Kanniah RajKumar

58 Questions 53 Answers 0 Followers

Questions related from Kanniah RajKumar

Why synthesis of silver oxide nano-particles papers are available more than other metal oxide using leaves/plant extract?

Dear Experts, On leaves extract mediated Silver oxide Nano particle research work are highly impacted that other metal (cation) oxides. Why especially Ag2O nano work are important than other metal...

04 April 2018 8,256 0 View

How to differentiate green synthesis and bio synthesis of nano-materials ? What was the obstacle and drawback in these methods ?

Dear Experts, I need clearance about these two methods 1. Green synthesis, 2. bio synthesis for nanomaterials. Can anyone give the difference and similarity of these method. Pleased to educate me.

04 April 2018 6,431 6 View

Can anyone send Water splitting using metal oxide Review?

Dear Experts, I need to know about present and future possibilities from Research papers and Reviews.

04 April 2018 5,694 2 View

How to upload leaves extract into nanomaterials for nanomedicine ? how to find out the inorganic metal present in leaves?

Dear Expert, I am interested to develop nanomedicine using medicinal plant extract into nanomaterials. I need clear identification about Organic and inorganic content presented in herbal. Pl....

04 April 2018 1,701 0 View

Can any one tell about natural nanoparticle ?

Dear Experts, I am interesting to known about the naturally formed nanoparticles, which can also used for other research activities.

03 March 2018 7,912 0 View

What happen to binary dyes dissolved in the solvent with Catalyst and progress to degradation under light ?

Dear Expert, If we dissolved the two type of organic dye in the solvent with metal oxides and then we progress to degradation under the light source. 1. Is it possible to photo-degradation of...

02 February 2018 8,798 4 View

Which one is everbest method to synthesis GaN Quantum dots?

Dear Experts, Give suggestions to synthesis nanosized GaN Quantum dots with good yields.

06 June 2017 5,328 2 View

My complex having good hyperfine splitting ? How can i identify it is solid or in solution studies ?

My Metal complex having capability of hyperfine splitting nature. But i need to measure that sample, How to identify that hyperfine splitting lines more good in solid or solution state. Pl....

02 February 2017 449 0 View

I have XRD data for my SnO2 materials, How to convert my raw data into CIF format or file ?

I need to change XRD raw data into CIF file for my Pure SnO2 and doped SnO2 nano-particles. which is going to use in XANES analysis ? Pleased to help me.

01 January 2017 3,733 0 View

What is the chemical content inside the coconut water ?

Whether coconut water is neutral or acidic or basic ? Can any help to me...

12 December 2016 5,439 2 View

How can we differentiate Co-N and Co-O bonds in EXAFS and XPS study?

In EXAFS and XPS-ray analysis, metal complexes surrounded with nitrogen and oxygen. In these case how can we find out that exact Metal-Nitrogen and Metal-Oxygen bonds ? Help me please...

07 July 2016 8,650 4 View

What happend in PKa value for pure imidazole and copper complex with imidazole are same?

Can any one give me, Additional information for the Pka and Pkb influences of position in the imidazole ring.

05 May 2016 6,515 0 View

Can any one explain ? Photo degradation of methylene blue/TiO2 under visible light and sun light .

Using different sources (Visible and Sunlight), for degradation process and adsorption metal on TiO2. If possible with mechanism explaination is needed. Pleased to help me through your advice.

02 February 2016 7,779 6 View

Which one is best solvent to convert into powder into thin film by CVD method ?

Suggest me for Thin film preparation, solvent used to dissolve SnO2 or ZnO nanoparticle.

12 December 2015 237 2 View

How can I predict the crystal structure from empirical factor(f) using EPR analysis?

Can any give the results of empirical factor with constant ranges for the different structures such as square planar, distorted Octahedral complex and Trigonal bipyramidal complex. what can we say...

07 July 2015 8,413 0 View

How can I confirm that our spectrum shows fluorescent or phosphorescent property ?

How to check from the results of emission or excitation spectrum for metal complexes?

07 July 2015 6,483 5 View

How do I differentiate octahedral,square planar, square pyramidal complex in EPR analysis?

From Axial spectrum, i need to differ both Oh and Sq.Planar complex with supportive values. Can any one help me with related papers.

07 July 2015 4,311 4 View

How to make smooth surface of SnO2 nanoparticle for AFM studies with low R-factor ?

I need to take AFM with good roughness, can any one suggest me with good methods.

06 June 2015 5,277 5 View

How can I differentiate LMCT band and MLCT bands in copper Complexes?

