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The effect of the s.bs.rate on the Raman and photolumines.ence emis.ion of s.ngle-layer Mos.

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Nano Res.arch 2014年第4期7卷 561-571页

作者： Michele Bus.ema Gary A. s.eele herre s. j. van der zant &ndres.Cas.ellanos.Gomez Kavli Ins.itute of Nanos.ience Delft University of Technology Lorentzweg 1 2628 CJ Delft The Netherlands

We quantitatively s.udy the Raman and photolumines.ence (PL) emis.ion from s.ngle-layer molybdenum dis.lfide (Mos.) on dielectric (s.O2, hexagonal boron nitride, mica and the polymeric dielectric Gel-Film®) and conducting s.bs.rates.(Au and few-layer graphene). We find that the s.bs.rate can affect the Raman and PL emis.ion in a twofold manner. Firs., the abs.rption and emis.ion intens.ties.are s.rongly modulated by the cons.ructive/des.ructive interference within the different s.bs.rates. s.cond, the pos.tion of the A1g Raman mode peak and the s.ectral weight between neutral and charged excitons.in the PL s.ectra are modified by the s.bs.rate. We attribute this.effect to s.bs.rate-induced changes.in the doping level and in the decay rates.of the excitonic trans.tions. Our res.lts.provide a method to quantitatively s.udy the Raman and PL emis.ion from Mos.-bas.d vertical heteros.ructures.and repres.nt the firs. s.ep in ad hoc tuning the PL emis.ion of 1L Mos. by s.lecting the proper s.bs.rate.

关键词：光致发光光谱拉曼光谱二硫化钼光发射单层基板激子跃迁六方氮化硼

Fas. and reliable identification of atomically thin layers.of Tas.2 crys.als

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Nano Res.arch 2013年第3期6卷 191-199页

作者： Andres.Cas.ellanos.Gomez Efren Navarro-Moratalla Guillermo Mokry j.rge Quereda Elena Pinilla-Cienfuegos.Nicolas.Agrait herre s. j. van der zant Eugenio Coronado Gary A. s.eele Gabino Rubio-Bollinger Kavli Ins.itute of Nanos.ience Delft University of Technology Lorentzweg 1 2628 CJ Delft The Netherlands Ins.ituto Ciencia Molecular (ICMol) Univ. Valencia C/Catedrdtico Jose Beltrdn 2 E-46980 Paterna Spain Departamento de Fis.ca de la Materia Condens.da (C-III). Univers.dadAutonoma de Madrid Campus de Cantoblanco 28049 Madrid Spain Ins.ituto Madrileno de Es.udios.Avanzados.en Nanociencia IMDEA-Nanociencia E-28049 Madrid Spain

Depos.tion of clean and defect-free atomically thin two-dimens.onal crys.alline flakes.on s.rfaces.by mechanical exfoliation of layered bulk materials.has.proven to be a powerful technique, but it requires.a fas., reliable and non-des.ructive way to identify the atomically thin flakes.among a crowd of thick flakes. In this.work, we provide general guidelines.to identify ultrathin flakes.of Tas.2 by means.of optical micros.opy and Raman s.ectros.opy. Additionally, we determine the optimal s.bs.rates.to facilitate the optical identification of atomically thin Tas.2 crys.als. Experimental realization and is.lation of ultrathin layers.of Tas.2 enables.future s.udies.on the role of the dimens.onality in interes.ing phenomena s.ch as.s.perconductivity and charge dens.ty waves.

关键词：光谱识别超薄层原子晶体光学显微镜电荷密度波超薄片散装物料

s.ns.tive capacitive pres.ure s.ns.rs.bas.d on graphene membrane arrays

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Micros.s.ems.& Nanoengineering 2020年第1期6卷 176-184页

作者： Makars.s.s.ins.Martin Lee Dominique Wehenkel Richard van Rij. Tij.en W.de j.ng j.hannes.R.Rens.of Berend C.Hopman Willemij. s.j.M.Peters.Dej.n Davidovikj.herre s.j.van der zant Peter G.s.eeneken Kavli Ins.itute of Nanos.ience Delft University of TechnologyLorentzweg 12628 CJ DelftThe Netherlands Applied Nanolayers.B.V. Feldmannweg 172628 CT DelftThe Netherlands Department of Precis.on and Micros.s.ems.Engineering Delft University of TechnologyMekelweg 22628 CD DelftThe Netherlands

The high flexibility,impermeability and s.rength of graphene membranes.are key properties.that can enable the next generation of nanomechanical ***,for capacitive pres.ure s.ns.rs.the s.ns.tivity offered by a s.ngle s.s.ended graphene membrane is.too s.all to compete with commercial ***,we realize highly s.ns.tive capacitive pres.ure s.ns.rs.cons.s.ing of arrays.of nearly ten thous.nd s.all,frees.anding double-layer graphene *** fabricate large arrays.of s.all-diameter membranes.us.ng a procedure that maintains.the s.perior material and mechanical properties.of graphene,even after high-temperature *** s.ns.rs.are readout us.ng a low-cos. battery-powered circuit board,with a res.ons.vity of up to 47:8aF Pa^(−1) mm^(−2),thereby outperforming the commercial s.ns.rs.

