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Dr. Ankur K Guha

Dr. Ankur K Guha

Assistant Professor

Ph.D. : Tezpur University

Research Interests:

Computational Chemistry, Structure and Bonding, Reaction Mechanism, Small molecule activation, Computational Spectroscopy
Joined the University in Feb 20, 2015

Phone: 8473816419
Email: ankur.guha@cottonuniversity.ac.in

Vidwan Profile
About Research Projects Research Paper Publications Students Awards

About

Ankur Kanti Guha did his B.Sc. from B. N. College, Dhubri and M.Sc. in Chemistry from Gauhati University. He did his Ph. D. from Tezpur University under the supervision of Prof. Ashwini K. Phukan. He joined the erstwhile Cotton College State University as Assistant Professor in Chemistry in March, 2015.

Research Projects

Name of the faculty

Title of the Project

PI or Co PI

Period

Sanctioned Amount

Funding Agency

Ankur Kanti Guha

 

Transition Metal and Metal-Free Activation of Small un-reactive Molecules: A Theoretical Study

 

2017-2020

Rs. 28,85,000

Science and Engineering Research Board, INDIA

Research Projects

slno Name of the Project Name of the Principal Investigator Name of the Copi Name of the Funding agency Type (Government/Non-Government) Year Funds sanctioned (INR in lakhs) Duration of the project
1 Theoretical studies on metal free activation of small unreactive molecules Dr. Ankur Kanti Guha SERB Government 2017 28.85 3 years

Research paper publications

2023

1. S Lahkar, S Ahmed, A Bora, K Mohan, SS Rohman, AK Guha, SK Dolui, Modulation of electronic density states of carbon atom via multifaceted Cu doped Co2P particle for robust and efficient electrocatalytic hydrogen evolution reaction in aqueous acidic medium, Electrochimica Acta, vol. 455, 142378, 2023

2. MN Kaka, N Borah, AK Guha, C Tamuly, Synthesis and characterization of GA-AgNPs for highly sensitive and selective dual colorimetric detection of Thiourea and Thiophenol with DFT approach, Inorganic Chemistry Communications, 110868, 2023

3. A K Guha, Oriented electric field stabilized beryllium dimer, International Journal of Quantum Chemistry, 2023

4. C Kashyap, SK Purkayastha, SS Rohman, AK Guha, Inorganic Bergman Cyclization: An Appeal From Theory, ChemPhysChem, vol. 24, e202200504, 2023

5. Amlan J Kalita, Shahnaz S Rohman, Chayanika Kashyap, Sabnam S Ullah, Indrani Baruah, Lakhya J Mazumder, Dimpul Konwar, Ankur K Guha, Planar Octacoordinate Aluminium in Dual Aromatic AlBe4N4− Cluster, Journal of Cluster Science, vol. 34, 1133, 2023

6. A Kumar, J Muhommad, SK Purkayastha, AK Guha, MR Das, S Deka, Robust and promising electrocatalytic oxygen evolution reaction by activated Cu–Co–B amorphous nanosheets, ACS Sustainable Chemistry & Engineering, vol. 11, 2541, 2023

7. A K Guha, Inter‐Alkali‐Metal Dative Bond in the MMN3− (M=Alkali Metal) Cluster, ChemPhysChem, e202200935, 2023

8. K Sarmah, AJ Kalita, AK Guha, A theoretical investigation of Zn Zn and Be Be one electron bond, International Journal of Quantum Chemistry, vol. 123, e27006, 2023

9. AJ Kalita, N Gohain, A Bordoloi, AK Guha, Planar pentacoordinate carbon in 16 electron neutral CCu2Be3H4 cluster, Physical Chemistry Chemical Physics, 2023

10. Subir Biswas, Dipankar Barman, Gautam Gogoi, Nazimul Hoque, Arpita Devi, Siddhartha K Purkayastha, Ankur Kanti Guha, Jayanta K Nath, Kusum K Bania, Heterogeneous iron catalyst for C (1)–H functionalization of 2-naphthols with primary aromatic alcohols, Organic & Biomolecular Chemistry, vol. 21, 1657, 2023

