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I have some PNIPAM (Poly(N-isopropylacrylamide)) aqueous solution in which PNIPAM are crosslinked to form spherical microspheres. I want to know the concentration of these microspheres in...
09 September 2016 4,942 7 View
How to functionalize silver nanoparticles with thiolated PEG? I found a couple of papers doing this, but when I mix the Ag nanoparticles with thiolated PEG, the silver particles seem to be...
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I am trying to do some electrochemical measurement of silver nanoparticles on ITO/glass substrate and noticed that the silver nanoparticles easily dissolve in solution and change morphology from...
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I am doing some photochemical reaction on the electrode and monitor the current produced in this process by chronoamperometry. The potential I set in the working electrode is its potential...
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I noticed that most literature doing photothermal therapy were using a laser power intensity of 10W/cm2 to 20W/cm2 and they reported a dramatic temperature increase as high as to 40oC which is...
01 January 2016 5,395 5 View
I have some nanoparticles around 100 nm and I want to disperse them in ITO substrate evenly for plasmonic solar cell fabrication. I previously tried spin coating, but since my nanoparticles are...
04 April 2014 3,073 2 View
I checked it online and the result I got is 1nm ~1micrometer. But does anyone know how reliable if I get result ranging 1~5 nm for nanoparticle samples? Thanks!
02 February 2014 5,499 16 View
I am measuring the thickness and reflective index of PEG film on Si wafer. I noticed that the reflective index the ellipsometry gave me (1.58) is much higher than what I expected (1.47). I was...
10 October 2013 9,798 1 View
I have a mixture of two types of nanoparticles, one is a cubic with an edge length of 20 nm, the other is a bipyramid 80nm *20 nm. Both of them are very monodispersed both in size and shape. They...
08 August 2013 4,099 26 View
I have a nanomaterial that contains gold, silver and chloride and I want to do EDS to quantify their relative content. I need something to determine the k factor between these three elements. I'm...
08 August 2013 2,442 4 View