Hunyoung Cho

3 Questions 6 Answers 0 Followers

Questions related from Hunyoung Cho

Do you know how to clean mutilayer cvd graphene or MoS2? Is sonication possible in acetone?

I want to clean surfaces but i wonder i can use sonication method to clean cvd graphene and cvd MoS2 in acetone. Substrate is SiO2/Si.

09 September 2021 4,990 6 View

How to measure workfunction of insulating materials with kpfm?

To measure work function of insulating material, do i need extra layer of gold over insulator(or conducting materials)? why do i need gold layer? It is needed even when i use conducting substrate?

26 July 2021 8,308 0 View

What is the process of seeing a light emitted by atoms (or molecules)?

If the ray of light (e.g. sunlight) is going through the atom, atom will absorb specific wavelength of light. Then, we see the unabsorbed wavelength part of light. For example, if atom absorbs...

08 November 2019 789 6 View