Jiawen Fang

12 Questions 6 Answers 0 Followers

Questions related from Jiawen Fang

The relationship on pH effect on triplet quenching?

I am working on organic photophysics. I am quite confused on the relationship between solvent pH and triplet quenching. Is there any book or paper recomended?

12 December 2018 8,145 0 View

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.

02 February 2018 1,582 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?

09 September 2016 3,208 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...

08 August 2016 9,460 0 View

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

I have synthesized zinc sulfide (ZnS) with scale around 80 nm. The solution is white,but, interestingly, exhibits blue especially in the irradiation. When the solution gets dried, the remaining is...

06 June 2016 7,847 4 View

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

I have synthesized graphitic cabon nitride according to literature. However,I am rather confused with the FTIR spectra of the as-prepared carbon nitride. It displayed gradually shifting to higher...

07 July 2015 9,756 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?

03 March 2015 3,724 4 View

What is the difference between nitrogen rich and nitrogen doped?

I am synthesizing carbon nitride. There is someone who has synthesized the nitrogen rich carbon nitride, however, no one claimed to have synthesized nitrogen doped carbon nitride. What is the...

12 December 2014 3,911 3 View

How to make sample for photoluminescence analysis?

My test sample is powder. How to make the powder sample suitable for low temperature photoluminescence analysis?

12 December 2014 3,334 1 View

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

See above. Thank you.

09 September 2014 9,470 3 View

Any way to keep pure magnesium from being oxidized in high temperature?

Our heating furnace is not a vacuum furnace. Any way to keep pure magnesium from being oxidized in high temperature (600 degree)? Any idea except buying a vacuum furnace?

08 August 2014 7,763 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.

08 August 2014 576 1 View