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Morphological Characteristics and Printing Mechanisms of Grid Lines by Laser-Induced Forward Transfer

文献类型：期刊论文

作者Zhang YM(张艳梅)2,3,4; Tian CX(田崇鑫)1,2,4; Yu YC(于玉翠)2,4; He XL(何秀丽)1,2,4; Bian YH(边艳华)2,4; Li SX(李少霞)1,2,4; Yu G(虞钢)1,2,3,4
刊名METALS
出版日期2022-12-01
卷号12期号:12页码:14
关键词laser-induced forward transfer (LIFT) grid lines morphology transfer mechanism metallization
DOI10.3390/met12122090
通讯作者Li, Shaoxia(lisx@imech.ac.cn) ; Yu, Gang(gyu@imech.ac.cn)
英文摘要Laser-induced forward transfer (LIFT) is an innovative metallization technique used in the processing of grid lines of solar cells for the photovoltaics industry. A study on the morphology and transfer mechanisms of formed lines with high-viscosity silver paste and small gap was performed in this paper. There were three different transfer states under different laser fluences: non-transferred lines or transferred but no continuous lines, continuous transferred lines, and explosive transferred lines. There was a critical transfer threshold for the continuous line transfer under different processing speeds. Higher processing speed required a larger critical transfer threshold. The line width increased as the laser fluence increased. For all continuous formed lines, the cross-sectional morphologies with single and double peaks were shown at critical and above transfer threshold, respectively. Two symmetrical protrusions with steep edges were observed for the formed line with double peaks. By comparing the silver paste remaining on the donor and transferred to the acceptor under different laser fluences, it can be found the transferred silver paste exhibited a retracting characteristic under the critical and above transfer threshold. While a stretching characteristic was obvious when the laser fluence was much higher than the transfer threshold. Morphological characteristics with single or double peaks were determined by the distance between the rupture position of the bridge and the bottom of the bubble, under the action of the axial combined forces. This work can provide insights for improving fine-line metallization and understanding transfer mechanisms in the photovoltaic application and flexible electronics devices.
分类号二类
资助项目Research Project of Guangdong Aerospace Research Academy Research Project ; [GARA2022001000]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000902745600001
资助机构Research Project of Guangdong Aerospace Research Academy Research Project
其他责任者Li, Shaoxia ; Yu, Gang
源URL[http://dspace.imech.ac.cn/handle/311007/91302]  
专题宽域飞行工程科学与应用中心
作者单位1.Guangdong Aerosp Res Acad, Guangzhou 511458, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
3.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;
4.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China;
推荐引用方式
GB/T 7714		 Zhang YM,Tian CX,Yu YC,et al. Morphological Characteristics and Printing Mechanisms of Grid Lines by Laser-Induced Forward Transfer[J]. METALS,2022,12(12):14.
APA 张艳梅.,田崇鑫.,于玉翠.,何秀丽.,边艳华.,...&虞钢.(2022).Morphological Characteristics and Printing Mechanisms of Grid Lines by Laser-Induced Forward Transfer.METALS,12(12),14.
MLA 张艳梅,et al."Morphological Characteristics and Printing Mechanisms of Grid Lines by Laser-Induced Forward Transfer".METALS 12.12(2022):14.

入库方式： OAI收割

来源：力学研究所

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