Boon-Hong Wee

14 Questions 43 Answers 0 Followers

Questions related from Boon-Hong Wee

How can I prepare PVA gel electrolyte containing potassium sulphate?

PVA forms precipitate in potassium sulphate solution. Is there a way to prepare a homogenous gel solution? Thanks.

08 August 2014 266 7 View

Can source-measure units (SMU) be used as stand-alone constant voltage or constant currents sources and as stand alone voltmeters or ammeters?

In I-V characterization tests, different SMU configurations can be used. Could anyone explain the difference between "Ohmmeter configuration" and "Power Supply Configuration"? In the "Power...

07 July 2014 8,707 2 View

For those who had attended the following conferences, could you kindly send me the full schedule for the poster presentation? Thanks in advance.

The schedule should include the name of the poster, title of the poster, and date of the poster presentation. Gordon Research Conferences: 1) Nanostructures in Information Technology, Energy...

07 July 2014 8,817 0 View

Could anyone kindly send me the following article? Thanks in advance.

Plasmonic Schottky Nanojunctions for Tailoring the Photogeneration Profile in Thin Film Solar Cells. Advanced Optical Materials Volume 2, Issue 5, pages 493–500, May...

07 July 2014 7,137 1 View

Could anyone help me to download the following article from sciencedirect. Thanks in advance.

http://www.sciencedirect.com/science/article/pii/B978012342335150004X

06 June 2014 1,280 0 View

What's the ideal resolution (dpi) of 3D chemical structure images for a 6" x 12" print?

I drew the chemical structure using ChemBio3D and converted the images to png format (600 dpi). Then, the images were enlarged to 6" x 12". Thanks in advance.

06 June 2014 5,820 3 View

Could someone provide the UV/Vis absorption spectrum of Vanadyl phosphate (JCPDS card No.84-0111)?

Vanadyl phosphate was synthesized based on the method described in Chem. Mater. 14, 3882–3888 (2002). A stable dispersion was obtained and characterized using UV/Vis spectrometer. I tried to...

02 February 2014 6,784 9 View

What is the difference between e-beam evaporation and thermal evaporation?

I would like to coat thin layer of gold (70nm) and titanium (5nm) onto a plastic substrate to be used as drain/source for measuring photocurrent. Given these two metal evaporation techniques,...

01 January 2014 2,383 48 View

Suggestions for book(s) on plasmonic nanoparticles?

I have two books on plasmonic nanoparticles: a) Nanoparticles: Building Blocks for Nanotechnology (Springer) b) The Supramolecular Chemistry of Organic–Inorganic Hybrid Materials (Wiley) Could...

12 December 2013 1,934 5 View

What kind of probe station is suitable for measuring photoconductivity?

A light sensitive thin film was coated onto a PET substrate. In order to measure its photoconductivity, what kind of probe station (type of probe tip) is suitable? I have two different probe tips...

12 December 2013 5,569 10 View

What kind of probe station is suitable for measuring photoconductivity?

A light sensitive thin film was coated onto a PET substrate. In order to measure its photoconductivity, what kind of probe station (type of probe tip) is suitable? I have two different probe tips...

12 December 2013 3,005 3 View

What is the difference (in terms of electrical conductivity) between carbon fabric and carbon substrate?

I attached the supporting infomation detailing the fabrication of flexible supercapacitor using flexible carbon substrate. What is the difference between carbon fabric and carbon substrate in...

10 October 2013 2,711 1 View

How to calculate capacitance of a psuedocapacitor from galvanostatic discharge curve?

To the best of my knowledge, the capacitance of a pseudocapacitor (polyaniline, transition metal oxide, etc.) can be calculated from galvanostatic discharge curve using the following...

05 May 2013 4,433 0 View

Could anyone explain how graphene oxide, which is negatively-charged, can become positively-charged when nickel nitrate is added to the GO solution?

Figure2c (view the paper attached) shows zeta-potential of GO/Ni(NO3)2. Clearly, the dispersion is positively-charged and negatively-charged in acidic and basic medium, respectively. To the best...

04 April 2013 6,238 24 View