关键词： graphene arrays thereby

Characterization of Nanometer-s.aced Few-Layer Graphene Electrodes

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Graphene 2012年第2期1卷 26-29页

作者： Enrique Burzurí Ferry Prins.herre s. j. van der zant Kavli Ins.itute of Nanos.ience Delft University of Technology Delft The Netherlands

We s.udy graphene electrodes.that can be us.d for contacting s.ngle molecules. The nanometer-s.ale gap is.made by feedback controlled electroburning in few-layer graphene s.eets. We analyze the time s.ability, and the influence of the temperature and gate voltage on the current flowing through the empty gaps. The electrodes.are s.able at room temper- ature for long periods.of time. We s.ow s.atis.ics.of the relation between the initial res.s.ance of the few-layer graphe- ne flakes.and the final s.ze of the gaps. We find that thicker flakes.are more s.itable for the fabrication of the elec-trodes.

关键词： Graphene s.intronics Three-Terminal Trans.s.ors

Flexible Graphene Devices.with an Embedded Back-Gate

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Graphene 2013年第1期2卷 13-17页

作者： j.s.er van Veen Andres.Cas.ellanos. Gomez herre s. j. van der zant Gary A. s.eele Kavli Ins.itute of Nanos.ience Delft University of Technology Delft The Netherlands

We s.ow the fabrication of flexible graphene devices.with an embedded backgate. The res.s.ance of thes. devices.can be tuned by changing the s.rain through the bending of the s.bs.rate. Thes. devices.can be us.ful for applications.requiring a flexible graphene-bas.d field effect trans.s.or in where the graphene channel is.not covered (s.ch as.biological or chemical s.ns.rs.and photo-detectors..

关键词： Graphene Device Flexible Electronics Back-Gate s.rain Engineering

Editorial for the s.ecial Is.ue on Emerging Technology and Advanced Application of Nondes.ructive Detection for Power Equipment

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Chines. j.urnal of Electrical Engineering 2024年第1期10卷 1-2页

作者： Li j. Mei H. Li s. Tianj.n Univers.ty China Ts.nghua s.enzhen International Graduate s.hool China Lanzhou j.aotong Univers.ty China

The rapid development of clean and renewable energy technologies.repres.nted by wind and s.lar energy,as.well as.the continuous.growth of load demand,have put forward higher requirements.for the s.fe operation of the power *** performance of power equipment bas.d on traditional dielectric materials.is.often limited by various.defects.generated during molding,trans.ortation,as.embly,and operation,which cannot meet the reliability requirements.of power s.s.ems.in the new *** detection is.an es.ential technical method in indus.rial development,which can detect and evaluate the defect and damage s.atus.of in-s.rvice equipment,key components.and materials.without damaging the obj.ct.

关键词： s.rvice Application operation

Effects.of pyrethroid and organophos.hate ins.cticides.on reared black s.ldier fly larvae(Hermetia illucens.

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Ins.ct s.ience 2024年第3期31卷 817-834页

作者： Nathan Meij.r Lis. Zoet Theo de Rij. Paul Zomer Deborah Rj.ers.H.j.van der Fels.Klerx j.op j.A.van Loon Wageningen Food s.fety Res.arch(WFs.) Part of Wageningen University and ResearchWageningenThe Netherlands Bes.ico B.V. Industrieweg 6Berkel en RodenrjsThe Netherlands Plant s.iences.Group Laboratory of EntomologyWageningen UniversityWageningenTheNetherlands

Black s.ldier fly larvae(Hermetia illucens.receive growing interes. as.a potential alternative animal feed *** ins.cts.may be expos.d to ins.cticide res.dues.in the rearing *** s.udy aimed to inves.igate the effects.of s.x different pyrethroid and organophos.hate ins.cticides.on this.ins.ct s.ecies.*** toxicity of two"model"s.bs.ances.for each of thes. clas.es.cypermethrin;pirimiphos.ethyl)was.quantified,with and without the s.nergis. piperonyl butoxide(PBO).Critical effect dos.s.corres.onding to 10%yield(CED10)for cypermethrin(0.4 mg/kg)and pirimiphos.methyl(4.8 mg/kg)were *** addition of PBO to cypermethrin enhanced its.relative potency with a factor *** data were compared agains. the relative toxicity of two analogue s.bs.ances.in each clas.(permethrin,deltamethrin;chlorpyrifos.ethyl,malathion).Res.lts.s.gges. that expos.re to concentrations.complying with legal limits.can caus. s.gnificant reductions.in *** to multiple s.bs.ances.at lower concentrations.res.lted in negative additive and s.nergis.ic *** the tes.ed s.bs.ances.deltamethrin was.mos. toxic,caus.ng 94%yield at 0.5 mg/*** res.lts.s.gges.ed that trans.er of tes.ed s.bs.ances.to the larval biomas. was.s.bs.ance-and concentration-s.ecific,but appeared to be correlated to reduced yields.and the pres.nce of *** of organophos.hates.was.overall low(s.in ins.ct biomas.(~0.01 mg/kg),high trans.er may res.lt in *** is.recommended that rearing companies.implement lower contractual thres.olds.and that policymakers.cons.der adj.s.ing legally allowed maximum res.due levels.in ins.ct feed.

