology Letters (December, 2014)

leafYan (Dr. Mi Group) and Laleh's paper on the "Layer-by-Layer Assembly of Zeolite/Polyelectrolyte Nanocomposite Membranes with High Zeolite Loading" appears in Environmental Science & Technology Letters. Congratulations!





Laleh wins Harry K. Wells Graduate Fellowship (May, 2014)

leafLaleh has been awarded the Harry K. Wells Endowed Fellowship. The award was established to provide annual fellowships for Clark School graduate students working on energy engineering and alternative energy sources in conjunction with the University of Maryland Energy Research Center (UMERC).  Congratulations to Laleh!


Maryland Day Exhibition (April, 2014)

leafLaleh, Yiqing, Su, Baoyu and Christina show Science and technology to public during 16th annual Maryland Day. See pictures here.




  Oluwakonyinsola (Konyin) won Senior Robert L. Wistort Best Presentation Awards (April, 2014)


leafHigh school student Oluwakonyinsola’s project in the group “Optimizing the Catalytic Ability of Lamellar MFI Zeolites” won Senior Robert L. Wistort Best Presentation Awards of Prince George Science Fair Association. She placed third in the chemistry category, which is comprised of over 100 other chemistry related projects. 

Konyin will study Chemical Engineering at Columbia University (New York) this coming fall. Congratulations!


Laleh, Yiqing and Guanghui's paper in Chemistry of Materials is one of the most read articels (March, 2014)

leafLaleh,Yiqing and Guanghui's paper "Dual Template Synthesis of Meso-/microporous MFI Zeolite Nanosheet Assemblies with Tailored Activity in Catalytic Reactions" is one of the most read articles in Chemistry of Materials.



Yiqing and Will win NSF Travel Award (February, 2014)

leafleafYiqing and Will have received travel grants from the National Science Foundation (NSF) to attend the Short Course and Workshop on Shale-Gas Monetization , to be held March 26-28 in Montgomery, Texas. Check here for details.



Welcome new group members (February, 2014)

leafleafleafSu Cheun Oh, Mann Sakbodin, and Will Gibson joined the group.

Su obtained her B. S. degree in Chemical Engineering from UMD and joined the group as a Ph. D. student.

Mann obtained his B. S. and M. S. degree in Chemical Engineering from Tufts University with Professor Maria Flytzani-Stephanopoulos. He joined the group as a Ph. D. student after a few years indurstiral experience.

Will obtained his Ph. D. degree in Chemical Engineering from UMD with Professor Greg Jackson. He joined the group as a research associate.


Laleh, Yiqing and Guanghui's paper published in Chemistry of Materials (January, 2014)

leafLaleh,Yiqing and Guanghui's paper "Dual Template Synthesis of Meso-/microporous MFI Zeolite Nanosheet Assemblies with Tailored Activity in Catalytic Reactions" is published in Chemistry of Materials. Congratulations.




Yiqing and Laleh's paper published in Applied Catalysis A (November, 2013)

leafYiqing and Laleh's paper "Textural and Catalytic Properties of Mo Loaded Hierarchical Meso-/microporous Lamellar MFI and MWW Zeolites for Direct Methane Conversion" is published in Applied Catalysis A: General. Congratulations.





Baoyu Liu joined the group as a visiting graduate student (October, 2013)

leaf Baoyu is a PhD student in Chemical Engineering at the South China University of Technology. His research interest includes synthesis, simulation and catalytic characterization of microporous and mesoporous molecular sieve materials. Welcome!



We moved to the newly renovated lab (September, 2013)

leafOur laboratory consists of 1100 sq. ft of newly-renovated space on the 2nd floor of Building 090 (room #2223 and #2227) on the UMD main campus. This space includes a catalyst synthesis lab (2227) and a catalysis lab (2223). Click on the picture on the left to view the lab layout.




Laleh Won Jacob K. Goldhaber Travel Grant (July, 2013)

leafLaleh has received the Jacob K. Goldhaber Travel Grant Award from the University of Maryland Graduate School. Laleh will be using this award to support her trip to the 2013 Gordon Research Conference-Nanoporous Materials & Their Applications, to be held in Holderness, NH in August 2013, where she is scheduled to present her research on "Dual Template Synthesis of Meso-/microporous Zeolite Catalysts". Congratulations to Laleh!


Laleh won the "TA of the Year" award in ChBE. (February, 2013)

leaf Laleh Emdadi did her TA assignment for the ChBE101 course in the year of 2011-2012. Her wonderful TA work was recognized by the students in class and the department faculty. She won the "TA of the Year" Award in ChBE for 2011-2012 school year. Congratulations to Laleh!



Su Cheun Oh won ASPIRE Award (February, 2013)

leaf Su won A scholars Program for Indurstry-Oriented Research on Engineering (ASPIRE) Award to support her research on "Synthesis and characterization of mesopourous zeolite catalysts." Congratulations to Su!