Aromatic imidazole group with perchlorate anion is present in my complex. Sometimes shoulder peak around 260nm, so how to differentiate ?

06 June 2015 2,818 2 View

How to identify coordinated and uncoordinated perchlorate in the metal complex?

Suggest me a spectrum details in FT-IR, Raman spectrum for perchlorate anion in the metal complex.

06 June 2015 9,526 4 View

Which paper is ever best photo luminescence study paper/review for metal complex ?

i am interested to know about the metal complexes towards luminescence studies and calculations in best paper or review.

05 May 2015 3,396 0 View

Which is ever best paper/review for metal complexes towards Cyclic voltmeter studies ?

i am interested to know about the metal complexes towards CV studies and calculations in best paper or review. Please provide to me.

05 May 2015 5,610 0 View

Which metal complex (Ni or Zn) shows better results in Cyclic voltmeter studies ?

Which one is best for CV studies of metal complexes with same type of Aromatic ligand environment.

05 May 2015 9,128 6 View

Can any one help me for EPR software ?

I need software for my supportive research work. Is there any one is good for metal complexes and metal doped semiconductor materials.

04 April 2015 8,869 3 View

How can I choose our materials is capable for sensing particular gas?

How can we get a knowledge about sensing nature of our own materials.

04 April 2015 2,468 4 View

How can I get a Single crystal for metal complex?

I have a series of Co(II) complexes with different ligands. I got single crystals of some complexes only. In this series, one complex shows oily liquid nature after 5 days of recrystallization...

03 March 2015 5,435 14 View

Can anyone tell me about the recombination of photo-excited Semiconductor (e- / h+) with respect to TiO2 and SnO2 ?

Photoreaction shows some electon and hole pair on excitation progress. How to calculate about recombination effect of catalysts(TiO2 / SnO2). Please help me through good review or paper.

03 March 2015 3,916 1 View

What are important aspects in "Blue shift" and "Red shift" from spectrum?

During adsorption or doping progress, Datas from Uv-Vis, Emission, Raman spectrum shows some shift (blue or Red). Can any one explain it clearly?

03 March 2015 1,344 14 View

Can anyone take lifetime measurement for nano-SnO2 particles ?

Is there any possibilities of lifetime studies for Tin oxide nanoparticles. Please suggest me with supportive evidences

12 December 2014 8,933 2 View

How can I find out the type of our materials?

Whether it is n-type or p-type metals into TiO2 material. 1.Co doped TiO2. 2. Cu doped TiO2 .How can i predict it ?

12 December 2014 3,469 0 View

What happens if intensity of a peak is increased in Raman spectra? Are we able to say anything about bandgap of material trends (approximately)?

In metal-doped semiconductor shows higher intensity than pure semiconductor.

12 December 2014 5,661 3 View

Are there any applications for Increasing the band-gap of semiconductors ?

Increment of Metal loaded in semiconductor shows increasing bandgap with various composition.

12 December 2014 3,094 7 View

Can anyone help me chemical company dealer for TRIFLUOROMETHANESULFONIMIDE.

I need to purchase within india, please provide me for purchase.

10 October 2014 1,140 0 View

In PL spectra, whats happening when decreasing intensity values with increasing of metal loading % into TiO2?

In doping process, metal increases into TiO2 on that photoluminescence spectra shows decreasing in intensity and shifting of peaks.

10 October 2014 1,917 6 View

What calculations are available for determining the Bandgap of nanoparticles?

I request help me the calculation of Bandgaps using methods other than - Kubelka munk calculation.

10 October 2014 9,943 9 View

In dye degradation by UV light, how can I explain the jablonski with Semiconductor (CB-VB) band gap diagram ?

In dye degradation photoreaction, can anybody explain more about role of jablonski diagram with band gap diagram. Ex; degradation of methyl orange with nano TiO2 by UV Light.

10 October 2014 9,124 2 View

Can any one tell me about essential concept of different parameters in UV-visible spectrometer ?

Towards band gap energy, Diffuse reflectance spectra shows different band gap identity. But I need to know about measuring mode parameters (absorption, energy and transmittance option) in...

10 October 2014 7,519 3 View

Which kind of work is challenging on Metal doped semiconductors(SC)?

In doping, Whether increment of metal percentage on SC matrix or phase control of SC or varies metal on SC or some other important.

09 September 2014 3,329 3 View

Whats up when we irradiate ZnO using UV light

Is there any possibility of photocorrsion with Zn2+.

09 September 2014 7,479 1 View

Which light shows good increment in the degradation of dye with ZnO?

