Baichhabi Raj Yakami

6 Questions 11 Answers 0 Followers

Questions related from Baichhabi Raj Yakami

Is there a way to know the electron transfer in QDs or dye/NPs using fs Transient abs without using reference materials?

Most widely used method to determine electron transfer is to sensitize the reference materials (such as Al2O3, ZrO2, SiO2 etc) with qds or dye .The assumption here is that there is no electron...

20 December 2016 1,347 0 View

Where can we buy commercial water soluble CdSe QDs with MPA ligand ?

I found one in Oceannanotech and they just have one size of QDs with MPA ligand. Please let us know if there is any other place to look for.

19 February 2016 1,694 3 View

Does anyone know about Excitation Intensity dependent Time Resolved Photoluminescence decay?

In case of luminescence in semiconductor is originating from Donor to acceptor pair recombination, what will happen to luminescence decay time if we increase the excitation intensity? Should the...

18 December 2015 7,562 0 View

How do we evaluate Transient Absorption system ?

We have setup the femtosecond Transient absorption system for nanowires or solution samples. Depending on the sample the pump may be 310 nm, 387 nm or 425 nm and similarly probe is be broadband...

25 November 2014 4,348 8 View

What is the Laguerre Polynomial based deconvolution method ?

Several Questions: I am measuring Time resolved Photoluminescence(TRPL) decay of nanowires using TCSPC system. The 4 exponential function( including deconvolution of IRF) fits the data better than...

17 November 2014 8,993 4 View

Does anyone have experience with TCSPC background counts?

Instruments: 1. SPC 130 board 2. Hamamatsu MCP PMT R3809-U50 on enclosed by metal box, voltage: 3K 3. Horiba Delta Diode 405 nm 4. monochromator Q1. I have powered up the delta diode, but did not...

29 September 2014 5,983 5 View