Sourav Laha

Ramanujan Fellow, Department of Humanities and Sciences

Research Interest:

  • Solid state and materials chemistry
  • Synthesis, structure and properties of inorganic solids
  • Exploration of transition metal oxides, chalcogenides and halides towards development of new energy materials
  • Exfoliation of layered materials to nanosheets
  • Electrocatalytic water splitting and CO2 reduction 



Sourav Laha

Department of Humanities and Sciences

Indian Institute of Petroleum and Energy (IIPE), Visakhapatnam - 530 003

Telephone (Office) : +91(0) 891 285 6059 


Teaching Interests


  • Nuclear, Wind and Geothermal Energy (B. Tech., 8th Semester Elective-III, Spring 2021-2022)
  • Physical Chemistry Lab (B. Tech., 1st Semester, BS 19002, Autumn 2021-2022)


  • PhD : Indian Institute of Science, Bangalore    Solid State Chemistry    2016 
  • MS   : Indian Institute of Science, Bangalore    Chemical Sciences        2016
  • BSc  : The University of Burdwan                     Chemistry (Honours)    2008 


Professional Experience

  • Ramanujan Fellow : Department of Humanities and Sciences, Indian Institute of Petroleum and Energy,                                                  Visakhapatnam   (December, 2021 - Present)  
  • Postdoctoral Fellow : Nanochemistry Department, Max Planck Institute for Solid State Research, Stuttgart,                                             Germany   (February, 2017 - October, 2021) 

Journal Publications

After joining IIPE

18. "Origin of Oscillatory Structures in the Magnetothermal Conductivity of the Putative Kitaev Magnet α-RuCl3"       J. A. N. Bruin, R. R. claus, Y. Matsumoto, J. Nuss, S. Laha, B. V. Lotsch, N. Kurita, H. Tanaka, H. Takagi, Communicated (, 2022.   

Before joining IIPE 

17. “Proximate Ferromagnetic State in the Kitaev Model Material α-RuCl3”

H. Suzuki, H. Liu, J. Bertinshaw, K. Ueda, H. Kim, S. Laha, D. Weber, Z. Yang, L. Wang, H. Takahashi, K. Fürsich, M. Minola, B. V. Lotsch, B. J. Kim, H. Yavas¸ M. Daghofer, J. Chaloupka, G. Khaliullin, H. Gretarsson, B. Keimer, Nat. Commun. 2021, 12, 4512.

16. “Towards Standardized Photocatalytic Oxygen Evolution Rates using RuO2@TiO2 as a Benchmark”                    Hugo A. Vignolo-González, Sourav Laha, Alberto Jiménez- Solano, Takayoshi Oshima, Viola Duppel, Peter Schützendübe, Bettina V. Lotsch, Matter 2020, 3, 464–486.

15. “Magnetic Frustration in Partially Ordered Double Perovskites Ln3Ni2RuO9 (Ln = La, Nd)”                              S. Laha, J. Gopalakrishnan, S. Natarajan, J. Romero de Paz, E. Solana- Madruga, A. J. Dos Santos-García, S. García-Martín, O. Fabelo, E. Morán- Miguélez, R. Sáez-Puche, J. Alloys Compd. 2019, 806, 1509–1516.

14. “Ruthenium Oxide Nanosheets for Enhanced Oxygen Evolution Catalysis in Acidic Medium”                        Sourav Laha, Yonghyuk Lee, Filip Podjaski, Daniel Weber, Viola Duppel, Leslie M. Schoop, Florian Pielnhofer, Kathrin Müller, Ulrich Starke, Karsten Reuter, Bettina V. Lotsch, Adv. Energy Mater. 2019, 9, 1803795 (Frontispiece).

13. “IrOOH Nanosheets as Acid Stable Electrocatalyst for the Oxygen Evolution Reaction”                                  Daniel Weber, Leslie M. Schoop, Daniel Wurmbrand, Sourav Laha, Filip Podjaski, Viola Duppel, Kathrin Müller, Ulrich Starke, Bettina V. Lotsch, J. Mater. Chem. A 2018, 6, 21558–21566.

12. “Bottom-up Formation of Carbon-Based Structures with Multilevel Hierarchy from MOF–Guest Polyhedra” Tiesheng Wang, Hyun-Kyung Kim, Yingjun Liu, Weiwei Li, James T. Griffiths, Yue Wu, Sourav Laha, Kara D. Fong, Filip Podjaski, Chao Yun, R. Vasant Kumar, Bettina V. Lotsch, Anthony K. Cheetham, Stoyan K. Smoukov,   J. Am. Chem. Soc. 2018, 140, 6130–6136.

