As per the supplier, for spin-coating on glass, a standard iterative solvent cleaning protocol is recommended, involving 5 minutes of sonic cleaning in acetone, ethanol, and isopropanol, followed by blow-drying with N2 between each step, and then ozone plasma treatment (medium power for 2-5 minutes) to promote adhesion. The ink is also compatible with spin-coating on Si/SiO2 substrates, which can undergo the same pre-treatment protocol. When using the spin coater, spinning a single layer at 2000-5000 rpm results in a final film thickness of 40-60 nm. To achieve thicker films, multiple layers can be applied without a baking step, which is recommended over using a lower spin speed to maintain film uniformity. With 5 coats at 2000 rpm, a 200 nm thick film is obtained after baking at 300 °C for 30 minutes in air.
推荐产品
产品名称
用于旋涂/喷涂光子退火的石墨烯墨水, for spin-coating, spray-coating, photonic annealing
质量水平
表单
dispersion (black)
环保替代产品特性
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
浓度
1.8-3.0 wt. % solids
电阻率
0.003-0.005 Ω-cm, sample prepared by spin-coating at 2000 rpm/30 s for 5 coats, followed by thermal annealing at 300 °C in air for 30 minutes
粒径
≤3 μm
粘度
2-8 mPa.s(25 °C) (1000 s-1)
沸点
78 °C (ethanol)
密度
0.78-0.88 g/mL at 25 °C
环保替代产品分类
, Enabling
一般描述
应用
以2000-5000 rpm旋涂单层，最终膜厚为40-60 nm。为了获得更厚的薄膜，可以在没有烘烤步骤的情况下应用多层。建议使用较低的旋转速度以保持薄膜均匀性。 该墨水几乎可以在任何基质上使用。
电气性能：
在300 °C下，在空气中烘烤30分钟后，旋涂膜表现出300-800 Ω/sq的薄层电阻，对应于0.003-0.004 Ω−cm的电阻率。在2000rpm下涂覆5层，获得的厚度为200 nm的薄膜，薄层电阻为160 Ω/sq。
通用指南：
建议使用乙醇清洗油墨和干膜，以及稀释。建议在长时间停用后，在使用前对油墨进行浴超声处理（5-10分钟）。
警示用语：
Danger
危险声明
危险分类
Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
54.5 °F - closed cup
闪点(°C)
12.5 °C - closed cup
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Is there a documented recipe available for spin coating 900960, including details on the substrates it works well with (specifically regular glass slides), any pre-processing required to promote adhesion, the quantities needed, and the spin rpm-thickness characteristics?
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