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| 1 | LOCAL CREEP EVALUATION OF P92 STEEL WELDMENT BY SMALL PUNCH CREEP TEST显示文摘这研究的目的是评估本地人爬象粗糙的颗粒的热那样的各种各样的微观结构的损坏影响了地区( CGHAZ ),精细的热影响了地区( FGHAZ ), intercritical 热影响了作为类型 IV 区域知道的地区( ICHAZ ),焊接金属,并且由小穿孔机( SP )基于 P92 ( 9Cr-2W )钢焊接的金属爬在 600 掳C 的测试。另外,焊接分开决定最弱的本地人,微观结构在上的效果爬在 P92 钢的焊接的破裂行为被学习。从试验性的结果, FGHAZ 和类型 IV 区域结果是 P92 焊接的很弱的本地部分。特别, TYPE IV 区域显示出最大的排水量率并且与许多过了最短的破裂生活爬洞广泛地在大多数这个区域传播了。 | Bumjoon Kim Byeongsoo Lim | 2008 | Acta Mechanica Solida Sinica2008，21，4： | 4 |
| 2 | A High Dielectric N-Type Small Molecular Acceptor Containing Oligoethyleneglycol Side-Chains for Organic Solar Cellst显示文摘 | Bomee Jang Changyeon Lee Young Woong Lee Donguk Kim Mohammad Afsar Uddin Felix Sunjoo Kim Bumjoon J. Kim Han Young Woo | 2018 | Chinese Journal of Chemistry2018，36，3： | 3 |
| 3 | Photocatalytic TiO2 deposition by chemical vapor deposition 显示文摘 | Byun D Jin Y Kim Bumjoon | 2000 | J Hazard Mater2000，73，2： | 1 |
| 4 | Creep behavior and microstructural damage of martensitic P92 steel weldment显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo Lim | 2007 | Materials Science & Engineering A2007，，： | 1 |
| 5 | Creep behavior and micro structural damage of martensitie P92 steel weldment 显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo l im | 2008 | Materials Science and Engineering: A2008，，： | 1 |
| 6 | Creep behavior and microstruetural damage of martensitie P92 steel weldment显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo Lira | 2008 | Mater Sci Eng2008，483，484： | 1 |
| 7 | Creep behavior and micro-structural damage of martensitic P92steel weldment 显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo Lim | 2008 | Materials Science and Engineering2008，，： | 1 |
| 8 | Creep behavior and microstructural damage of martensitic P92 steel weldment显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo Lim | 2007 | Materials Science & Engineering A2007，，： | 1 |
| 9 | Effects of Flexible Conjugation-Break Spacers of Non-Conjugated Polymer Acceptors on Photovoltaic and Mechanical Properties of All-Polymer Solar Cells显示文摘All-polymer solar cells(all-PSCs)possess attractive merits including superior thermal stability and mechanical flexibility for large-area roll-to-roll processing.Introducing flexible conjugation-break spacers(FCBSs)into backbones of polymer donor(P_(D))or polymer acceptor(P_(A))has been demonstrated as an efficient approach to enhance both the photovoltaic(PV)and mechanical properties of the all-PSCs.However,length dependency of FCBS on certain all-PSC related properties has not been systematically explored.In this regard,we report a series of new non-conjugated P_(A)s by incorporating FCBS with various lengths(2,4,and 8 carbon atoms in thioalkyl segments).Unlike com-mon studies on so-called side-chain engineering,where longer side chains would lead to better solubility of those resulting polymers,in this work,we observe that the solubilities and the resulting photovoltaic/mechanical properties are optimized by a proper FCBS length(i.e.,C2)in P_(A) named PYTS-C2.Its all-PSC achieves a high efficiency of 11.37%,and excellent mechanical robustness with a crack onset strain of 12.39%,significantly superior to those of the other P_(A)s.These results firstly demonstrate the effects of FCBS lengths on the PV performance and mechanical properties of the all-PSCs,providing an effective strategy to fine-tune the structures of P_(A)s for highly efficient and mechanically robust PSCs. | Qiaonan Chen Yung Hee Han Leandro R.Franco Cleber F.N.Marchiori Zewdneh Genene CMoyses Araujo Jin-Woo Lee Tan Ngoc-Lan Phan Jingnan Wu Donghong Yu Dong Jun Kim Taek-Soo Kim Lintao Hou Bumjoon J.Kim Ergang Wang | 2022 | Nano-Micro Letters2022，14，10： | 1 |
| 10 | Creep behavior and microstructural damage of martensitic P92 steel weldment显示文摘 | Bumjoon Kim Chanseo Jeong Byeongsoo Lim | 2008 | Materials Science and Engineering A2008，，483484： | 1 |