11. K Sarmah, SK Purkayastha, AJ Kalita, AK Guha, An in silico study of the selective adsorption and separation of CO 2 from a flue gas mixture (CH 4, CO 2, N 2) by ZnLi 5+ clusters, Physical Chemistry Chemical Physics, vol. 25, 5174, 2023

12. A Malik, S Bhatt, A Soni, PK Khatri, AK Guha, L Saikia, SL Jain, Visible-light driven reaction of CO 2 with alcohols using a Ag/CeO 2 nanocomposite: First photochemical synthesis of linear carbonates under mild conditions, Chemical Communications, vol. 59, 1313, 2023

13. Amlan J Kalita, Shahnaz S Rohman, Chayanika Kashyap, Lakhya J Mazumder, Indrani Baruah, Ritam Raj Borah, Farnaz Yashmin, Kangkan Sarmah, Ankur K Guha, Metallic clusters for realizing planar hypercoordinate second-row main group elements and multiple bonded species, Elsevier, 2023

14. Prabhat K Maharana, Tanumay Sarkar, Subhradeep Kar, Siddhartha K Purkayastha, Ankur K Guha, Tharmalingam Punniyamurthy, Cobalt-Catalyzed Stereospecific C–N/C–O Bond Formation of Oxiranes with Diaziridines, The Journal of Organic Chemistry, 2023 10.1021/acs.joc.3c00445

15. S. Saha, S. Maity, R. Mazumdar, B. Samanta, R. Ghosh, A. K. Guha, B. Mondal, Sixth Ligand Induced HNO/NO– Release by a Five-Coordinated Cobalt(II) Nitrosyl Complex Having a {CoNO}8 Configuration, Inorganic Chemistry, 2023 10.1021/acs.inorgchem.3c01124

2022

1. N Borah, AJ Kalita, AK Guha, MR Das, C Tamuly, Highly selective, rapid and simple colorimetric detection of Fe3+ in fortified foods by L-Cysteine modified AuNP, Microchemical Journal, vol. 179, 107480, 2022 10.1016/j.microc.2022.107480

2. J. Goswami, S. S. Rohman, A. K. Guha, P. Basyach, K. Sonowal, S. P. Borah, L. Saikia, P. Hazarika, Phosphoric acid assisted synthesis of fluorescent carbon dots from waste biomass for detection of Cr (VI) in aqueous media, Materials Chemistry and Physics , vol. 286, 126133, 2022 10.1016/j.matchemphys.2022.126133

3. A. J. Kalita, P. Dutta, F. Yashmin, R. R. Borah, R. P. Deka, A. K. Guha, Viability of half‐sandwich complex of heavier group‐14 elements (SiPb) with neutral Be3 ring and its potential application as H2 storage material, International Journal of Quantum Chemistry , vol. 122, e26878, 2022 10.1002/qua.26878

4. A. Singh, H. P. Gogoi, P. Barman, A. K. Guha, Novel thioether Schiff base transition metal complexes: Design, synthesis, characterization, molecular docking, computational, biological and catalytic studies, Applied Organometallic Chemistry, vol. 36, e6673, 2022 10.1002/aoc.6673

5. B. J, Sarmah, J. Nath, A. K. Guha, Rhodium (I) carbonyl complexes containing amino acid ester ligands: synthesis, reactivity and DFT studies, Journal of Coordination Chemistry, 2022 10.1080/00958972.2022.2059358

6. P. Bordoloi, A. K. Guha, D. K. Das, Condensation Product of 1-Naphthaldehyde and 3-Aminophenol: Fluorescent “on” Probe for Ce3+ and “off” Probe for Dichromate (Cr2O72−), Journal of Fluorescence, vol. 32, 1189, 2022 10.1007/s10895-022-02927-0

