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Dive into the research topics where Ludger P. Stubbs is active.

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Featured researches published by Ludger P. Stubbs.


ACS Applied Materials & Interfaces | 2013

Lignin-Derived Fused Electrospun Carbon Fibrous Mats as High Performance Anode Materials for Lithium Ion Batteries

Suxi Wang; Liping Yang; Ludger P. Stubbs; Xu Li; Chaobin He

A novel biomass-based nitrogen-doped free-standing fused carbon fibrous mat was fabricated from lignin-polyethylene oxide (PEO) (90:10) blend via electrospinning followed by carbonization and thermal annealing in the presence of urea. The morphology and structure of the carbon fibers were characterized by field-emission scanning electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, and elemental analysis, and their electrochemical properties were investigated for the first time as anode in lithium ion batteries (LIBs). The fused carbon fibers without nitrogen doping exhibited high specific capacity up to 445 mA h g(-1) at a current density of 30 mA g(-1) (comparable to polyacrylonitrile (PAN) derived carbon nanofibers) and good cyclic stability at different current rates. After thermal annealing in the presence of urea, the charge capacity was further improved to as high as 576 mA h g(-1) and still maintained a good capacity of about 200 mAh g(-1) even at a high current rate of 2000 mA g(-1). This research demonstrates the great promise of lignin-derived nanocarbon materials for applications in energy storage systems.


Langmuir | 2016

One-Pot Synthesis of Fe(III)–Polydopamine Complex Nanospheres: Morphological Evolution, Mechanism, and Application of the Carbonized Hybrid Nanospheres in Catalysis and Zn–Air Battery

Jia Ming Ang; Yonghua Du; Boon Ying Tay; Chenyang Zhao; Junhua Kong; Ludger P. Stubbs; Xuehong Lu


Organometallics | 2011

Synthesis of Bis(amino)pyridines by the Stepwise Alkylation of Bis(imino)pyridines: An Unexpected and Selective Alkylation of the Aminoiminopyridine by AlMe3

Boon-Ying Tay; Cun Wang; Sze-Chen Chia; Ludger P. Stubbs; Pui-Kwan Wong; Martin van Meurs


Journal of Polymer Science Part A | 2013

Vinylimidazole-Based Asymmetric Ion Pair Comonomers: Synthesis, Polymerization Studies and Formation of Ionically Crosslinked PMMA

Satyasankar Jana; Vivek Arjunan Vasantha; Ludger P. Stubbs; Anbanandam Parthiban; Julius G. Vancso


Organometallics | 2015

Palladium Complexes with Bulky Diphosphine Ligands as Highly Selective Catalysts for the Synthesis of (Bio-) Adipic Acid from Pentenoic Acid Mixtures.

Choon Heng Low; James D. Nobbs; Martin van Meurs; Ludger P. Stubbs; Eite Drent; Srinivasulu Aitipamula; Michelle H. L. Pung


Organometallics | 2017

Isomerizing Methoxycarbonylation of Alkenes to Esters Using a Bis(phosphorinone)xylene Palladium Catalyst

James D. Nobbs; Choon Heng Low; Ludger P. Stubbs; Cun Wang; Eite Drent; Martin van Meurs


ACS Sustainable Chemistry & Engineering | 2017

High Modulus, Strength, and Toughness Polyurethane Elastomer Based on Unmodified Lignin

Hui Li; Jiaotong Sun; Cun Wang; Songlin Liu; Du Yuan; Xin Zhou; Jozel Tan; Ludger P. Stubbs; Chaobin He


Macromolecular Materials and Engineering | 2016

Lignin Epoxy Composites: Preparation, Morphology, and Mechanical Properties

Jiaotong Sun; Cun Wang; Jayven Chee Chuan Yeo; Du Yuan; Hui Li; Ludger P. Stubbs; Chaobin He


Dalton Transactions | 2016

Selective hydrogenation of levulinic acid to γ-valerolactone using in situ generated ruthenium nanoparticles derived from Ru–NHC complexes

Boon Ying Tay; Cun Wang; Pim Huat Phua; Ludger P. Stubbs; Han Vinh Huynh


Journal of Polymer Science Part A | 2013

Synthesis and new application of green and recyclable cyclic poly(L‐lactide)‐clay hybrid

Aitha Vishwa Prasad; Algin Oh Biying; Woo Yuan Ling; Ludger P. Stubbs; Yinghuai Zhu

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Jiaotong Sun

National University of Singapore

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Du Yuan

National University of Singapore

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Hui Li

National University of Singapore

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