Publications by Olga Trukhina | EPFL Graph Search

A post-synthetic modification strategy for enhancing Pt adsorption efficiency in MOF/polymer composites

Mounir Driss Mensi, Emad Oveisi, Mehrdad Asgari, Wendy Lee Queen, Olga Trukhina, Vikram Vinayak Karve, Till Marian Schertenleib

Growing polymers inside porous metal-organic frameworks (MOFs) can allow incoming guests to access the backbone of otherwise non-porous polymers, boosting the number and/or strength of available adsorption sites inside the porous support. In the present wo ...

Royal Soc Chemistry2024

Post-Synthetic Modification of a MOF via Continuous Flow Methods for Gold E-Waste Recycling

Jocelyn Richard Roth, Wendy Lee Queen, Olga Trukhina, Till Marian Schertenleib, Timo Markus Oskar Felder

This work represents a pioneering effort in utilizing continuous flow methods for the post-synthetic modification of a nanoporous metal-organic framework (Fe-BTC or MIL-100(Fe)) with short-chain redox-active oligomers (poly-p-phenylenediamine, PpPDA). The ...

2024

Solid-state synthesis of a MOF/polymer composite for hydrodeoxygenation of vanillin

Wendy Lee Queen, Olga Trukhina, Vikram Vinayak Karve, Dragos-Constantin Stoian

A new solid-state method was used to introduce a furan-thiourea polymer into the pores of a MOF, Cr-BDC. Next, the activity of the new MOF-polymer composite containing Pd was assessed in the catalytic hydrodeoxygenation of vanillin, a biomass derived chemi ...

Royal Society of Chemistry2022

Understanding Your Support System: The Design of a Stable Metal-Organic Framework/Polyazoamine Support for Biomass Conversion

Jeremy Luterbacher, Mehrdad Asgari, Wendy Lee Queen, Olga Trukhina, Ilia Kochetygov, Vikram Vinayak Karve, Shuliang Yang

Introducing oligomeric or polymeric units into metal- organic frameworks (MOFs) can result in composites that have significantly improved properties when compared with the individual MOF or polymer building blocks. With such synergy in mind, this work pres ...

AMER CHEMICAL SOC2022

A Two Step Postsynthetic Modification Strategy: Appending Short Chain Polyamines to Zn-NH2-BDC MOF for Enhanced CO2 Adsorption

Mehrdad Asgari, Wendy Lee Queen, Olga Trukhina, Ilia Kochetygov, Anita Justin, Jordi Espin Marti

Functionalizing metal–organic frameworks (MOFs) with amines is a commonly used strategy to enhance their performance in CO2 capture applications. As such, in this work, a two-step strategy to covalently functionalize NH2-containing MOFs with short chain po ...

2021

Hybridization of Synthetic Humins with a Metal-Organic Framework for Precious Metal Recovery and Reuse

Wendy Lee Queen, Claudia Esther Avalos, Olga Trukhina, Vikram Vinayak Karve, Till Marian Schertenleib, Jordi Espin Marti

The number of synthetic strategies used to functionalize MOFs with polymers is rapidly growing; this stems from the knowledge that non-native polymeric guests can significantly boost MOF performance in a number of desirable applications. The current work p ...

AMER CHEMICAL SOC2021

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

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

Understanding How Ligand Functionalization Influences CO2 and N-2 Adsorption in a Sodalite Metal-Organic Framework

Michele Ceriotti, Mehrdad Asgari, Wendy Lee Queen, Olga Trukhina, Pascal Alexander Schouwink, Ilia Kochetygov, Rocio Semino Barbaresi

In this work, a detailed study is conducted to understand how ligand substitution influences the CO, and N-2 adsorption properties of two highly crystalline sodalite metal-organic frameworks (MOFs) known as Cu-BTT (BTT-3 = 1,3,5-benzenetristetrazolate) and ...

AMER CHEMICAL SOC2020

Efficient reductive amination of HMF with well dispersed Pd nanoparticles immobilized in a porous MOF/polymer composite

Jeremy Luterbacher, Emad Oveisi, Daniel Teav Sun, Wendy Lee Queen, Olga Trukhina, Vikram Vinayak Karve, Shuliang Yang

Aminated derivatives of 5-hydroxymethylfurfural (HMF) and furfural are critical intermediates for the pharmaceutical industry. The state-of-the-art catalysts currently used for these syntheses are mostly homogeneous in nature, motivating the design of recy ...

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

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

An In-Situ Neutron Diffraction and DFT Study of Hydrogen Adsorption in a Sodalite-Type Metal-Organic Framework, Cu-BTTri

Safak Bulut, Michele Ceriotti, Mehrdad Asgari, Wendy Lee Queen, Olga Trukhina, Pascal Alexander Schouwink, Ilia Kochetygov, Shuliang Yang, Rocio Semino Barbaresi

Herein we present a detailed study of the hydrogen adsorption properties of Cu‐BTTri, a robust crystalline metal–organic framework containing open metal‐coordination sites. Diffraction techniques, carried out on the activated framework, reveal a structure ...

2019

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

Molecularly Engineered Phthalocyanines as Hole-Transporting Materials in Perovskite Solar Cells Reaching Power Conversion Efficiency of 17.5%

Mohammad Khaja Nazeeruddin, Paul Gratia, Peng Gao, Kyung Taek Cho, Cristina Roldán Carmona, Giulia Grancini, Olga Trukhina

Easily accessible tetra-5-hexylthiophene-, tetra-5-hexyl-2,2'-bisthiophene-substituted zinc phthalocyanines (ZnPcs) and tetra-tert-Bu ZnPc are employed as hole-transporting materials in mixed-ion perovskite [HC(NH2)2]0.85(CH3NH3)0.15Pb(I0.8 ...

2017

Subphthalocyanines: Active molecules for molecular photovoltaics

Michael Graetzel, Mohammad Khaja Nazeeruddin, Jun Ho Yum, Aswani Yella, Olga Trukhina

Amer Chemical Soc2014