11 Questions 13 Answers 0 Followers
Questions related from F. Febiyanto
Dear colleagues, In the lab, I tried to synthesize photocatalyst using PEG-1000 as directing or controlling agent in crystal formation. Based on the results, SEM using secondary and...
02 August 2020 6,609 5 View
Dear colleagues, I have analyzed the crystallinity of photocatalyst material (without calcination treatment and calcined samples) using XRD in two place XRD analysis services in my campus. When I...
27 June 2020 666 13 View
Dear colleagues, I had synthesized silver-phosphate based photocatalyst material with the addition of PEG (various PEG concentration and chain length). When I analyzed using Diffuse Reflectance...
18 March 2020 9,515 3 View
Dear colleagues, Since band gap energy is related to material size, somehow, the quantum phenomenon could be found in the range of Bohr atomic radius for semicondutor based materials. Did you...
01 January 1970 2,288 2 View
Since the small particle has low band gap energy and thus shift the absorption profile to the lower wavelength, somehow, a higher particle size behaves contrarily. Is there any formula to...
01 January 1970 7,534 7 View
Dear colleagues, Software like biorender (link below) is useful to support researcher in illustrating their researches. However, maybe it is merely difficult to find an appropriate software...
01 January 1970 8,362 3 View
Dear colleagues pH setting such as for testing the stability of photocatalyst (or other materials) is one of the important thing. Generally, this condition can be adjusted by pouring or dropping...
01 January 1970 6,876 3 View
Dear colleagues, When I read paper, the crystallite size can be calcukated by taking the XRD data with the highest intensity profile. Btw, in our research using Ag3PO4 photocatalyst, it observed...
01 January 1970 8,397 4 View
Dear colleagues, To date, I have researched photocatalyst based materials, this was done under the UV or visible light irradiation. When I used a commercial lamp (they have red or blue-appeared...
01 January 1970 339 3 View
Dear colleagues, I am doing a research using visible light as simulated light on the photocatalysis reaction. Then, I want to convert a Watt (W) of lamp to the light intensity (flux)....
01 January 1970 7,895 1 View
dear colleagues, I want to set the methylene blue dye condition under the addition of NaOH and HCl so the acid, neutral and base condition have resulted. However, sometimes, it has distrubed me to...
01 January 1970 5,452 4 View