11. “Color Tuning in Garnet Oxides: The Role of Tetrahedral Coordination Geometry for 3d Metal Ions and Ligand–Metal Charge Transfer (Band-Gap Manipulation)”                                                                                                      Anupam Bhim, Sourav Laha, Jagannatha Gopalakrishnan, Srinivasan Natarajan, Chem. Asian J. 2017, 12, 2734–2743 (Cover Feature, highlighted in ChemViews magazine).

10. “Unique Colours of 3d Transition Metal Substituted Lyonsite Molybdates and Their Derivatives: The Role of Multiple Coordination Geometries and Metal–Metal Charge Transfer”                                                                            Sourav Laha, Srinivasan Natarajan, Jagannatha Gopalakrishnan, Eur. J. Inorg. Chem. 2016, 3883–3891.

9. “Stabilization of Tetrahedral (Mn5+O4) Chromophore in Ternary Barium Oxides as a Strategy towards Development of new Turquoise/Green Colored Pigments”                                                                                   Sourav Laha, Subramani Tamilarasan, Srinivasan Natarajan, Jagannatha Gopalakrishnan, Inorg. Chem. 2016, 55, 3508–3514.

8. “YIn0.9Mn0.1O3-ZnO Nano-Pigment Exhibiting Intense Blue Color with Impressive Solar Reflectance”            Sheethu Jose, Anaswara Jayaprakash, Sourav Laha, S. Natarajan, K. G. Nishanth, M. L. P. Reddy, Dyes Pigments 2016, 124, 120– 129.

7. “Exploring the Colour of 3d Transition-Metal Ions in Trigonal Bipyramidal Coordination: Identification of Purple-Blue (CoO5) and Beige-Red (NiO5) Chromophores in LiMgBO3 Host”                                                        Subramani Tamilarasan, Sourav Laha, Srinivasan Natarajan, Jagannatha Gopalakrishnan, Eur. J. Inorg. Chem. 2016, 288–293.

6. “Li2MnO3: A Rare Red-Coloured Manganese(IV) Oxide Exhibiting Tunable Red– Yellow–Green Emission”      S. Tamilarasan, Sourav Laha, S. Natarajan J. Gopalakrishnan, J. Mater. Chem. C 2015, 3, 4794–4800.

5. “Oxygen-participated Electrochemistry of New Lithium-rich Layered Oxides Li3MRuO5 (M = Mn, Fe)”             S. Laha, S. Natarajan, J. Gopalakrishnana, E. Morán, R. Sáez-Puche, M. Á. Alario-Franco, A. J. Dossantos-García, J. C. Pérez-Flores, A. Kuhn, F. García-Alvarado, Phys. Chem. Chem. Phys. 2015, 17, 3749–3760.

4. “Green Colored Nano-Pigments Derived from Y2BaCuO5: NIR Reflective Coatings”
S. Jose, A. Prakash, S. Laha, S. Natarajan, M. L. P. Reddy, Dyes Pigments 2014, 107, 118–126.

3. “Li3MRuO5 (M = Co, Ni), New Lithium-Rich Layered Oxides Related to LiCoO2: Promising Electrochemical Performance for Possible Application as Cathode Materials in Lithium Ion Batteries”                                                 S. Laha, E. Morán, R. Sáez-Puche, M. Á. Alario- Franco, A. J. Dossantos-Garcia, E. Gonzalo, A. Kuhn, S. Natarajan, J. Gopalakrishnana, F. García-Alvarado, J. Mater. Chem. A 2013, 1, 10686–10692.

2. “New Rocksalt-Related Oxides Li3M2RuO6 (M = Co, Ni) : Synthesis, Structure, Magnetism and Electrochemistry”                                                                                                                                                            S. Laha, E. Morán, R. Sáez-Puche, M. Á. Alario- Franco, A. J. Dossantos-Garcia, E. Gonzalo, A. Kuhn, F. García-Alvarado, T. Sivakumar, S. Tamilarasan, S. Natarajan, J. Gopalakrishnan, J. Solid State Chem. 2013, 203, 160–165.

1. “Ba3(P1−xMnxO4)2 : Blue/Green Inorganic Materials Based on Tetrahedral Mn(V)”                                                Sourav Laha, Rohit Sharma, S. V. Bhat, M. L. P. Reddy, J. Gopalakrishnan, S. Natarajan, Bull. Mater. Sci. 2011, 34, 1257-1262.

Research Projects

  • Exploration of new transition metal oxide nanosheets for renewable energy applications: Electrocatalysts for water splitting and CO2 reduction, Ramanujan Fellowship (2021 - 2026)

Awards & Honors

  • Received Ramanujan Fellowship, SERB, DST, India (August, 2021)
  • Invited to Universidad Complutense, Madrid, Spain as a visiting research scholar for seven months in 2012 
  • IIT-JAM (2008)
  • Integrated PhD, Indian Institute of Science, Bangalore (2008)