D and G band in carbon dots observed at 1304 and 1441 cm-1 unlike 1348 and 1581cm-1. What can be the cause of this shift?

06 July 2020 0 8K Report

D and G band in CARBON DOTS observed at 1304 and 1441 cm-1 unlike 1348 and 1581cm-1. Can someone help me in knowing the reason behind this shift. I am attaching recorded raman spectra of carbon dots for reference.

Badges
Science topic

More Manasa Perikala's questions See All

Does the B.E. of an ion (same oxidation states) are same in different compounds?

Hello, I am interested in understanding the relationship between binding energy (B.E.) and ions' oxidation state (O.S.) in XPS spectra. Per example The core-level XPS of Mn2P in MnxNy can be...

21 December 2022 1,710 2 View

How to remove trapped solvent?

I have done a polymerization using toluene as the solvent, when I dried the precipitate it changes to black and sticky. can anyone suggest me a technique or any other method to get my sample as solid?

15 February 2022 2,689 5 View

What is the use of ROX dye in qPCR ?

Do we have to use both the ROX dye and SYBR while performing qPCR analysis?

08 November 2021 4,139 3 View

A Kpop fan related research is being conducted! Would you volunteer to fill this and spread more awareness on Kpop?

Hello! Hope you are doing good. I am a post graduate student from India, who has undertaken a research as part of my curriculum. My thesis research is about K-Pop fans and how being part of a...

12 September 2021 2,485 0 View

If flywheel is placed on the non driving side of motor in the motor coupled to load system with shaft vibrations condition of vibrations on load side?

Initially the motor coupled to load with flexible coupling drive shows oscillations in shaft speed at both sides of the coupling . The flywheel at the non driving end of the motor is installed...

06 October 2020 3,190 2 View

If the charring occurs after degassing in BET analysis, what does it indicate?

I have used 300 oC as degassing temperature for BET analysis of clay nanoparticles, it got charred after degassing. Why does this occur?

06 June 2019 987 5 View

XRD peak of bare carbon dots coming at 19 degrees and surface functionalised carbon dots with hexadecylamine coming at 19 degrees and 20-22 degrees?

XRD peak of bare carbon dots coming at 19 degrees and surface functionalised carbon dots with hexadecylamine coming at 19 degrees and 20-22 degrees, can someone help me in analysing these peaks...

25 March 2019 1,265 5 View

Circular rings in HRTEM image, what does it represent?

I see circular rings in HRTEM image of carbon nano particles, Can someone tell me what does it represent?

18 March 2019 8,235 3 View

Hi, I need help regarding Thai character recognition using deep learning method.Can anyone help me out regarding this?

1.I want to know how to get Thai character numbers(0-9) dataset and train them and which deep learning algorithm is more efficient.

19 July 2018 2,399 2 View

How does the parameters m, s, a and UCS of Hoek and Brown failure criteria affect the behavior of weak rocks?

softening behavior of rock

29 November 2016 8,113 5 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Who of all of you will help TPEOM to re-originate the Earths atmosphere to it original 5 atmospheric elements/gases?

Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...

06 August 2024 8,716 0 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Question about combustion Kinetics ?

I am currently working on modeling FCC catalyst regeneration and have come across a point of uncertainty that I hope you can assist me with. In my previous models, I have utilized lumped kinetics...

30 July 2024 6,137 0 View

What are the perfect mathematical model for a solar-powered ship implementation?

A computational study of heat flux on cylindrical surfaces using CNT hybrid nanofluids

28 July 2024 4,985 1 View

How to conduct a sensitivity power analysis for Kendall's Tau?

Is there a straightforward way to conduct a sensitivity power analysis for a Kendall's Tau correlation? I was considering using the sensitivity setting and "Correlation: point biserial model" test...

28 July 2024 6,133 8 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What is the principle/mechanism behind aging of carbon (graphite) containing refractory mix for isostatically pressed refractories?

The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.

23 July 2024 3,205 0 View