MAJID DARROUDI replied to Mehedi Hassan's discussion Meatl Oxide Semiconductor as a Gas sensor
"You can prepare the plate-shape nano metal oxides by hydrothermal and solvothermal methods using a suitable control sizer or capping agents."
Aug 21
MAJID DARROUDI replied to navaneethan.D's discussion Synthesis metaloxide nano rod
"Hi, Would you please send me references about using laser ablation method in preparation of nano metal oxides in rod shape?
Thank you"
Aug 21
MAJID DARROUDI commented on LaVerne L Poussaint's blog post NANOTOOLKIT: WORKING SAFELY WITH ENGINEERED NANOMATERIALS IN ACADEMIC RESEARCH SETTINGS
"Many thanks"
Aug 21
MAJID DARROUDI replied to Mehedi Hassan's discussion Meatl Oxide Semiconductor as a Gas sensor
"Hi,

I think you can improve this ability in some metal oxides with change in their crystalline structure. i.e. plate-shaped matal oxide semicondutors have better selectivity toward the gases as a sensor.

Majid"
Aug 21
MAJID DARROUDI replied to navaneethan.D's discussion Synthesis metaloxide nano rod
"Hi, I think Hydrothermal and Solvothermal methods are good suggestions in preparation of several nano metal oxides."
Aug 21
MAJID DARROUDI commented on Dr. Stephan Barcikowski's photo
"Dear Stephan,

This difference between colours of Au, Ag, Cu, and Ti solutions is only depend to their size or nature of metals?
because some times one metal nanoparticles e.g. Au show different colour at different size.

Thank you,"
Aug 21
MAJID DARROUDI commented on Dr. Stephan Barcikowski's photo
"Dear Stephan,

Thank you for your nice answer

Majid"
Aug 21
MAJID DARROUDI left a comment for Hatem M Altass
"Dear Hatam,

My research is preparation of silver nanoparticles that is similar to gold nanoparticles.
I prepared silver nanoparticle in solid substrate as a silver nanocomposite by irradiaion method.

Thank you

Majid"
Aug 21
MAJID DARROUDI replied to Divya's discussion synthesis ofsilver nanoparticle by seaweed
"Hi Divya,

can you say about:

1. The size distribution of your silver nanoparticles?
2. What is functional group as a reducing agent in seaweed for preparation of silver nanoparticles?
3. How long is your reaction time?

Thank you

Majid."
Aug 21
MAJID DARROUDI left a comment for Zahra Sadeghian
"Dear Dr. Sadeghian

Salam,

I want know about nanotechnology projects in your institute.


Thank you"
Aug 21