当前位置：
X-MOL 学术
›
Adv. Mater. Interfaces
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Bathless Inorganic Composite Nickel Plating: Dry‐Cell Stamping of Large Hygroscopic Phosphor Crystals
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-01-07 , DOI: 10.1002/admi.201901282 Caitlyn N. Gerwitz 1 , Haley M. David 1 , Yifan Yan 1 , Jason P. Shaw 2 , Troy K. Townsend 1
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2020-01-07 , DOI: 10.1002/admi.201901282 Caitlyn N. Gerwitz 1 , Haley M. David 1 , Yifan Yan 1 , Jason P. Shaw 2 , Troy K. Townsend 1
Affiliation
|
In contrast to current composite‐metal electroplating, where objects are submerged into a liquid bath, a bathless aqueous inorganic electroplating method is investigated to increase composite loading and incorporation of large hygroscopic particles. This method can be applied as a stamping coating onto large or irregular conductive objects without the need for an electrolyte bath. Instead of stirring in solution, the composite particles are trapped in the electrolyte and forced to plate within the metal matrix. In this set‐up, a nickel salt mixture containing the composite is applied to the cathode and is separated from the anode with an ion‐permeable membrane. As a proof of concept, large noncharged fluorescent composite particles are electrochemically embedded via electrochemical reduction of nickel salts resulting in up to 80 ± 12% surface area coverage after controlling deposition parameters of current density and duration. Long persistent afterglow SrAl2O4:Eu2+, Dy3+ phosphor powder is chosen because of its large crystal size (87 ± 30 µm) and hygroscopic nature. The photoluminescent quantum yield is measured and compared to the composite coatings, which reaches up to 9.9 ± 0.8% after 18 h of coating. Film morphology, phosphor surface loading, and film thickness are characterized by optical microscopy.
中文翻译：
无浴无机复合镀镍：大型吸湿性磷光体晶体的干电池冲压
与当前的将金属浸入液浴的复合金属电镀相反，研究了一种无浴水性无机电镀方法，以增加复合材料的负载量和吸湿性大颗粒的掺入。该方法可以作为冲压涂层应用到大型或不规则的导电物体上，而无需使用电解液。代替在溶液中搅拌，复合颗粒被捕获在电解质中并被迫镀在金属基质中。在此设置中，将包含复合材料的镍盐混合物施加到阴极，并通过离子渗透膜将其与阳极分离。作为概念证明，在控制电流密度和持续时间的沉积参数之后，通过镍盐的电化学还原将大的不带电的荧光复合颗粒电化学嵌入，从而产生高达80±12％的表面积覆盖率。持久的余辉SrAl选择2 O 4：Eu 2 +，Dy 3+荧光粉是因为其晶体尺寸大（87±30 µm）和具有吸湿性。测量了光致发光的量子产率并将其与复合涂层进行比较，复合涂层在涂覆18小时后可达到9.9±0.8％。通过光学显微镜表征膜的形态，磷光体的表面负载和膜的厚度。
更新日期：2020-01-07
中文翻译：
无浴无机复合镀镍：大型吸湿性磷光体晶体的干电池冲压
与当前的将金属浸入液浴的复合金属电镀相反，研究了一种无浴水性无机电镀方法，以增加复合材料的负载量和吸湿性大颗粒的掺入。该方法可以作为冲压涂层应用到大型或不规则的导电物体上，而无需使用电解液。代替在溶液中搅拌，复合颗粒被捕获在电解质中并被迫镀在金属基质中。在此设置中，将包含复合材料的镍盐混合物施加到阴极，并通过离子渗透膜将其与阳极分离。作为概念证明，在控制电流密度和持续时间的沉积参数之后，通过镍盐的电化学还原将大的不带电的荧光复合颗粒电化学嵌入，从而产生高达80±12％的表面积覆盖率。持久的余辉SrAl选择2 O 4：Eu 2 +，Dy 3+荧光粉是因为其晶体尺寸大（87±30 µm）和具有吸湿性。测量了光致发光的量子产率并将其与复合涂层进行比较，复合涂层在涂覆18小时后可达到9.9±0.8％。通过光学显微镜表征膜的形态，磷光体的表面负载和膜的厚度。
京公网安备 11010802027423号