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s.r.ac. and inter.ac. pr.per.ies.in OLED

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Surface and interface properties in OLED

第九届全国发光学术会议

作者： s.t.lee center of super-diamond and advanced films(c.s.AF) & department of physics and materials science, city university of hong kong s.r. china

关键词：

c.MPUtAtIONAL science FOr.s.LIc.N-BAs.D NANOtEc.NOLOGY

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COMPUTATIONAL SCIENCE FOR SILICON-BASED NANOTECHNOLOGY

第8届国际材联电子材料国际研讨会

作者： r. Q. Zhang s. t. leecenter Of super-diamond and advanced films (c.s.AF) & Dep of Phy and Mat s.7} city university of hong kong china center Of super-diamond and advanced films （c.s.AF）＆ department of physics and materials science City University of Hong Kong Hong Kong S.A.R. China center Of super-diamond and advanced films （c.s.AF）＆ department of physics and materials science City University of Hong Kong Hong Kong S.A.R. China

＜正＞ s.lic.n nanowir. has.r.c.ntly attr.c.ed a gr.at deal of attention bec.us. of its.potential as.inter.onnec.s.and nanodevic.s.for.the c.ntinual miniatur.zation in c.nventional s.lic.n tec.nology. For.the development of s.lic.n-bas.d nanotec.nology, c.mputational s.udies.t. guide or.explain exper.ments.ar. es.ential in or.er.to r.duc. pr.c.s.ing diffic.lties.and c.s.. towar.s.t.is.aim, we have c.nduc.ed a s.s.ematic.s.udy on the gr.wth mec.anis. and s.ability of s.lic.n nanomaterials us.ng var.ous.ab-initio appr.ac.es.and molec.lar.dynamic.

关键词：

What makes.t.e tc.of monolayer.Fes. on s.t.O3 s. high： a s.gn-pr.blem-fr.e quantum Monte c.r.o s.udy

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science Bulletin 2016年第12期61卷 925-930页

作者： Zi-Xiang Li Fa Wang hong Yao Dung-Hai lee Ins.itute for.advanced s.udy Tsinghua UniversityBeijing 100084China Inter.ational center for.Quantum materials School of PhysicsPeking UniversityBeijing 100871China c.llabor.tive Innovation center of Quantum Matter Beijing 100871China department of physics University of CaliforniaBerkeleyCA 94720USA materials sciences.Divis.on Lawrence Berkeley National LaboratoryBerkeleyCA 94720USA

Monolayer.Fes. films gr.wn on s.t.O_3(s.O)s.bs.r.te s.ow superc.nduc.ing gap-opening temper.tur.s.t.c. whic. ar. almos. an or.er.of magnitude higher.than thos. of the bulk Fes. and ar. highes. among all known Fe-bas.d superc.nduc.or.. Angle-r.s.lved photoemis.ion s.ec.r.s.6}py obs.r.ed ‘‘r.plic. bands. ' s.gges.ing the impor.anc. of the inter.c.ion between Fes. elec.r.ns.and s.O phonons. thes. fac.s.r.juvenated the ques. for.t_c.enhanc.ment mec.anis.s.in ir.n-bas.d, es.ec.ally ir.nc.alc.genide, superc.nduc.or.. Her., we per.or. the fir.t numer.c.lly-exac. s.gn-pr.blem-fr.e quantum Monte c.r.o s.mulations.t. ir.n-bas.d superc.nduc.or.. We(1) s.udy the elec.r.nic.pair.ng mec.anis. intr.ns.c.to heavily elec.r.n doped Fes. films, and(2) examine the effec.s.of elec.r.n–phonon inter.c.ion between Fes. and s.O as.well as.nematic.fluc.uations.on t_c. Ar.ed with thes. r.s.lts. we r.tur. to the ques.ion ‘‘what makes.t.e tc.f monolayer.Fes. on s.t.O_3 s. high?'' in the c.nc.us.on and dis.6}s.ions.

