Publications de Lu Chen | EPFL Graph Search

Research data supporting "High carrier mobility along the [111] orientation in Cu2O photoelectrodes"

Michael Graetzel, Paul Joseph Dyson, Ulf Anders Hagfeldt, Jingshan Luo, Linfeng Pan, Lu Chen, Dan Ren, Meng Xia

Included in the dataset are detailed information into the crystallography, morphology, electronic properties, (photo)electrochemical and carrier dynamics of both single-crystal Cu2O thin films and polycrystalline Cu2O with favored crystal orientations. Mul ...

Apollo - University of Cambridge Repository2024

High carrier mobility along the [111] orientation in Cu2O photoelectrodes

Michael Graetzel, Paul Joseph Dyson, Ulf Anders Hagfeldt, Linfeng Pan, Lu Chen, Dan Ren, Meng Xia

Solar fuels offer a promising approach to provide sustainable fuels by harnessing sunlight(1,2). Following a decade of advancement, Cu2O photocathodes are capable of delivering a performance comparable to that of photoelectrodes with established photovolta ...

Nature Portfolio2024

[Correction] High carrier mobility along the [111] orientation in Cu2O photoelectrodes (vol 628, pg 765, 2024)

Michael Graetzel, Paul Joseph Dyson, Ulf Anders Hagfeldt, Linfeng Pan, Lu Chen, Dan Ren, Meng Xia

NATURE PORTFOLIO2024

Dual Vacancies Confined in Nickel Phosphosulfide Nanosheets Enabling Robust Overall Water Splitting

Lu Chen, Pengzuo Chen

Exploring highly efficient electrocatalysts for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) is of great significance for addressing energy and environmental crises. Vacancy engineering has been regarded as a promising ...

WILEY-V C H VERLAG GMBH2021

Boosting hydrogen production via urea electrolysis on an amorphous nickel phosphide/graphene hybrid structure

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Yun Tong

Overall urea electrolysis has favorable thermodynamic properties and can complement traditional water splitting by simultaneously purifying urea-rich waste streams. However, the kinetics of the reaction is slow and more efficient catalysts are required. In ...

SPRINGER2021

Lignin First: Confirming the Role of the Metal Catalyst in Reductive Fractionation

Gabor Laurenczy, Paul Joseph Dyson, Zhaofu Fei, Ning Yan, Antoine Philippe Van Muyden, Lu Chen, Xinjiang Cui

Rhodium nanoparticles embedded on the interior of hollow porous carbon nanospheres, able to sieve monomers from polymers, were used to confirm the precise role of metal catalysts in the reductive catalytic fractionation of lignin. The study provides clear ...

AMER CHEMICAL SOC2021

Dual anions engineering on nickel cobalt-based catalyst for optimal hydrogen evolution electrocatalysis

Lu Chen, Pengzuo Chen

The hydrogen evolution reaction (HER) is a pivotal process for renewable energy storage devices. Improving the intrinsically catalytic activity of earth-abundant metals based electrocatalysts for HER is still a huge challenge. Herein, we put forward a dual ...

ACADEMIC PRESS INC ELSEVIER SCIENCE2021

Propelling the hydrogen economy: from chemical storage and delivery to utilization in biomass conversion

Lu Chen

Since H2 is a non-polluting, inexhaustible, efficient, and sustainable energy carrier, it has been forecast to become one of the major carriers of energy in the future and is also essential in the production of feedstock chemicals derived from renewable ca ...

EPFL2021

Anchoring single platinum atoms onto nickel nanoparticles affords highly selective catalysts for lignin conversion

Gabor Laurenczy, Paul Joseph Dyson, Zhaofu Fei, Ulf Anders Hagfeldt, Antoine Philippe Van Muyden, Linfeng Pan, Lichen Bai, Lu Chen, Jun Li, Yun Tong

Due to the highly complex polyphenolic structure of lignin, depolymerization without a prior chemical treatment is challenging, and new catalysts are required. Atomically dispersed catalysts are able to maximize the atomic efficiency of noble metals, simul ...

ELSEVIER2021

Selective hydrogenation of lignin-derived compounds under mild conditions

Gabor Laurenczy, Paul Joseph Dyson, Antoine Philippe Van Muyden, Lu Chen, Xinjiang Cui

A key challenge in the production of lignin-derived chemicals is to reduce the energy intensive processes used in their production. Here, we show that well-defined Rh nanoparticles dispersed in sub-micrometer size carbon hollow spheres, are able to hydroge ...

2020

Transformation of Glucose to 5-Hydroxymethylfurfural Over Regenerated Cellulose Supported Nb2O5 center dot nH(2)O in Aqueous Solution

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Fangmin Huang

Niobic acid (Nb2O5 center dot nH(2)O) was immobilized on regenerated cellulose (Re-Cellulose) to afford a heterogeneous catalyst, termed Nb2O5 center dot nH(2)O@Re-Cellulose, that was characterized by powder X-ray diffraction, microscopy (SEM and TEM) and ...

SPRINGER2020

Nitrogen-Incorporated Cobalt Sulfide/Graphene Hybrid Catalysts for Overall Water Splitting

Paul Joseph Dyson, Zhaofu Fei, Lu Chen, Pengzuo Chen, Yun Tong

Water electrolysis is an advanced and sustainable energy conversion technology used to generate H-2. However, the low efficiency of the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) hampers the overall water-splitting catalytic perf ...

WILEY-V C H VERLAG GMBH2020

Homogeneous Catalytic Formic Acid Dehydrogenation in Aqueous Solution using Ruthenium Arene Phosphine Catalysts

Gabor Laurenczy, Cornel Fink, Lu Chen

In this work, we studied catalytic formic acid dehydrogenation with a homogeneous RAPTA type precatalyst in aqueous solution. The effects of an amino group, attached to the arene, and the impact of a second equivalent of 1,3,5‐triaza‐7‐phosphaadamantane (P ...

2018

SwissSnowSymposium 2018

Cornel Fink, Dmitry Vasilyev, Lu Chen

2018

Integrating Hebbian and homeostatic plasticity: the current state of the field and future research directions

Wulfram Gerstner, Taro Toyoizumi, Lu Chen

We summarize here the results presented and subsequent discussion from the meeting on Integrating Hebbian and Homeostatic Plasticity at the Royal Society in April 2016. We first outline the major themes and results presented at the meeting. We next provide ...

Royal Soc2017

An efficient Pt nanoparticle–ionic liquid system for the hydrodeoxygenation of bio-derived phenols under mild conditions

Gabor Laurenczy, Paul Joseph Dyson, Zhaofu Fei, Cornel Fink, Lu Chen

Platinum nanoparticles (NPs) were synthesized in situ in the ionic liquid (IL) [Emim]NTf2 (1-ethyl-3- methylimidazolium bis(trifluoromethylsulfonyl)imide) as well as in mixtures of [Emim]NTf2 with a second IL, Lewis acid or Brønsted acid, but in the absenc ...

Royal Society of Chemistry2017