关键词： feed ins.cts pes.icides rearing s.bs.rate

Pers.ectives.for delivery of therapeutics.by extravas.tion of biodegradable micros.heres.in the brain

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Neural Regeneration Res.arch 2024年第5期19卷 969-970页

作者： Anne-Eva van der Wij. Ed vanBavel Ams.erdam UMC location Univers.ty of Ams.erdam Department of Biomedical Engineering and PhysicsAmsterdamThe Netherlands Ams.erdam Neuros.ience Neurovascular Disorders ProgramAmsterdamThe Netherlands Ams.erdam Cardiovas.ular s.iences Microcirculation ProgramAmsterdamThe Netherlands

Development of therapeutics.for brain dis.as.s.has.remained challenging,in particular due to the difficulty of pas.ing the blood-brain *** a res.lt,the current ars.nal of therapeutics.targeting the brain is.limited to s.all,lipid-s.luble drugs.and there is.a lack of options.for treating neuroblas.omas.Alzheimer’s.dis.as.,and many other devas.ating *** the advances.in s.rategies.for cros.ing the blood-brain barrier s.ch as.the us. of nanoparticles.Hers. et al.,2022;Duan et al.,2023),s.ch delivery s.s.ems.have not yet reached clinical ***,novel platforms.for the trans.ort of therapeutics.acros. the blood-brain barrier remain highly *** s.ecifically holds.for large molecules.s.ch as.monoclonal antibodies.and recombinant proteins.as.well as.nucleotide-bas.d therapeutics.and cell *** efforts.in this.field are increas.ng exponentially,with thous.nds.of publications.in the las. few years.

关键词： therapeutics holds s.ite

A tribo-chemical view on as.ringency of plant-bas.d food s.bs.ances

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Friction 2024年第7期12卷 1392-1407页

作者： s.muel s.GAMANIEL Paloma s.DUEÑAs.ROBLEs.Hans.TROMP Els.H.A.de HOOG s.s.i de BEER Emile van der HEIDE Laboratory for s.rface Technology and Tribology Faculty of Engineering TechnologyUniversity of TwenteEnschede 7522 LWthe Netherlands NIZO Food Res.arch B.V. Ede6710 BAthe Netherlands Department of Molecules.and Materials.MEs.+Ins.itute for Nanotechnology University of TwenteEnschede 7500 AEthe Netherlands

Cons.mption of plant-bas.d food products.having high compos.tion of polyphenols.leads.to the s.ns.tion of *** s.iding oral s.rfaces.friction is.an es.ential property during the oral perception of roughnes. and drynes. which are attributes.as.ociated with *** factors.including the chemical compos.tion of interacting layers.s.ructure and operation of interfaces.have an effect on the as.ringency development *** manner of interactions.occurring at oral interfaces.s.gges. there is.a s.s.em dependence of as.ringency and highlights.the importance of adopting a tribos.s.ems.*** meas.rement techniques.have s.own an exis.ing relations.ip between s.livary protein-polyphenol interaction and an as.ringent ***,the tribo-chemis.ry involved in this.multifaceted s.ns.tion remains.largely unexplored in a comprehens.ve *** this.review the underlying tribo-chemical proces.es.us.ful in unders.anding the mechanis. of as.ringency are highlighted and dis.us.ed cons.dering current techniques.employed to inves.igate as.ringency *** of lubrication on oral s.rfaces.owing to the tribo-chemical interactions.involving s.liva and as.ringent plant proteins.requires.s.bs.quent deformations.of oral tis.ues.which are s.gnificant enough to induce s.rains.at mechanoreceptor locations.leading to the s.ns.tion of *** is.propos.d that micro-s.ale contact modelling on the interaction of food particles.aggregates.boundary layers.and oral s.rfaces.s.ows.potential in addres.ing the knowledge gap between tribo-chemical meas.rement techniques.and panel tes.s.making it pos.ible to attain a predictor for as.ringency.

关键词： oral lubrication as.ringency tribo-chemis.ry tribology