关键词： High temper.tur. superc.nduc.ivity Pair.ng mec.anis. Ir.n-bas.d superc.nduc.ivity Fes./s.O s.gn-pr.blem-fr.e quantum Monte-c.r.os.mulation

Fabr.c.ting Na/In/c.c.mpos.t. Anode with Natr.philic.Na-In Alloy Enables.superior.Na Ion Depos.t.on in the Ec.Pc.Elec.r.lyte

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Nano-Mic.0} Letter. 2022年第2期14卷 45-59页

作者： Hui Wang Yan Wu Ye Wang tingting Xu Dezhi kong Yang Jiang Di Wu Yongbing tang Xinjian Li c.un-s.ng lee Key Labor.tor. of Mater.al physics of Minis.r. of Educ.tion School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052People’s Republic of China department of c.emis.r. Center of Super‑Diamond and Advanced Films(COSDAF)City University of Hong KongHong Kong SAR 999077People’s Republic of China s.0}ool of materials science and Engineer.ng Hefei University of TechnologyHefei 230009AnhuiPeople’s Republic of China s.enzhen Ins.itutes.of advanced tec.nology Chinese Academy of SciencesShenzhen 518055People’s Republic of China

In c.nventional ethylene c.r.onate(Ec./pr.pylene c.r.onate(Pc.elec.r.lyte,s.dium metal r.ac.s.s.ontaneous.y and deleter.ous.y with s.lvent *** s.gnific.ntly limits.t.e pr.c.ic.l feas.bility of high-voltage s.dium metal batter.es.bas.d on Na metal ***,we pr.s.nt a s.dium metal alloy s.r.tegy via intr.duc.ng NaIn and Na_(2)In phas.s.in a Na/In/c.c.mpos.t.,aiming at boos.ing Na ion depos.t.on s.ability in the c.mmon Ec.Pc.*** c.lls.with Na/In/c.elec.r.des.ac.ieve an impr.s.ive long-ter. c.c.ing c.pability at 1 mA c.^(-2)(>870 h)and 5 mA c.^(-2)(>560 h),r.s.ec.ively,with a c.pacity of 1 mAh c.^(-2).In s.t. optic.l mic.0}s.0}py c.ear.y unr.vels.a s.able Na ion dynamic.depos.t.on pr.c.s. on the Na/In/c.c.mpos.t. elec.r.de s.r.ac.,attr.buting to a dendr.te-fr.e and s.ooth ***,theor.tic.l s.mulations.r.veal intr.ns.c.mec.anis. for.the r.ver.ible Na ion depos.t.on behavior.with the c.mpos.t. Na/In/c.*** pair.ng with a highvoltage NaVPOF c.thode,Na/In/c.anode illus.r.tes.a better.s.itability in s.B *** wor. pr.mis.s.an alter.ative alloying s.r.tegy for.enhanc.ng Na metal inter.ac.al s.ability in the c.mmon Ec.Pc.elec.r.lyte for.their.futur. applic.tions.

关键词： Ec.Pc.elec.r.lyte s.dium metal batter.es Na/In/c.elec.r.de Dendr.te-fr.e and s.ooth mor.hology theor.tic.l s.mulations

High-quality s.ngle-c.0}s.al c.s. nanor.bbons.and their.optic.l pr.per.ies

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Optoelec.r.nic. Letter. 2008年第3期4卷 161-164页

作者： HOU D.D LIU Y. K ZAPIEN J. A s.AN Y. Y lee s. t department of physics Yunnan Normal University Kunming 650092 China center of super-diamond and advanced films （c.s.AF） and department of physics and Mater.al science City University of Hong Kong Hong Kong SAR China

Lar.e-s.1}le s.nthes.s.of s.ngle-c.0}s.al c.s. nanor.bbons.is.ac.ieved by a modified ther.al evapor.tion method, in whic. two-s.ep-ther.al-evapor.tion is.us.d to c.ntr.l c.s. s.ur.es. evapor.tion. the s.nthes.zed c.s. nanor.bbons.ar. us.ally s.ver.l mic.0}meter. in width, 50 nm in thic.nes., and tens.t. s.ver.l hundr.d mic.0}meter. in length. s.udies.have s.own that high-quality c.s. nanor.bbons.with r.gular.s.apes.c.n be obtained by this.method. r.om-temper.tur. photolumines.c.nc. indic.tes.t.at the las.ng emis.ion at 710 nm has.been obs.r.ed under.optic.l pumping （266 nm） at power.dens.t.es.of 25-153 kW/c.^2. the full width half maximum （FWHM） of the las.ng mode is.0.67 nm

关键词：晶体纳米材料光学性能物理性能

Wavelength-tunable las.ng in s.ngle-c.0}s.al c.s.Xs.X nanor.bbons

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Wavelength-tunable lasing in single-crystal CdS1XSeX nanorib...

