How to get the band gap of water-soluble carbon dots?

How to get the exact band gap of water-soluble carbon dots? The light absorption is concentration dependent.

01 February 2018 1,536 3 View

What's the electrical potential of Silver chloride electrode in O2 satuarted 1M KOH?

How to calculate it? Whether the O2 satuarted matters?

08 September 2016 3,173 1 View

Why is the conductivity of carbon nitride so poor, while graphene possesses extraordinary conductivity?

Carbon nitride has been regarded as the nitrogen doping of graphene. However, the nitrogen-doped graphene, in fact, has extraordinary conductivity. On the contrary, carbon nitride's...

07 August 2016 9,424 0 View

What application can zinc sulfide(ZnS) with blue emission be applied to?

05 June 2016 7,781 4 View

How might I analyze the FTIR spectrum of graphitic carbon nitride over 3000 -3500 cm-1 ?

06 July 2015 9,722 3 View

In a heteroatom doped semiconductor system, what decides the position of valence band maximum of semiconductor?

What relates to the valence band maximum for heteroatom semiconductors?

02 March 2015 3,690 4 View

How to make sample for photoluminescence analysis?

11 December 2014 3,301 1 View

What is the difference between nitrogen rich and nitrogen doped?

11 December 2014 3,876 3 View

How do I determine if crystal grows and the specific direction from TEM images?

See above. Thank you.

08 September 2014 9,433 3 View

What effect would it bring up by adding highly polarized organic compounds into solution?

The solution could be ordinary reaction solution such as zinc acetate solution. I just want to know how to analyze in molecule scale.

07 August 2014 534 1 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View