7. M. J. Baruah, T. J. Bora, G. Gogoi, N. Hoque, N. K. Gour, S. K. Bhargava, A. K. Guha, J. K. Nath, B. Das, K. K. Bania, Chirally modified cobalt-vanadate grafted on battery waste derived layered reduced graphene oxide for enantioselective photooxidation of 2-naphthol: Asymmetric induction through non-covalent interaction, Journal of Colloid and Interface Science, vol. 608, 1526, 2022 10.1016/j.jcis.2021.10.091

8. R. R. Borah, A. J. Kalita, F. Y.asmin, K. Sarmah, R. P. Deka, D. Konwar, A. K. Guha, Aromatic B3 Ring Stabilized Group 2 Dimer, B3-YY-B3 (Y= Be, Mg, Ca), Polyhedron, vol. 215, 115681, 2022 10.1016/j.poly.2022.115681

9. A. R. Shelte, K. Sarmah, A. K. Guha, S. Pratihar, Tetrametallic Copper Complex to Nanoscale Copper: Selective and Switchable Dehydrogenation‐Hydrogenation under Light, Chemistry–A European Journal, vol. 28, e202103383, 2022 10.1002/chem.202103383

10. A. J. Kalita, I. Baruah, K. Sarmah, R. R. Borah, F. Yashmin, A. K. Guha, Planar Pentacoordinate Zinc Group Elements Stabilized by Multicentric Bonds, Inorganic chemistry, vol. 61, 1259, 2022 10.1021/acs.inorgchem.1c03426

11. P. Basyach, A. K. Guha, S. Borthakur, L. Kalita, P. Chetia, K. Sonowal, L. Saikia, Efficient hydroxylation of benzene to phenol by H 2 O 2 using Ni-doped CuWO 4 on carbon nitride as a catalyst under solar irradiation and its structure–activity relationship, Journal of Materials Chemistry A, vol. 10, 10790, 2022

12. R. Paw, M. Hazarika, P. K. Boruah, A. J. Kalita, A. K. Guha, M. R. Das, C. Tamuly, Highly sensitive and selective colorimetric detection of dual metal ions (Hg 2+ and Sn 2+) in water: an eco-friendly approach, RSC advances, vol. 12, 11345, 2022 10.1039/D2RA90034C

13. A. J. Kalita, K. Sharma, R. R. Borah, F. Yashmin, L. J. Mazumder, S. K. Purkayastha, K. Das, T. Dutta, A. K. Guha , Missing Recipe in the Na-B Bond in NaBH3– Cluster, Chemistry Select, vol. 7, e202201536, 2022 10.1002/slct.202201536

14. AJ Kalita, K Sarmah, F Yashmin, RR Borah, I Baruah, RP Deka, AK Guha, σ-Aromaticity in planar pentacoordinate aluminium and gallium clusters, Scientific Reports, vol. 12, 1, 2022 10.1038/s41598-022-14430-4

15. I Baruah, C Kashyap, AK Guha, G Borgohain, Insights into the Interaction between Polyphenols and β-Lactoglobulin through Molecular Docking, MD Simulation, and QM/MM Approaches, ACS Omega, 2022 10.1021/acsomega.2c00336

2021

1. S. Borah, A. K. Guha, L. Saikia, M. Deka, Nanofiber induced enhancement of electrical and electrochemical properties in polymer gel electrolytes for application in energy storage devices, Journal of Alloys and Compounds, vol. 886, 161173, 2021 10.1016/j.jallcom.2021.161173

2. N. Chelleng, M. Hazarika, A. J. Kalita, A. K. Guha, C. Tamuly, Effect of Solvent on Antioxidant Activity of Zanthoxylum oxyphyllum Edgew and its DFT Study, Current Bioactive Compounds, vol. 17, 82-89, 2021 10.2174/1573407217666210223105051

3. Amlan Jyoti Kalita, Prem Prakash Sahu, Ritam Raj Borah, Shahnaz Sultana Rohman, Chayanika Kashyap, Sabnam Swabaka Ullah, Indrani Baruah, Lakhya Jyoti Mazumder, Dimpul Konwar, Ankur Kanti Guha, Neutral all metal aromatic half-sandwich complexes between alkaline earth and transition metals: an ab initio exploration, Structural Chemistry, 2021 10.1007/s11224-021-01807-w