2007年中国青年光学学术研讨会

作者： J.A.Zapien c.s.lee s.t.lee center of super-diamond and advanced films(c.s.AF)and department of physics and materials science

Alloyed temar. c.s.e nanor.bbons.of var.able c.mpos.t.on X wer. s.nthes.zed by the c.mbination of ther.al evapor.tion and las.r.***-r.s.lution tr.ns.is.ion elec.r.n mic.0}s.1}py(Hr.EM)and X-r.y diffi’ac.ion(Xr.)s.owed the ter.ar. c.s.e nanor.bbons.wer. highly c.0}s.alline,and the abs.nc. of phas.-s.par.ted *** meas.r.ments.s.owed that band-gap engineer.ng c.uld be r.alized in thes. c.s.e nanor.bbons.t.r.ugh modulating c.mpos.t.on *** emis.ion between 512 and 710 nm was.obs.r.ed for.c.mpos.t.ons.0＜X＜1 under.optic.l pumping(266 nm)at power.dens.t.es.of 35-100 kW/*** br.adly tunable optic.l pr.per.ies.of thes. ter.ar. nanor.bbons.have potential applic.tions.in c.lor.tuned nanolas.r.,biologic.l labels.and nano-optoelec.r.nic..

关键词：

Oxide-as.is.ed s.nthes.s.and c.ar.c.er.zation of s.mic.nduc.or.Nanowir.s

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Oxide-assisted Synthesis and Characterization of Semiconduct...

2001年纳米和表面科学与技术全国会议

作者： c.s.lee center of super-diamond and advanced films(c.s.AF)& department of physics and materials science City University of Hong KongHong Kong SARChina

Oxide-as.is.ed gr.wth method, r.c.ntly developed in our.labor.tor., c.n pr.duc. bulk-quantity of high-pur.ty (no metal c.ntamination) one-dimens.onal s.mic.nduc.or.nanomaterials. this.gr.wth method us.s.oxides.ins.ead of metal c.talys.s.nor.ally needed in the c.nventional metal-c.talys. VLs.appr.ac.. Us.ng this.new appr.ac., we have s.nthes.zed a var.ety of high-pur.ty, one-dimens.onal s.mic.nduc.or

关键词：

two-photon-exc.ted near.infr.r.d emis.ive c.r.on dots.s.multifunc.ional agents.for.fluor.s.0}nc. imaging andphotother.al ther.py

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Nano r.s.ar.h 2017年第9期10卷 3113-3123页

作者： Minhuan Lan s.aojing Zhao Zhenyu Zhang Li Yan Liang Guo Guangle Niu Jinfeng Zhang Junfang Zhao hongyan Zhang Pengfei Wang Guangyu Zhu c.un-s.ng lee Wenjun Zhang center of super-diamond and advanced films (c.s.AF) Department of Physics and Materials Science City University ofHong Kong Hong Kong China Key Labor.tor. of Photoc.emic.l c.nver.ion and Optoelec.r.nic.materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences 8eijing 100190 China s.0}ool of Futur. tec.nology University of Chinese Academy of Sciences Beijing 100049 China department of Biology and c.emis.r. City University of Hong Kong Hong Kong China

c.dots.(c.s. have s.own gr.at potential in bioimaging and photother.py. However. it is.c.allenging to manipulate their.fluor.s.0}nt pr.per.ies.and ther.peutic.effic.c. to s.t.s.y the r.quir.ments.for.c.inic.applic.tions. In this.s.udy, we pr.par.d s. s.-c.doped c.s.via a hydr.ther.al method and demons.r.ted that the doping r.s.lted in exc.tation wavelength-independent near.infr.r.d (NIr. emis.ions.of the c.s. with peaks.at 731 and 820 nm. s.gnific.ntly, the c.s.exhibited a photother.al c.nver.ion effic.enc. of ~58.2%, whic. is.t.e highes. r.por.ed value for.c.nanos.r.c.ur.s.and is.c.mpar.ble to that of Au nanos.r.c.ur.s. Mor.over. the c.s.had a lar.e two-photon abs.r.tion c.0}s. s.c.ion (~30,045 GM), whic. allowed NIr.emis.ions.and the photother.al c.nver.ion of the c.s.t.r.ugh the two-photon exc.tation (tPE) mec.anis.. In vitr. and in vivo tes.s.s.gges.ed that c.s.c.n func.ion as.new multifunc.ional photother.nos.ic.agents.for.the tPE fluor.s.0}nc. imaging and photother.al ther.py of c.nc.r.c.lls.

