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Questions related to Thin Films and Nanotechnology
I am working on a ZnO and polymer based LED. I need to fill the gap between ZnO nanorods by spin coating with polystyrene to make them isolated. I made polystyrene solution and spin coated at...
07 July 2017 671 1 View
I need the free carrier density to be at least 1019 cm-3
07 July 2017 3,032 4 View
Does optoelectronic behaviour of pure ZnO oxide are tunable ?
07 July 2017 7,559 4 View
Dear all, I have got abrupt drop in transmission and reflectivity in VO2(vanadium oxide) with 800 nm pump-probe method . However, when I change the sample to the silicon P type wafer, there is no...
07 July 2017 9,588 0 View
Can anyone suggest me what is the simple way to remove spincoated CdSe/ZnS and toluene film from the quartz. Is acetone enough for this?
07 July 2017 2,556 3 View
I will have to record the IR spectra of the film in total reflection mode which will not be possible while the film i on a glass substrate
07 July 2017 5,809 1 View
Does the epitaxy of Ag grown on Si surface have any effect on the surface enhanced raman scattering (using R6G)?
07 July 2017 8,872 3 View
I have prepared ZnO nanorod powder and I have to do Current density-Voltage (J-V) measurement. Can anyone suggest me how sample preparation is done from ZnO nanorod powder
07 July 2017 1,174 4 View
I've been trying to get good samples from exfoliating graphite onto 300nm SiO2. My samples keep turning out very needle-like and streaky. The larger flakes are a good shape and size, but the...
07 July 2017 4,921 1 View
I have some particles that are about 300 micrometers tall in a PDMS mold. I'd like to collect these particles from the mold. I've tried using tape, and although it works, removing the particles...
07 July 2017 5,800 1 View
Dear colleagues, do you have an idea how to clean ZnSe ATR crystal from deposited silver nanoparticles?
07 July 2017 5,748 5 View
In most literature, I have read on Bi4Ti3O12 thin films, the presented XRD is commonly have very intense (117) orientated peaks. I understand that if I film have no matching lattice dimensions...
06 July 2017 4,829 1 View
sample are thin film coating on aluminum substrate. can we use vectoer network analyzer for that.
06 July 2017 5,330 2 View
I am working with PEDOT:PSS thin films that I routinely produce by spin coating on play microscope slides. For various measurements I would need to have films of different...
05 July 2017 5,391 8 View
how to prepare GO thin film from the GO powder? what is the best base material on which i can coat GO for gas phase sensing application?
05 July 2017 7,154 3 View
If %T and %R spectra doesn't have interference fringes.
26 June 2017 391 7 View
while membrane fabrication, I have to consider the width (not thickness) very narrow which results in shrink to some extent ... does that affect the pore structure inside the membrane ??
25 June 2017 4,491 6 View
I want to measure magnetic properties of HfO2 thin films deposited on Silicon wafer. I want to measure its magnetic properties, but I have no idea about its measurement.
21 June 2017 1,928 2 View
I have deposited a thin film on conductive ITO substrate. Now i wish to find out the conductivity of deposited thin film such that conductivity of ITO does not affect the measurement...
20 June 2017 6,716 3 View
I am searching some tries related to it. But most of the search results are about a synthesis of the carbon materials itself via chemical vapor deposition (CVD).The term 'CVD' contains 'vapor' so...
20 June 2017 3,561 2 View
For illumination of green light on the sample through 1 layer of approximate 1cm thick quartz surafce, what should be the power of laser source?
20 June 2017 7,408 2 View
In the case of AL2O3/GaN stack a serious frequency dispersion is observed (Fig1) whereas this problem is negligible in the Al2O3/Si case (Fig.2). Moreover, the increase of the capacitance area...
19 June 2017 4,279 3 View
Dear fellow researchers, Does anyone have any information or experience regarding resistance of cross-linked PDMS substrate (10-20 microns) to diluted (5-10%) sulphuric, oxalic or phosphoric acid?
19 June 2017 3,325 1 View
Now I'm preparing several TiO2 films for photoelectrochemical CO2 reduction. I want to fix the amount of TiO2 what I want at each film for comparing photoelectrochemical acitivty of TiO2 films.
14 June 2017 9,486 2 View