4. B Bhattacharyya, AJ Kalita, AK Guha, N Gogoi, Phosphonate functionalized N-heterocyclic carbene Pd (II) complexes as efficient catalysts for Suzuki-Miyaura cross coupling reaction, Journal of Organometallic Chemistry, 2021 10.1016/j.jorganchem.2021.122067

5. S Deka, AK Guha, DK Das, Fluorescent Sensors for Hg2+ and Cu2+ Based on Condensation Products of 4H-1, 2, 4 Triazole-4-Amine and Carboxylated Benzoic Acids, Journal of Fluorescence , vol. 31, 1937, 2021

6. MJ Baruah, TJ Bora, R Dutta, S Roy, AK Guha, KK Bania, Fe (III) superoxide radicals in halloysite nanotubes for visible-light-assisted benzyl alcohol oxidation and oxidative CC coupling of 2-naphthol, Molecular Catalysis, vol. 515, 111858, 2021

7. Roktopol Hazarika, Anirban Garg, Swadhin Chetia, Parmita Phukan, Akshay Kulshrestha, Arvind Kumar, Ankur Bordoloi, Amlan Jyoti Kalita, Ankur Kanti Guha, Diganta Sarma, Magnetically separable ZnFe2O4 nanoparticles: A low cost and sustainable catalyst for propargyl amine and NH-triazole synthesis, Applied Catalysis A: General, vol. 625, 118338, 2021

8. JJ Boruah, ZS Bhatt, CR Nathani, VJ Bambhaniya, AK Guha, SP Das, Green synthesis of a vanadium (V) Schiff base complex by grinding method: study on its catalytic and anti-bacterial activity, Journal of Coordination Chemistry, vol. 74, 2055, 2021

9. S Borah, AK Guha, L Saikia, M Deka, Nanofiber induced enhancement of electrical and electrochemical properties in polymer gel electrolytes for application in energy storage devices, Journal of Alloys and Compounds, vol. 886, 161173, 2021

10. N Chelleng, M Hazarika, AJ Kalita, AK Guha, C Tamuly, Effect of Solvent on Antioxidant Activity of Zanthoxylum oxyphyllum Edgew and its DFT Study, vol. 17, 82, 2021

Research paper publications till 2021

2020

  1. B. J. Sarmah, A. K. Guha, J. Nath, L. Saikia, "Synthesis, characterization and DFT studies of electron-rich iridium (I) carbonyl complexes of an unsymmetrical phosphine–phosphine monoselenide ligand and their reactivity" Polyhedron, 2020, 114344.

 

  1. A. J. Kalita, S. S. Rohman, C. Kashyap, S. S. Ullah, A. K. Guha, "Stabilization of Neutral Tricoordinate Pyramidal Boron: Enhanced Lewis Acidity and Profound Reactivity" Polyhedron, 2020, 175, 114193.

 

  1. S. J. Bora, R. Paul, A. Dutta, S. Goswami, A. K. Guha, A. J, Thakur, “Trinuclear Mn2+/Zn2+ based microporous coordination polymers as efficient catalysts for ipso-hydroxylation of boronic acids” Dalton Transac.  2020 (Accepted, in press).

 

  1. A. J. Kalita, S. S. Rohman, C. Kashyap, S. S. Ullah, A. Chakraborty, A. K. Guha, “In Silico Search for Boron?Beryllium Dative Bond” Eur. J. Inorg. Chem. 2020, (Accepted, in press).