Source :UV light and Visible light. Can any one explain about Band gap of Photoinduced ZnO by UV and Visible light.

09 September 2014 1,133 2 View

Is there a Hydrothermal / Wet chemical method that shows XRD phase purity?

When we prepared nanomaterials using Hydrothermal / Wet chemical methods above 200 C temperature. Are we able to get pure phase with impurity in Powder XRD studies .

09 September 2014 9,452 6 View

Are there any estimation methods to identify +1 state for Metals?

I need to identify the +1 state for Transition metals (Mn, Fe, Co, Ni, Zn) by simple methods or using UV-Visible Instrumental methods.

09 September 2014 8,079 3 View

What are the methods to calculate band gap energy ?

Is there any relation between Intensity (from PL or Raman) and band gap ?

09 September 2014 6,765 1 View

HOW TO DETECT OXYGEN VACANCY IN METAL DOPED SEMICONDUCTORS?

Metal(Co) doped SC (TiO2, ZnO), How to check the % of oxygen present in nanoparticles.

09 September 2014 5,681 0 View

Why are UV-visible spectral (RSS) peaks disordered from their uniformity trends?

In adsorption or doping by metals with semiconductors. It shows anyone trend (decreasing or increasing), sometimes it shows improper peaks while we increasing dopant. But I got good increments of...

09 September 2014 7,883 2 View

Can anyone provide me the best Nonmetal doped semiconductors ?

I request to help me for Best review or paper for nonmetal (N or Halogen) doped Metal oxides. ex: N doped TiO2 or ZnO.

09 September 2014 8,635 4 View

Is there any interesting Semiconductor studies using APCI mass spectroscopy ?

Atmospheric pressure chemical ionisation ( acpi ) Mass studies for TiO2, ZnO2, CuO. (or) metal doped semiconductors.

09 September 2014 3,506 2 View

How to identify ZnO clusters from Zn doped TiO2?

Can someone tell about ZnO identity and band gap (If clusters formed) from Zn doped TiO2.. How to identify with raman and XRD instrumentation ?

09 September 2014 5,019 6 View

How can I check the emission property?

I want to take Life time of my metal complex. From emission and excitation spectrum, How do I differentiate the Fluorescence and phosphorescence properties?

09 September 2014 6,393 8 View

How to describe Quantum Dots in metal doped nanoparticle characterization ?

I need to learn quantum dots in metal doped semiconductor nanoparticle. Can anyone provide good knowledge about QD?

09 September 2014 5,604 3 View

Can anyone tell me about distorted octahedral complex under variable temp?

Can you suggest to me the possibility (structure / reduction properties) of Jahn teller distorted complex under variable temperature in following instrumentation. 1. Raman, 2. Photo luminescence,...

09 September 2014 4,697 2 View

Is there any possible way to increase dye degradation with increasing concentration of metal doped nanoparticle?

What happens in dye degradation, increment of metal (concentration) doped nanoparticle.

09 September 2014 1,899 2 View

What are the important research in metal complex with alkylation ?

Metal complex with alkyl chain which is in increment like methyl, ethyl, propyl, butyl amine... so on. M(L)nX2 L= Alkyl ligand

09 September 2014 437 2 View

How do you predict raman spectra for inorganic metal complexes with amine groups?

How do you predict raman spectra for M(L)nXn. L= aromatic amine, X = halogens. Is there any software to identify the spectral measurements?

09 September 2014 9,955 4 View

Which one shows low melting point of complex with aliphatic or aromatic amines (see below)?

(a) [M(L)X2], M = Cu, Zn. L= ethylenediamine, X= Cl, Br. (b) [M(L)2X2], M = Cr, Cu, Zn. L=Pyridine.

09 September 2014 8,778 7 View

How does one exchange anions from Transition metal complexes?

Is there any common methods to replace anions from the metal complexes. Eg: [M(L)6]X2 into [M(L)6]X2 , L = Pyridine / Triazole Ligands. X = Boron trifluoride, perchlorate, nitrate,...

08 August 2014 4,325 12 View

How can we find the Pka value for amine ligands?

I know the Pka value for pyridine, imidazole. I need the Pka value for substituted amine ligands. Can anyone tell me how to find out?

05 May 2014 9,683 5 View

How to differentiate the steric effect of ligand and Jahn Teller effect on the Cu complex ?

Dear Expert., Educate me about the reason behind the steric effect of the ligands and Jahn teller effect on the Cu(II) complex. I am having one molecule which done by characterization (single...

01 January 1970 1,459 0 View