Dopants for ZnO which results redshift?

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Can anyone provide me with the recent (After 2003) ICDD PDF Numbers of Zinc Oxide(ZnO)?

I wanted to know recent additions of ICDD (JCPDS) files of Zinc oxide. I have ICDD files which were addded before 2003. If anyone knows the recent ICDD files or atleast PDF numbers it will be most...

06 July 2015 7,741 3 View

How to avoid powder formation during thin film deposition by Spray Pyrolysis?

I am depositing pure metal oxide thin films by spray pyrolysis. I am getting good quality films. Whenever I am trying with the doped metal oxides deposition with the same optimized...

03 April 2015 5,944 24 View

Why does the Keithley 6220 current source is slow and the "Error Message ID code 402. Interlock blocked" appear?

Dear allI have a problem with my Keithley 6220 current source. The problem is front panel is very slow: when I press a key (any of them), it takes 5-10 seconds before any change on the display,...

08 September 2014 1,654 2 View

What are the reasons for inconsistency in resistivity and Hall Effect measurements of ZnO thin films by Van der Pauw Method?

I am trying for electrical resistivity and Hall Effect measurements of Physical Vapour deposited ZnO thin films (of about 300 nm) by Van der Pauw Method with 1500 Gauss of magnetic field,...

08 September 2013 8,912 11 View

What are the reasons for inconsistency in resistivity and Hall Effect measurements of ZnO thin films by Van der Pauw Method?

I am trying for electrical resistivity and Hall Effect measurements of Physical Vapour deposited ZnO thin films (of about 300 nm) by Van der Pauw Method with 1500 Gauss of magnetic field, Keithley...

08 September 2013 9,831 3 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

Is there a good freeware software for photodocumentation of TLC?

I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?

31 July 2024 8,415 1 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

I have synthesized a composite of ZnO and In2O3 with variations in ZnO content. In Raman , what is the peak observed at 130 cm-1?

Dear all, I have noticed, as the ZnO content increases, the Raman intensity at 100cm-1 also increases. However, there is a peak nearby at 130 cm-1, which I could not find in any paper related to...

28 July 2024 5,410 1 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View