 

 

2019

  1. C. Kashyap, S. S. Rohman, S. S. Ullah, A. K. Guha, "Exploring the reactivity of carbene supported diboraanthracene towards dihydrogen activation" Polyhedron, 2019, 170, 663.
  2. S. S. Ullah, C. Kashyap, S. S. Rohman, A. K. Guha "Hydrogen activation by isomeric aromatic phosphabenzene: A theoretical study" Polyhedron, 2019, 170, 690.
  3. A. J. Kalita, S. S. Rohman, C. Kashyap, S. S. Ullah, S. Reza, B. Borah, A. K. Guha "Multicenter Bonding in s-Block Metals: An Insight from Theory" Compt. Theor. Chem. 2019 (Accepted, In press).
  4. S. Rohman, C. Kashyap, S. S. Ullah, L. J. Mazumder, P. P. Sahu, A. Kalita, S. Reza, P. P. Hazarika, B. Borah, A. K. Guha, "Revisiting Ultra-Weak Metal-Metal Bonding" Chem. Phys. Lett. 2019 (Accepted, In press).
  5. M Sharma, B Das, A Hazarika, AK Guha, SK Bhargava, KK Bania, "PdO/CuO Nanoparticles on Zeolite-Y for Nitroarene Reduction and Methanol Oxidation" ACS Applied Nano Materials , 2019 (Accepted, in press).
  6. A. Gogoi, D. Dutta, A. K. Verma, H. Nath, A. Frontera, A. K. Guha, M. K. Bhattacharyya, "Energetically favorable anti-electrostatic hydrogen bonded cationic clusters in Ni (II) 3, 5-dimethylpyrazole complexes: anticancer evaluation and theoretical studies" Polyhedron, 2019 (Accepted, In press).
  7. S. Rohman, C. Kashyap, S. Ullah, A. K. Guha, "Viability of Half Sandwich Complexes of Borole with Group 14 (II) Ions: Structure, Stability and Reactivity" Polyhedron, 2019 (Accepted, in press)
  8. S. Rohman, C. Kashyap, S. Ullah, A. K. Guha, L. Mazumder, P. K. Sharma, "Ultra-Weak Metal-Metal Bonding: Is There a Beryllium-Beryllium Triple Bond?" ChemPhysChem, 2019, (Accepted, In press).
  9. SS Rohman, C Kashyap, SS Ullah, AK Guha, "Designing Metal-Free Frustrated Lewis Pairs for Dihydrogen Activation Based on a Carbene-Borane System" Polyhedron, 2019, (Accepted, In press).
  10. C. Kashyap, L. J. Mazumder, S, Rohman, S. Ullah, A. K. Guha,"Re-visiting the Antioxidant Activity of Se- and Te- Carbohydrates: A Theoretical Study" ChemSelect, 2019 (Accepted, In press).
  11. S. Ullah, S. Rohman, C. Kashyap, A. K. Guha" Protonation of Verkade Bases: A Theoretical Study" New. J. Chem, 2019, (Accepted, In press).
  12. R Pegu, G Pandit, A. K Guha, S. K Das, S Pratihar, " Selective detection of fluoride via amplified donor-acceptor interaction of 6H-indolo [2, 3-b] quinoline" Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2019, 211, 246.
  13. S. Rohman, C. Kashyap, S. Ullah, A. K. Guha" Computational Discovery of the Strongest Base" Chem. Phys. Lett. 2019, 714, 65.
  14. SM Nashre-ul-Islam, D Dutta, AK Guha, MK Bhattacharyya " An unusual werner type clathrate of Mn (II) benzoate involving energetically significant weak CH? C contacts: A combined experimental and theoretical study" J. Mol. Struct. 2019, 1175.

 

For full list of publication and details of research see

 

https://sites.google.com/site/ankurkantiguha/team-schedules

Students

Sl.No Name Research Topic Roll No
1 Sabnam S. Ullah Small Molecule Activation
2 Shahnaz S. Rohman Theoretical studies on ring systems and metal-metal bonding
3 Chayanika Kashyap Theoretical studies on ring system and atmospheric chemistry
4 Amlan J. Kalita Planar hypercoordination and metal-metal multiple bonds
5 Kangkan Sarma Hydrogen Storage and Energy
6 Siddhartha K. Purkayastha Carbene-Metal Complexes
7 Nargish Sultana Cage Compounds
8 Himasri Kalita Non-covalent Interaction

Awards

Governer Excellence award, 2022 for research in Chemistry.

J. N. Baruah memorial award by CSIR-NEIST, Jorhat, 2023 for acheivement in Chemical Research.