纳米银粉的制备及在太阳能背面银浆中的应用
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摘要
以葡萄糖为还原剂,银氨配合物为前驱体,加入PVP高分子保护剂,在碱性环境下制备出纳米级(50～200 nm)银粉。研究了反应介质PH值、保护剂量及反应温度在制备过程中对银粉的形貌、粒径和分散效果的影响。结果表明,将经过表面改性的纳米银粉应用到太阳能背面银浆中,能显著提高银浆的烧结活性,降低电阻率和加强焊接附着力。
In this paper, using glucose as the reducing agent, silver-ammonium complexes as precursor, and PVP polymer as the protective agent, nano-scale silver powder(50～200 nm) was prepared in alkali environment. The effects of PH value of the reaction medium, protective dose and reaction temperature on the morphology, particle size of silver powder were investigated. The results show that the surface modification of nano silver powder and the application of nano silver powder to the silver paste on the back side of the solar energy can significantly improve the sintering activity of the silver paste, reduce the electrical resistivity and enhance the welding adhesion.
In this paper, using glucose as the reducing agent, silver-ammonium complexes as precursor, and PVP polymer as the protective agent, nano-scale silver powder(50～200 nm) was prepared in alkali environment. The effects of PH value of the reaction medium, protective dose and reaction temperature on the morphology, particle size of silver powder were investigated. The results show that the surface modification of nano silver powder and the application of nano silver powder to the silver paste on the back side of the solar energy can significantly improve the sintering activity of the silver paste, reduce the electrical resistivity and enhance the welding adhesion.
引文
[1]Li L S,Hu J T,Yang W D,et al.Band gap variation of size and shape-controlled colloidal CdSe quantum rods[J].Nano Letters,2001,1(7):349-351.
[2]司民真,方炎,彭家林,等.电解法制备纳米银溶胶及其SERS活性研究[J].光谱学与光谱分析,2007(5):948-952.
[3]Tai Y L,Yang Z G.Preparation of stable aqueous conductive ink with silver nanoflakes and its application on paper-based flexible electronics[J].Surface and Interface Analysis,2012,44(5):529-534.
[4]Lee C L,Syu C M,Chiou H P,et al.High-yield,size-controlled synthesis of silver nanoplates and their applications as methanol-tolerant electrocatalysts in oxygen reduction reaction[J].International Journal of Hydrogen Energy,2011,36(17):10502-10512.
[5]Le G X,Wang F Y,Stranik O,et al.Synthesis,stabilization,and functionalization of silver nanoplates for biosensor applications[J].Journal of Physical ChemistryC,2009,113(37):16380-16386.
[6]Foltynowicz Z,Gwiazdowska D,Rodewald D,et al.Antimicrobial properties of socks protected with silver nanoparticles.[J].Fibres&Textiles in Eastern Europe,2013,21(5):91-96.
[7]高雯雯,兰新哲,宋永辉,等.化学法制备形状可控纳米银的研究进展[J].贵金属,2009,30(2):64-74.
[8]楚广,杨天足,刘伟锋,等.纳米银粉的制备及其应用研究进展[J].贵金属,2006,27(1):57-63.
[9]刘剑,曹瑞军,郗英欣.表面活性剂在纳米粉体制备中的应用[J].化工新型材料,2003,31(7):37-40.
[2]司民真,方炎,彭家林,等.电解法制备纳米银溶胶及其SERS活性研究[J].光谱学与光谱分析,2007(5):948-952.
[3]Tai Y L,Yang Z G.Preparation of stable aqueous conductive ink with silver nanoflakes and its application on paper-based flexible electronics[J].Surface and Interface Analysis,2012,44(5):529-534.
[4]Lee C L,Syu C M,Chiou H P,et al.High-yield,size-controlled synthesis of silver nanoplates and their applications as methanol-tolerant electrocatalysts in oxygen reduction reaction[J].International Journal of Hydrogen Energy,2011,36(17):10502-10512.
[5]Le G X,Wang F Y,Stranik O,et al.Synthesis,stabilization,and functionalization of silver nanoplates for biosensor applications[J].Journal of Physical ChemistryC,2009,113(37):16380-16386.
[6]Foltynowicz Z,Gwiazdowska D,Rodewald D,et al.Antimicrobial properties of socks protected with silver nanoparticles.[J].Fibres&Textiles in Eastern Europe,2013,21(5):91-96.
[7]高雯雯,兰新哲,宋永辉,等.化学法制备形状可控纳米银的研究进展[J].贵金属,2009,30(2):64-74.
[8]楚广,杨天足,刘伟锋,等.纳米银粉的制备及其应用研究进展[J].贵金属,2006,27(1):57-63.
[9]刘剑,曹瑞军,郗英欣.表面活性剂在纳米粉体制备中的应用[J].化工新型材料,2003,31(7):37-40.