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Inkjet droplet deposition dynamics into square microcavities for OLEDs manufacturing
Zhang L(张磊)1; Ku T(库涛)1; Cheng XD(程晓鼎)1,2; Song Y(宋岩); Zhang DY(张丁一)1
作者部门数字工厂研究室
关键词Microcavity Inkjet OLEDs Lattice Boltzmann method Multi-relaxation-time Density ratios
发表期刊Microfluidics and Nanofluidics
ISSN1613-4982
2018
卷号22期号:4页码:1-15
收录类别SCI ; EI
EI收录号20181505002659
WOS记录号WOS:000430573300013
产权排序1
资助机构National Key Research and Development Program of China
摘要The dynamics of inkjet deposition in square microcavities are investigated utilizing a three-dimensional multi-relaxation-time pseudopotential lattice Boltzmann (LB) model with large density ratios. A geometric scheme is considered within the pseudopotential LBM framework to obtain the desired contact angles. The effects of wettability, density ratios, droplet viscosity and impact velocity are explored to reveal the droplet–microcavity interactions. With the contact angles of microcavity increasing, the physical outcomes including the crown-like shape with a small round dot, circular hollow core, uniform film and convex film are identified and analyzed. At a lower density ratio ρr= 11.6, the surrounding denser gas resists the droplet recoiling flow resulting in an increasing hollow core. The appropriate higher droplet viscosity and decreasing impact velocity are preferred which could eliminate the hollow core in the recoiling phase and accelerate the inkjet deposition process straightforward. The revelation of droplet-microcavity dynamics is beneficial for optimizing inkjet deposition process and fabricating uniform OLEDs panels.
语种英语
WOS类目Nanoscience & Nanotechnology ; Instruments & Instrumentation ; Physics, Fluids & Plasmas
关键词[WOS]LATTICE BOLTZMANN METHOD ; SUPERHYDROPHOBIC SURFACES ; DRY SURFACES ; IMPACT ; TRANSITIONS ; SIMULATIONS ; STABILITY ; FLOWS
WOS研究方向Science & Technology - Other Topics ; Instruments & Instrumentation ; Physics
资助项目National Key Research and Development Program of China[2017YFB0306401]
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21859
专题数字工厂研究室
通讯作者Zhang L(张磊)
作者单位1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China;;
2.University of Chinese Academy of Sciences, Beijing 100049, China; Liaoning University, Shenyang 110036, China
推荐引用方式
GB/T 7714
Zhang L,Ku T,Cheng XD,et al. Inkjet droplet deposition dynamics into square microcavities for OLEDs manufacturing[J]. Microfluidics and Nanofluidics,2018,22(4):1-15.
APA Zhang L,Ku T,Cheng XD,Song Y,&Zhang DY.(2018).Inkjet droplet deposition dynamics into square microcavities for OLEDs manufacturing.Microfluidics and Nanofluidics,22(4),1-15.
MLA Zhang L,et al."Inkjet droplet deposition dynamics into square microcavities for OLEDs manufacturing".Microfluidics and Nanofluidics 22.4(2018):1-15.
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