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BARC


Mandate

The mandate of the division is to carry out excellent and relevant research in the area of radiation and photochemistry to obtain fundamental understanding of a chemical system, and to develop technologies for DAE and societal applications. The divisional scientists are pursuing research in the areas of Radiation Chemistry, Molecular Photochemistry and Spectroscopy, Chemical Kinetics and Dynamics in gas, liquid and interfaces, Separation Science, Nano Materials, Sensors, Radioprotectors and other related areas.


Facilities

19-10-2020

• Excitation and probe wavelength: 3-8 nanometre
\r\n• Time resolution: 150 fs


(19-10-2020) UV-Vis spectrophotometer


• Wavelength range: 200-900 nm



19-10-2020

• Excitation Wavelength: 260 nm, 390 nm, 780 nm, 555 nm-700 nm
\r\n• Probe Wavelength: 340 nm-760 nm and 850 nm-1100 nm
\r\n• Time resolution: 150 fs


19-10-2020

(a) Range: 0.1-2.6THz
\r\n(b) Range: 0.1-3THz


19-10-2020

• Vacuum level: 10-6-10-7 mbar.
\r\n• Diffusion pump based vacuum operation.
\r\n• Metal and organic material can be deposited.
\r\n• Maximum temperature: 400 Degree Celsius.


19-10-2020

Thermo gravimetric analysis/ Differential Scanning Calorimeter (TGA/DSC), Mettler Toledo STARe thermal analysis system.


19-10-2020

• Lamp: 150 W Xe-lamp; Xe-Hg lamp
\r\n• Mixing mode: Double mixing mode
\r\n• Dead time: 2.3 ms
\r\n• Detector: PMT


(19-10-2020) Steady-state & Time-resolved Fluorescence Spectrophotometer


Edinburg FS-5



(19-10-2020) Solar Simulator and IPCE Measurement Set-up


• 100 mW/cm2 (solar simulator)
• 300-800nm (IPCE)



19-10-2020

• Fluorescence lifetime and intensity imaging based on confocal epi-fluorescence microscopy
\r\n• Fluorescence correlation spectroscopy from sub-nanosecond to seconds for single molecule photophycics&kinetics


19-10-2020

Anton Paar Physica MCR101 Rheometer (with temperature controller)


19-10-2020

• Centrifugal rotary design
\r\n• 96 samples per run using a Rotor-Disc
\r\n• High Resolution melt curve Analysis
\r\n• Two channels spanning UV to infra-red wave length
\r\n• Rotor-Gene Q software


19-10-2020

• Lasers: 420-750 nm (dye laser, tunable), 532 nm, 660 nm
\r\n• Resolution: 1 cm-1.


19-10-2020

Electron Pulse Width: 10ps
\r\nElectron pulse rep. rate: 10Hz
\r\nBunch charge: 2nC
\r\nBeam energy: 7MeV


(19-10-2020) Picosecond & nanosecond laser flash photolysis setup


Ekspla/Helios/Edinburgh



19-10-2020

Model VASCO-3, CORDOUAN TECHNOLOGIES, (for measurement of particle size in the range nano to micro-meter)


19-10-2020

• Electron energy: 7MeV
\r\n• Pulse width:
\r\n• 25ns (900 mA)
\r\n• 50ns (400 mA)
\r\n• 500ns (90 mA)
\r\n• 2µs (70 mA)
\r\n• Pulse repitation rate:
\r\n• 12.5pps


19-10-2020

• Excitation Wavelength: 355 nm, 532 nm, 1064 nm
\r\n• Probe Wavelength: 300-800 nm
\r\n• Time resolution: 7 ns


19-10-2020

• Compatible for 6- to 384-well plates
\r\n• Multi-mode detection for absorbance, fluorescence, anisotropy and luminescence measurements.
\r\n• Experiment - endpoints, kinetic, spectral scans and well-area scanning


19-10-2020

(a) Procured from (STR-300, SEKI Technotron, Japan) with specifications:
\r\n(i) Laser wavelength: 532 nm
\r\n(ii) Laser output power: 50 mW
\r\n(iii) Image magnification: 10X, 20X, 50X, 100X
\r\n(iv) Spectral resolution ~ 1.5cm-1
\r\n(v) Spatial resolution~0.5micron (with 100X lens)
\r\n(vi) Peltier cooled CCD detector
\r\n
\r\n(b) HORIBA, LAB RAM HR with specifications:
\r\n(i) Laser wavelength: 514, 632, 785 nm
\r\n(ii) Image magnification: 10X, 50X, 100X
\r\n(iii) Spectral resolution ~ 1 cm-1
\r\n(iv) Peltier cooled CCD detector


