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Zhaofu Fei

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Related publications (133)

Page 4 of 7

Towards a frustrated Lewis pair-ionic liquid system

Paul Joseph Dyson, Rosario Scopelliti, Gabor Laurenczy, Zhaofu Fei, Felix Daniel Bobbink, Emilia Paunescu, Florian Gérald Abela

An ionic liquid encompassing a bulky tertiary amine was synthesized and used as a dual solvent-reactant for the formation of a frustrated Lewis pair with tris(pentafluorophenyl) borane, forming a pseudo-frustrated Lewis pair-ionic liquid system. The ionic ...

Elsevier2018

Stepwise growth of gold coated cancer targeting carbon nanotubes for the precise delivery of doxorubicin combined with photothermal therapy

Paul Joseph Dyson, Zhaofu Fei

Combining doxorubicin with thermal therapy in the clinic has led to startling results in the treatment of problematic cancers. Here, we describe a multimo dal multi-walled carbon nanotube material that combines tumor targeting, doxorubicin delivery, and ph ...

Royal Society of Chemistry2017

Influence of Elemental Iodine on Imidazolium-Based Ionic Liquids: Solution and Solid-State Effects

Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei, Felix Daniel Bobbink, Emilia Paunescu

Ionic liquids doped with I-2, usually resulting in the formation of polyiodide anions, are extensively used as electrolytes and in iodination reactions. Herein, NMR spectroscopy and single-crystal X-ray diffraction were used to rationalize the structures o ...

2015

Mass Spectrometric and Theoretical Study of Polyiodides: The Connection between Solid State, Solution, and Gas Phases

Paul Joseph Dyson, Zhaofu Fei, Michael Groessl

Polyiodides have been transferred intact from acetonitrile solution to the gas phase and analyzed by mass spectrometry. A range of ions were observed, including I-11, I-13, and I-15, which have higher iodine/iodide ratios than any previously ...

2011

Targeted delivery and controlled release of doxorubicin to cancer cells using modified single wall carbon nanotubes

Paul Joseph Dyson, Zhaofu Fei, Xianfu Zhang

A targeted drug delivery system that is triggered by changes in pH based on single wall carbon nanotubes (SWCNTs), derivatized with carboxylate groups and coated with a polysaccharide material, can be loaded with the anticancer drug doxorubicin (DOX). The ...

2009

Quantification of Conventional and Nonconventional Charge-Assisted Hydrogen Bonds in the Condensed and Gas Phases

Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei, Sviatlana Siankevich

Charge-assisted hydrogen bonds (CAHBs) play critical roles in many systems from biology through to materials. In none of these areas has the role and function of CAHBs been explored satisfactorily because of the lack of data on the energy of CAHBs in the c ...

Amer Chemical Soc2015

Ionic Liquids: From Synthesis to Applications in Solar Cells

Paul Joseph Dyson, Zhaofu Fei, Valentin Michael Manzanares

Ionic liquids continue to find applications in an ever-increasing range of technologies. Here we describe some of the key routes used to prepare ionic liquids and then relate their properties to their applications. In particular, ionic liquids have been us ...

Schweizerische Chemische Gesellschaft2017

A TiO2/Nb2O5 center dot nH(2)O heterojunction catalyst for conversion of glucose into 5-hydroxymethylfurfural in water

Fangmin Huang, Paul Joseph Dyson, Gabor Laurenczy, Zhaofu Fei

A series of water-tolerant Lewis acidic TiO2/Nb2O5 center dot nH(2)O heterojunction catalysts with different Ti : Nb ratios have been prepared and investigated in the conversion of glucose into HMF in water. Under optimized conditions (i.e. 150 degrees C, ...

ROYAL SOC CHEMISTRY2020

Crystallisation of inorganic salts containing 18-crown-6 from ionic liquids

Paul Joseph Dyson, Rosario Scopelliti, Gabor Laurenczy, Zhaofu Fei, Ning Yan

Reaction of the zwitterionic imidazolium salt [(CH2COOH)(CH2COO)i.m.] with K2CO3 or BaO in the presence of 18-crown-6 affords the salts [(CH2COO)2i.m.][K(18-crown-6)] and [(CH2COO)2i.m.]2[Ba(18-crown-6)]. Recrystn. of these crown complexes from the ionic l ...

Elsevier2010

Manipulation of the Electronic Structure of Ruthenium Nanoclusters by Ni-N4 Sites Enhances the Alkaline Hydrogen Evolution Reaction

Mengmeng Lao, Paul Joseph Dyson, Zhaofu Fei

Designing electrocatalysts that are both highly efficient and durable is crucial for the industrial implementation of alkaline electrocatalytic hydrogen production technologies. A limitation of the current Ru-based catalysts is that the water dissociation ...

