Publications by Li Peng | EPFL Graph Search

A customized MOF-polymer composite for rapid gold extraction from water matrices

Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Syzgantseva, Shuliang Yang, Jun Li

With the fast-growing accumulation of electronic waste and rising demand for rare metals, it is compelling to develop technologies that can promotionally recover targeted metals, like gold, from waste, a process referred to as urban mining. Thus, there is ...

AMER ASSOC ADVANCEMENT SCIENCE2023

Enhancing MOF performance through the introduction of polymer guests

Mehrdad Asgari, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Trukhina, Ilia Kochetygov, Vikram Vinayak Karve, Shuliang Yang, Anita Justin, Jordi Espin Marti

In this contribution, recent advances in the construction of MOF-polymer composites and their corresponding applications are briefly reviewed. The appearance of such architectures is becoming prominent in recent literature, due to the fact that the union o ...

2020

A metal-organic framework/polymer derived catalyst containing single-atom nickel species for electrocatalysis

Emad Oveisi, Mehrdad Asgari, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Trukhina, Wen Luo, Ilia Kochetygov, Shuliang Yang, Jie Zhang, Dragos-Constantin Stoian

While metal-organic frameworks (MOF) alone offer a wide range of structural tunability, the formation of composites, through the introduction of other non-native species, like polymers, can further broaden their structure/property spectrum. Here we demonst ...

2020

Preparation of Highly Porous Metal-Organic Framework Beads for Metal Extraction from Liquid Streams

Emad Oveisi, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Syzgantseva, Olga Trukhina, Ilia Kochetygov, Shuliang Yang, Anita Justin, Hassan Abedini, Guanchu Lu

Metal-organic frameworks (MOFs) offer great promise in a variety of gas- and liquid-phase separations. However, the excellent performance on the lab scale hardly translates into pilot- or industrial-scale applications due to the microcrystalline nature of ...

AMER CHEMICAL SOC2020

Preserving Porosity of Mesoporous Metal-Organic Frameworks through the Introduction of Polymer Guests

Mohammad Khaja Nazeeruddin, Emad Oveisi, Seyedmohamad Moosavi, Berend Smit, Mehrdad Asgari, Wendy Lee Queen, Aron Joel Huckaba, Li Peng, Sudabeh Jawahery, Shuliang Yang

High internal surface areas, an asset that is highly sought after in material design, has brought metal-organic frameworks (MOFs) to the forefront of materials research. In fact, a major focus in the field is on creating innovative ways to maximize MOF sur ...

2019

A new post-synthetic polymerization strategy makes metal-organic frameworks more stable

Safak Bulut, Emad Oveisi, Mehrdad Asgari, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Trukhina, Shuliang Yang, Abbas Jamali

Metal-organic frameworks are of interest in a number of host-guest applications. However, their weak coordination bonding often leads to instability in aqueous environments, particularly at extreme pH, and hence, is a challenging topic in the field. In thi ...

2019

Method for synthesis of a metal organic framework composite

Daniel Teav Sun, Wendy Lee Queen, Li Peng, Shuliang Yang

The present invention relates to a method for synthesis of a metal organic framework composite comprising the folowing steps: a) Synthesize a metal organic framework; b) Make a polymer grow on said metal organic framework, said polymer being chosen among p ...

2019

Metal-Organic-Framework-Derived Co3S4 Hollow Nanoboxes for the Selective Reduction of Nitroarenes

Safak Bulut, Emad Oveisi, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Shuliang Yang

MOF-derived Co3S4/CN hollow nanoboxes (CN=nitrogen-doped carbon) was used to catalyze the chemoselective reduction of nitroarenes to anilines under mild reaction conditions with H-2 as the reducing agent. The catalyst provides high conversion efficiencies ...

2018

Controllable Synthesis of Multiheteroatoms Co-Doped Hierarchical Porous Carbon Spheres as an Ideal Catalysis Platform

Wendy Lee Queen, Li Peng, Shuliang Yang, Yanan Zhu

2018

MOF-Derived Cobalt Phosphide/Carbon Nanocubes for Selective Hydrogenation of Nitroarenes to Anilines

Safak Bulut, Emad Oveisi, Mehrdad Asgari, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Olga Trukhina, Shuliang Yang

Transition-metal phosphides have received tremendous attention during the past few years because they are earth-abundant, cost-effective, and show outstanding catalytic performance in several electrochemically driven conversions including hydrogen evolutio ...

