24 Questions 5 Answers 0 Followers
Questions related from Hyowon Jang
What is suitable as an antisolvent for acetonitrile solvent?
26 July 2023 7,006 2 View
I want to experiment Zn-doped-CuI by dissolving each powder (ZnI2, CuI) in acetonitrile with different at% (0.5,10,15) so, how can I find this quantity of dopant material. concentraion of basic...
21 July 2023 7,662 0 View
What solvents is SnI4 soluble in? Is SnI4 soluble in acetonitrile?
03 July 2023 5,606 3 View
Hello, I'd like to use UV to modify the surface with HMDS applied, but I have a few questions. 1. I'd like to know the surface modification wavelength band that HMDS responds to (I heard it's...
24 June 2023 7,602 0 View
It was confirmed that the uniformity of the thin film increases when the solution precursor is aged and deposited. By the way, what happens if the precursor is over-aged?
19 June 2023 8,404 1 View
We are going to conduct an experiment to compare the aging effect by manufacturing TFT after precursor aging. After 0 day, 1 day, 2 day, aging, I want to make a device and compare the...
14 June 2023 6,244 0 View
Hello, I'm a student currently studying patterning. I would like to pattern using HMDS only without PR. After reading the previous papers, if you expose it to 172nm strength, HMDS is patterned,...
07 June 2023 4,744 0 View
I want to proceed with Ar Plasma treatment using ACP etcher for the element, what should I do in this case?
31 May 2023 5,061 0 View
I would like to do Ar plasma treatment to the TFT device where Al2O3 is passivated. Now, we have a sputter in our lab that we use to deposit electrodes, and I want to use it to do only Ar plasma...
28 May 2023 6,433 1 View
I would like to conduct experiments with Ar plasma treatment using RIE equipment instead of Ar plasma cleaner . What is the typical equipment pressure and power for Ar plasma cleaner
01 January 1970 3,851 0 View
Does aging increase the particle size of the precursor, and by what mechanism? Does the increase in grain size of the precursor eliminate pinholes during film formation, and if so, why?
01 January 1970 8,907 2 View
I heard that the electronic structure of the precursor is changed and the valence state difference occurs due to metal ion doping, so I wonder how this improves structural stability.
01 January 1970 5,719 1 View
I want to proceed with treatment only by adding Arplasma, not for etching with RIE, but I am not sure about RIE equipment. I'd like to ask for advice on how to apply time and power during etching...
01 January 1970 5,690 0 View
Please tell me about various ways to do Ar Plasma treatment on top of the manufactured TFT We are planning to use equipment such as sputter, ACP etcher, and RIE.
01 January 1970 9,812 0 View
Hello, I'm a student currently studying patterning. I would like to pattern using HMDS only without PR. After reading the previous papers, if you expose it to 172nm strength, HMDS is patterned, so...
01 January 1970 3,069 0 View
hello, I would like to conduct a doping experiment. How does this work? 1. mix two powders in one solvent 2. making two precursors and mixing them together And how do I calculate the doping...
01 January 1970 4,118 1 View
01 January 1970 1,919 2 View
I have a question while studying the solution process. The semiconductor channel layer was deposited using a precursor that was aging as a solution process method. The on current increased and...
01 January 1970 9,842 4 View
I want to fabricate TFTs by solution process, what are the engineering methods besides doping?
01 January 1970 5,201 0 View
Why does SnI4 have bad solubility in acetonitrile? Is SnI4 more soluble in acetonitrile or DMF?
01 January 1970 6,657 1 View
I have a question while studying P-channel Tft. When a treatment is applied to improve the performance of the device, if the mobility increases, the ion/off ratio increases, and the SS is...
01 January 1970 1,037 0 View
1. what is negative bleaching signal? 2. There was a solution in which negative bleaching signals were observed in the TA spectrum. This solution was doped, but the negative bleaching signal...
01 January 1970 8,744 0 View
When using excimer lamp for surface modification, is it necessary to proceed in N2 atmosphere?
01 January 1970 198 1 View
Is the strength of the wavelength important for surface modification with HMDS? At what intensity wavelength band does HMDS surface modification usually take place?
01 January 1970 5,764 0 View