2024

Effect of 1-butyl-3-methylimidazolium iodide containing electrospun poly(vinylidene fluoride-co-hexafluoropropylene) membrane electrolyte on the photovoltaic performance of dye-sensitized solar cells

Paul Joseph Dyson, Zhaofu Fei

Electrospun poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) membrane was prepared from a solution of 16 wt % of PVdF-HFP containing acetone/N,N-dimethyl acetamide (7:3 wt %). The prepared electrospun PVdF-HFP membrane (esPM) was then soaked in ...

Wiley-Blackwell2015

Application of Ionic Liquids Containing Tricyanomethanide [C(CN)(3)](-) or Tetracyanoborate [B(CN)(4)](-) Anions in Dye-Sensitized Solar Cells

Michael Graetzel, Paul Joseph Dyson, Shaik Mohammed Zakeeruddin, Rosario Scopelliti, Zhaofu Fei, Magdalena Anna Marszalek

A series of novel ionic liquids composed of imidazolium, pyridinium, pyrrolidinium, and ammonium cations with tricyanomethanide or tetracyanoborate anions were prepared. The ionic liquids were characterized by NMR and IR spectroscopy and ESI-mass spectrome ...

2011

Fabrication of Dendritic Gold Nanoparticles by Use of an Ionic Polymer Template

Paul Joseph Dyson, Zhaofu Fei, Dongbin Zhao

A facile method for the fabrication of dendritic gold nanoparticles (NPs) by use of an ionic polymer template has been developed. In situ generation of an imidazolium-based (cationic) polymer, poly[1-methyl-3-(4-vinylbenzyl)imidazolium], with AuCl4- counte ...

2008

Photochemical Behavior of High Quantum Yield SWNTs Functionalized with Anthracene Salts

Paul Joseph Dyson, Zhaofu Fei

Two different fluorescent single walled carbon nanotubes (SWNT) were prepd. First by a reaction of oxidized SWNT-K salt with 1,3-bis(9-anthracenylmethyl)imidazolium chloride (bamim)Cl to provide a fluorescent system SWNT-(bamim), via ion exchange and forma ...

Wiley-Blackwell2010

Catalytic valorization of lignocellulose and its derived feedstocks into fuels and chemicals

Zhaofu Fei

ELSEVIER2023

A facile strategy for preparation of fluorescent SWNT complexes with high quantum yields based on ion exchange

Paul Joseph Dyson, Zhaofu Fei

The fluorescent imidazolium salt (1,3-bis(9-anthracenylmethyl)imidazolium chloride, [bamim]Cl) has been grafted onto the surfaces of single-walled carbon nanotubes (SWNTs) using an ion exchange strategy based on metathesis of the K+ ion in CO2K derivatized ...

2008

The chemistry of phosphinoamides and related compounds

Paul Joseph Dyson, Zhaofu Fei

This review commences with a survey of the general synthetic routes leading to aminophosphines containing the P-NH subgroup. Recent examples involving functionalised and chiral aminophosphines are included. The synthesis and structural properties of deprot ...

2005

Ionic liquids based on imidazolium salts incorporating a nitrile functionality

Paul Joseph Dyson, Zhaofu Fei, Dongbin Zhao

Novel chemical compounds of the general formula KA, in which K is a 5- or 6- membered heterocyclic ring having 1-3 hetereo atoms, which can be independently N, S, or 0 with the proviso that at least one of the hetereo atoms must be a quaternized n ...

2005

Influence of the Anion on the Oxidation of 5-Hydroxy-methylfurfural by Using Ionic-Polymer-Supported Platinum Nanoparticle Catalysts

Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Felix Daniel Bobbink, Sviatlana Siankevich

Platinum nanoparticles stabilized by an imidazolium-based cross-linked polymer (with chloride as the counteranion) efficiently catalyzed the oxidation of 5-hydroxymethylfurfural to form 2,5-furandicarboxylic acid in water under mild conditions with oxygen ...

2018

Auto-passivation of crystal defects in hybrid imidazolium/methylammonium lead iodide films by fumigation with methylamine affords high efficiency perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Rosario Scopelliti, Farzaneh Fadaei Tirani, Zhaofu Fei, Yi Zhang, Emad Oveisi, Giulia Grancini, Erfan Shirzadi

Hybrid perovskite solar cells have attracted tremendous interest in the photovoltaic community. Despite their high defect tolerance, reducing the trap density by material engineering and surface modification is still critical to further boost performance. ...

Elsevier2019