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Questions related from Soo Yew Hang
Should I add in 3A molecular sieves into the SnO2 solution with isopropanol added? I am planning to use it on top of perovskite (MAPbI3) layer but the water comes with the SnO2 solution can damage...
27 April 2021 3,866 5 View
Has anyone observed the changes of colour of MAI in IPA to slightly green-ish after storing some time? I might have to prepare fresh solution again if this is abnormal. Could anyone verified the...
19 April 2020 7,649 1 View
I have 4 crocodile clip wires, if I'm not mistaken 2 wires (red) connect to anode and the other 2 black wires connect to cathode. Both pairs of wires are plugged at the back of the SMU. Problem...
17 January 2020 3,082 2 View
We only have 1 Newport Xenon Lamp for PCE measurement. Is halogen lamp a suitable substitute for the Newport Lamp? We don't have the money to purchase another one solely for stability testing. If...
08 November 2019 5,399 6 View
Hi, i would like to know will the humidity (40-60%) of the room be detrimental to the MAI powder when weighting on the analytical balance? is the moisture sensitivity reduced when MAI is quickly...
26 June 2019 5,767 4 View
Since HAuCl4.3H2O (gold precusor) is very expensive, it is best to utilized it as much as possible. I have a glass vial that contains such gold precursor. Some of it are spread onto the inner...
29 May 2019 9,981 3 View
I have sputtered a layer of Ti on FTO and was hoping to perform anodization on the sample to obtain TiO2 nanotube. However, when semi-transparency is achieved, the TiO2 nanotube peeled along with...
17 March 2019 3,771 4 View