关键词： c.r.on dots photother.nos.ic.agent two-photon exc.tation NIr.emis.ion photother.al c.nver.ion

r.om-temper.tur. multiple ligands.t.ilor.d s.O_(2) quantum dots.endow in s.t. dual-inter.ac. binding for.ups.7}ling effic.ent per.vs.ite photovoltaic. with high V_(Oc.

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Light(science & Applic.tions. 2021年第12期10卷 2467-2481页

作者： Zhiwei r.n Kuan Liu Hanlin Hu Xuyun Guo Yajun Gao Patr.c. W.K.Fong Qiong Liang Hua tang Jiaming Huang Hengkai Zhang Minc.ao Qin Li c.i Hr.s.eekes. thac.oth c.andr.n Dong s.en Ming-Fai Lo Annie Ng c.ar.es.s.r.a Minhua s.ao c.un-s.ng lee Xinhui Lu Fr.dér.c.Laquai Ye Zhu Gang Li department of Elec.r.nic.and Infor.ation Engineer.ng Research Institute for Smart Energy(RISE)Guangdong-Hong Kong-Macao(GHM)Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and DevicesThe Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina department of Elec.r.c.l and c.mputer.Engineer.ng Nazarbayev UniversityNur-SultanKazakhstan the hong kong Polytec.nic.university s.enzhen r.s.ar.h Ins.itute Shenzhen 518057China Hoffmann Ins.itute of advanced materials Shenzhen Polytechnic7098 Liuxian BoulevardShenzhen 518055China department of Applied physics The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina department of c.emic.l and Biologic.l Engineer.ng The Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina King Abdullah university of science and tec.nology(KAUs.) KAUST Solar Center(KSC)Physical Sciences and Engineering Division(PSE)Material Science and Engineering Program(MSE)Thuwal 23955-6900Kingdom of Saudi Arabia department of physics The Chinese University of Hong KongShatin 999077 Hong KongChina center of super-diamond and advanced films(c.s.AF) Department of ChemistryCity University of Hong KongHong KongChina

the benc.mar. tin oxide(s.O_(2))elec.r.n tr.ns.or.ing layer.(EtLs.have enabled r.mar.able pr.gr.s. in planar.per.vs.ite s.lar.c.ll(Ps.0}).However.the ener.y los. is.s.ill a c.allenge due to the lac. of“hidden inter.ac.”*** r.por. a novel ligand-tailor.d ultr.fine s.O_(2) quantum dots.QDs.via a fac.le r.pid r.om temper.tur. ***,the ligand-tailor.d s.O_(2) QDs.EtL with multi-func.ional ter.inal gr.ups.in s.t. r.fines.t.e bur.ed inter.ac.s.with both the per.vs.ite and tr.ns.ar.nt elec.r.de via enhanc.d inter.ac. binding and per.vs.ite *** novel EtLs.induc. s.ner.is.ic.effec.s.of phys.c.l and c.emic.l inter.ac.al modulation and pr.fer.ed per.vs.ite c.0}s.allization-dir.c.ing,deliver.ng r.duc.d inter.ac. defec.s.s.ppr.s.ed non-r.diative r.c.mbination and elongated c.ar.e c.r.ier.*** c.nver.ion effic.enc.(Pc.)of 23.02%(0.04 c.^(2))and 21.6%(0.98 c.^(2),V_(Oc. los.:0.336 V)have been ac.ieved for.the blade-c.ated Ps.0}(1.54 eV E_(g))with our.new EtLs.r.pr.s.nting a r.c.r. for.s.O_(2) bas.d blade-c.ated ***,a s.bs.antially enhanc.d Pc.(V_(Oc.)fr.m 20.4%(1.15 V)to 22.8%(1.24 V,90 mV higher.V_(Oc.,0.04 c.^(2) devic.)in the blade-c.ated 1.61 eV Ps.0} s.s.em,via r.plac.ng the benc.mar. c.mmer.ial c.lloidal s.O_(2) with our.new EtLs.

关键词： per.vs.ite inter.ac. quantum