Map's article on her intership expereince in our group (January, 2013)

leafMap reported her summer intership experience in our group on the News Paper of Chulalongkorn University, Thailand. She wrote "It has been a great experience for me. I learned a lot from there and after I completed this internship, I have a strong intention to apply the knowledge I got to my work, project and future career with the hope that it can help drive the future of science and technology in Thailand to be even better." The full story can be found here.


Guanghui Zhu Joined the group as a Master student (January, 2013)

leafGuanghui obatiend his BS degree from Shanghai Jiaotong University in China. He joined our group for his MS study starting from this Januray. He is co-advised by Dr. Choi and works on the project of "Micro-reactor design for efficient energy conversion". Welcome!



Yao (Jason) He Joined the group as a visiting graduate student (January, 2013)

leaf Jason obtained his BE and MS degrees from Huazhong University of Science and Technology and Hong Kong University of Science and Technology, respectively, both in Department of Mechanical Engineering. He is currently a PhD candidate in Engineering Thermal Physics at the South China University of Technology. He joined our group to work on the project of "Heterogeneous Conversion of Biomass Renewables". Welcome!


Yiqing received the first place award of the Catalysis Club of Philadelphia’s Annual Student Poster Contest. Congratulations! (October, 2012)

leafYiqing, Laleh, and Tery attended the Catalysis Club of Philadelphia’s Annual Student Poster Contest. Yiqing presented his poster, "Catalytic Characterization of Hierarchical Meso-/microporous MFI and MWW Zeolites", and was one of the four first place winners. The award was voted by the Catalysis Club of Philadelphia’s members and guests for the top 10 participants in the first round, and then was selected by a panel of industrial judges for the top five posters in the second round. The prize inlcudes a $100 check and an invitation to present his work at the monthly Catalysis Club meeting.

The Catalysis Club of Philadelphia was founded in 1949 to promote the advancement of knowledge of the science of catalysis. The Club is a nonprofit organization serving members in the Pennsylvania, Maryland, New Jersey and Delaware area. The club is currently sponsored by Air Products, Zeolyst, The PQ Corporation, Du Pont, Arkema, and Johnson Matthey Catalysis.


Terry and Helen Joined the group (Aug. 2012)

leaf Tery obatiend his Master degree in Chemical Engineering from Michigan Technological University. He is working on the project "Hybrid Inorganic-Organic Mesoporous Zeolites".

Helen is a rising senior in the rigorous Science and Technology Program at Eleanor Roosevelt High School in Greenbelt, MD. She hopes to gain research experience in order to enhance her scientific education and future career. She is working on the project "Synthesis and characterization of mesoporous zeolites" with Laleh.


Map went back to Thailand (July, 2012)

leafMap finished her summer intern and returned to Thailand. She did a great job in the group. Good luck to her future study.




Dr. Liu Awarded the ACS Petroleum Research Fund (PRF). (July, 2012)

leaf

Dr. Liu Awarded the ACS Petroleum Research Fund (PRF). Full story here. (July, 2012)

 


Science reported Self-Pillared Zeolite Nanosheets. (June, 2012)

leaf

Synthesis of Self-Pillared Zeolite Nanosheets by Repetitive Branching" is published in Science. See more details here , and see the report on Science Daily and DOE Discovery & Innovation.


Tom won ASPIRE Award (May, 2012)

leafThomas Hoff won A scholars Program for Indurstry-Oriented Research on Engineering (ASPIRE) Award to support his summer research on "Hydrolysis of Biomass over Heterogeneous Zeolite Catalysts." Congrduations to Tom!



Map Joined the group (May, 2012)

leafPimolpong Sriyapai, a junior student from Chulalongkorn University in Thailand, joined our group to start her summer research on "Nano-Engineering Zeolite Films on Proton Conducting Membranes" Welcome!




Dr. Liu visited Grace (March, 2012)
leaf

Dr. Liu was invited to visit W. R. Grace & Co. and to give a seminar on synthesis and characterization of micro/mesoporous zeolite catalysts.


Welcome Yiqing and Laleh! (March, 2012)

Yiqing and Laleh joined the group to start their PhD studies, Welcome! (March, 2012)


Dr. Liu Joined UMD (Janary, 2012)

leafDr. Liu joined the Department of Chemical and Biomolecular Engineering, UMD on Jan. 1st. 2012.




Welcome to join our group. (September, 2011)

leafWe always look for outstanding undergraduates, MS, PhD graduate students, and postdoctoral fellows to join our team.

 


Most read article in ACS Catalysis. (Janary, 2011)
leaf

Dongxia's paper appears in the first issue of ACS Catalysis, and it is one of the most read articles.