(19-10-2020) Laser Photolysis-Laser Induced Fluorescenece


• Photolysis:193, 248 & 266 nm
• Probe:220-720 nm
• Resolution: 2 cm-1
• Sensitivity: ppb-ppt level



19-10-2020

Spatial resolution: mm level


(19-10-2020) Isothermal Titration Calorimetry


MICROCAL iTC200



19-10-2020

• Min Temp. RT
\r\n• Max Temp. 400oC
\r\n• Min Press. Atm
\r\n• Max Temp. 40MPa


19-10-2020

• Column: C18 & C8
\r\n• Flow rate : 0.05-10 ml/min
\r\n• Operating Pressure: upto 5000 PSI
\r\n• Detector : UV-vis (200-750 nm)


19-10-2020

• IR: 2200-3700 cm-1
\r\n• Resolution:18 cm-1
\r\n• Inherently intereface-selective and phase-sensitive


(19-10-2020) Gas Chromatograph (GC)


(a) GC : Detector: TCD, FID, Packed column facility
(b) GC-MS: Max. Mass=1000 amu
Resolution: 1 amu,
Electron Impact & Chemical Ionization, Quadrupole mass analyzer, Electron Multiplier Detector, Capillary column facility



(19-10-2020) Femtosecond Transient Absorption Spectrometer


• Wavelength: 400-800 nm
• FWHM: 40fs
• Rep-rate: 1KHz
• Power: 200mW



(19-10-2020) Circular Dichroism


Biologic spectrometer (MOS-500)



19-10-2020

• Wavelength range: 450-5000 cm-1
\r\n• Resolution:0.1 cm-1
\r\nDiamond single reflectance ATR FT-IR spectrometer (Affinity-1)


19-10-2020

• Time resolution: 150 fs
\r\n• Excitation Wavelength: 400 nm, 800 nm
\r\n• Excitation Probe Wavelength range: 1000 – 3500 cm-1


19-10-2020

• Excitation: 266-700nm
\r\n• Probe: 300-750nm
\r\n• Time resolution: 150 fs
\r\n• Sample: Liquid, solid


19-10-2020

• 2 A/10 V output
\r\n• 1 microHz to 1 MHz frequency bandwidth
\r\n• FRA


19-10-2020

• VIS: 532 nm
\r\n• IR: 1000-4300 cm-1
\r\n• Spectral Resolution: 2-6 cm-1


19-10-2020

• Carbon dioxide Incubator
\r\n• Clean room
\r\n• Clean air work station
\r\n• Fluorescence microscope
\r\n• Centrifuge machine


19-10-2020

• 290 Degree Celsius
\r\n• 125 bar
\r\n• online electrochemical measurement


19-10-2020

• Contact
\r\n• Non-contact
\r\n• Conductive
\r\n• Magnetic
\r\n• STM mode


19-10-2020

• Air, Acetylene / N2O, Acetylene
\r\n• Background correction with D2 Lamp



Technologies Developed

(02-03-2021) Bio-available curcumin formulations for pharmaceutical and neutraceutical application


The technology was transferred to M/s. Akay Flavours & Aromatics Pvt. Ltd on 11th December 2017. The group of scientists involved in the development of the technology comprises Dr. B.G. Singh, Mr. R.P. Das, Dr. A. Kunwar and Dr. P.A. Hassan from Radiation & Photochemistry division of BARC.



(02-03-2021) Production of turmeric based neutraceutical- Turbovita


The technology was transferred to M/s Veena Industries, Nagpur on 28th july 2016 and M/s. Icecube cold storage and food process Ahmednagar on 10th April 2019. The group of scientists involved in the development of the technology comprises Dr. A. Barik, Dr. B.G. Singh, Dr. A. Kunwar and Dr. S. Adhikari from Radiation & Photochemistry division of BARC.




Show Cases

BARC

Tapping the potential of Ionizing radiations for nanomaterials synthesis

BARC

Radiation chemical studies of Deep Eutectic Solvents

BARC

Pulse Radiolysis of a Pyrrolidinium based Ionic Liquids

BARC

An indigenously developed nonlinear laser spectrometer that selectively captures the vibration of surface molecule and its absolute orientation, even at a liquid surface.

BARC

Extractant/Sorbent-encapsulated Polymeric Beads for Extraction Of Metals / Radionuclides

BARC

Recovery of gallium from Bayer's liquor

12-Mar-2021