2018

MOF/polymer composite synthesized using a double solvent method offers enhanced water and CO2 adsorption properties

Mehrdad Asgari, Daniel Teav Sun, Wendy Lee Queen, Li Peng, Shuliang Yang

A double solvent method is for the first time used to synthesize a polymer composite that is constructed by a Ni-pyrazolate MOF and polydopamine (PDA). The resulting composite shows significantly enhanced water and CO2 adsorption properties compared to the ...

Royal Society of Chemistry2018

Rapid, Selective Heavy Metal Removal from Water by a Metal-Organic Framework/Polydopamine Composite

Emad Oveisi, Seyedmohamad Moosavi, Daniel Teav Sun, Wendy Lee Queen, Davide Tiana, Li Peng

Drinking water contamination with heavy metals, particularly lead, is a persistent problem worldwide with grave public health consequences. Existing purification methods often cannot address this problem quickly and economically. Here we report a cheap, wa ...

2018

Recent Advances of MOFs and MOF‐Derived Materials in Thermally Driven Organic Transformations

Safak Bulut, Wendy Lee Queen, Li Peng, Shuliang Yang

Owing to the almost boundless structural tunability, MOF and MOF‐derived catalysts have recently exhibited structures of higher complexity, and hence, have demonstrated activity in a wide array of organic transformations. These reactions have a broad range ...

2018

Preparation of Magnetic Tubular Nanoreactors for Highly Efficient Catalysis

Fang Wei, Li Peng, Shuliang Yang, Jian Liu, Chang Liu

We report an efficient and controllable route to prepare magnetic tubular nanoreactors composed of a mesoporous SiO2 shell with iron-noble metal nanoparticles inside. The key of this method is to design and fabricate Fe nanoparticles encapsulated in a meso ...

Wiley-V C H Verlag Gmbh2016

Hierarchical flowerlike magnesium oxide hollow spheres with extremely high surface area for adsorption and catalysis

Fang Wei, Li Peng, Shuliang Yang, Yanan Zhu

Three-dimensionally hierarchical flowerlike MgO hollow spheres with an extremely high surface area of 343 m(2) g(-1) were prepared through a facile and environmentally friendly solvothermal route. The maximum adsorption capacity at natural pH reached 569.7 ...

Royal Society of Chemistry2016

A Pd-Cu2O nanocomposite as an effective synergistic catalyst for selective semi-hydrogenation of the terminal alkynes only

Li Peng, Shuliang Yang

A new type lead-free catalyst of a Pd-Cu2O nanocomposite was developed for highly selective semi-hydrogenation of alkynes. With unprecedented selectivity for the semi-hydrogenation of terminal alkynes to alkenes, we show for the first time that the catalys ...

Royal Society of Chemistry2016

Nitrogen, Phosphorus, and Sulfur Co-Doped Hollow Carbon Shell as Superior Metal-Free Catalyst for Selective Oxidation of Aromatic Alkanes

Li Peng, Shuliang Yang

Metal-free heteroatom-doped carbocatalysts with a high surface area are desirable for catalytic reactions. In this study, we found an efficient strategy to prepare nitrogen, phosphorus, and sulfur co-doped hollow carbon shells (denote as NPS-HCS) with a su ...

Wiley-VCH Verlag GmbH2016

Spindle-shaped nanoscale yolk/shell magnetic stirring bars for heterogeneous catalysis in macro- and microscopic systems

Fang Wei, Li Peng, Shuliang Yang

A new type of spindle-shaped nanoscale yolk/shellmagnetic stirring bar containing noblemetal nanoparticles was prepared. The as-synthesized Pd-Fe@meso-SiO2 not only showed impressive activity and stability as a heterogeneous catalyst in a macroscopic flask ...

Royal Society of Chemistry2016