| 11 | Aqueous-processable,naphthalene diimide-based polymers for eco-friendly fabrication of high-performance,n-type organic electrolyte-gated transistors显示文摘Organic electrolyte-gated transistors(OEGTs) have the benefits of low power consumption and large current modulation.Nevertheless,the electrical performance of n-type OEGTs lags far behind that of p-type OEGTs.In this study,we design a series of polymers,P(NDITEG-T) and P(NDIMTEG-T),comprising a naphthalene diimide backbone for n-type charge transport and oligo(ethylene glycol)(OEG) side chains for high ionic conductivity and eco-friendly solution processing.The incorporation of the OEG chain facilitates the electrochemical doping of the semiconductor by ions to realize high-performance,n-type OEGTs.Notably,in OEGTs,P(NDITEG-T) achieves a high electron mobility of 1.0 × 10^(-1) cm^(2) V^(-1) s^(-1),which represents the highest value reported for solution-processed,n-type OEGTs.It is noted that the fabrication of the OEGTs is achieved by solution processing with eco-friendly ethanol/water mixtures in virtue of the hydrophilic OEG chains.This work demonstrates the molecular design of the P(NDITEG-T) polymer and its significant ability to produce aqueous-processable,high-performance,and n-type OEGTs. | Dahyun Jeong Min Je Kim Seungjin Lee Jin-Woo Lee Youngwoong Kim Hyeong Jun Kim Jeong Ho Cho Bumjoon J.Kim | 2022 | Science China Chemistry2022，65，5： | 0 |
| 12 | Polymersome formation by solvent annealing-induced structural reengineering under 3D soft confinement显示文摘A solvent annealing-induced structural reengineering approach is exploited to fabricate polymersomes from block copolymers that are hard to form vesicles through the traditional solution self-assembly route.More specifically,polystyrene-b-poly(4-vinyl pyridine)(PS-b-P4VP)particles with sphere-within-sphere structure(SS particles)are prepared by three-dimensional(3D)soft-confined assembly through emulsion-solvent evaporation,followed by 3D soft-confined solvent annealing upon the SS particles in aqueous dispersions for structural engineering.A water-miscible solvent(e.g.,THF)is employed for annealing,which results in dramatic transitions of the assemblies,e.g.,from SS particles to polymersomes.This approach works for PS-b-P4VP in a wide range of block ratios.Moreover,this method enables effective encapsulation/loading of cargoes such as fluorescent dyes and metal nanoparticles,which offers a new route to prepare polymersomes that could be applied for cargo release,diagnostic imaging,and nanoreactor,etc. | Xi Mao Hao Li Jinwoo Kim Shuai Deng Renhua Deng Bumjoon J.Kim Jintao Zhu | 2021 | Nano Research2021，14，12： | 0 |
| 13 | Polymer donors with hydrophilic side-chains enabling efficient and thermally-stable polymer solar cells by non-halogenated solvent processing显示文摘Polymer solar cells(PSCs)with high power conversion efficiency(PCE)and environment-friendly fabrication are the main requirements enabling their production in industrial scale.While the use of non-halogenated solvent processing is inevitable for the PSC fabrication,it significantly reduces the processability of polymer donors(PDS)and small-molecule acceptors(SMAs).This often results in unoptimized blend morphology and limits the device performance.To address this issue,hydrophilic oligoethylene glycol(OEG)side-chains are introduced into a PD(2EG)to enhance the molecular compatibility between the PD and L8-BO SMA.The 2EG PD induces higher crystallinity and alleviates phase separation with the SMA compared to the reference PD(PM7)with hydrocarbon side-chains.Consequently,the 2EG-based PSCs exhibit a higher PCE(15.8%)than the PM7-based PSCs(PCE=14.4%)in the ortho-xylene based processing.Importantly,benefitted from the reduced phase separation and increased crystallinity of 2EG PDS,the 2EG-based PSCs show enhanced thermal stability(84%of initial PCE after 120 h heating)compared to that of the PM7-based PSCs(60%of initial PCE after 120 h heating).This study demonstrates the potential of OEG side-chain-incorporated materials in developing efficient,stable,and eco-friendly PSCs. | Soodeok Seo Jun-Young Park Jin Su Park Seungjin Lee Do-Yeong Choi Yun-Hi Kim Bumjoon J.Kim | 2024 | Nano Research Energy2024，3，1： | 0 |
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