1. Super-Hydrophilic Hierarchical Ni-Foam-Graphene-Carbon Nanotubes-Ni2P-CuP2 Nano-Architecture as Efficient Electrocatalyst for Overall Water Splitting; Sk Riyajuddin, Kashif Azmi, Mansi Pahuja, Sushil Kumar, Takahiro Maruyama, Chandan Bera, and Kaushik Ghosh ; ACS Nano, 2021, 15, 3, 5586–5599.

2. p-i-n Silicon Nanowire Array-NGQD: A Metal-Free Electrocatalyst for Photoelectrochemical Hydrogen Evolution; Sk Riyajuddin, Sushil Kumar, Damini badhwar, Shumile Ahmed Siddhiqui, jenifar sultana, Kaushik Ghosh ; Sustainable Energy and Fuels, 2021, 5, 3160-3171.

3.  Strategy to improve the super-capacitive and hydrogen evolution performance of graphitic carbon nitrides via enrichment of carbon content; Sushil Kumar, Sk Riyajuddin, Kulvinder Singh, Lalit Yadav Takahiro Maruyama, and Kaushik Ghosh ; Journal of Alloys and Compounds, 2021,858, 157671.

4. In-situ growth of Urchin Manganese Sulfide Anchored Three-Dimensional Graphene (γ-MnS@3DG) on Carbon Cloth as Flexible Asymmetric Supercapacitor ; Sushil Kumar, Sk Riyajuddin, Mohd Afshan, SK Tarik Aziz and Kaushik Ghosh ; The Journal of Physical Chemistry Letters, 2021, 12, 6574-6581.

5.Bimetallic Phosphides for Hybrid Supercapacitors; SK Tarik Aziz, Sushil Kumar, Sk Riyajuddin, Kaushik Ghosh, Gilbert Daniel Nessim,  Deepak P. Dubal; The Journal of Physical Chemistry Letters, 2021, 12, 5138-5149.

6. Photo-Thermal Catalytic Reduction of Carbon Dioxide: Recent Status and Future Prospects ; Sushil Kumar, Sk Riyajuddin, Gushandeep Kaur, Kaushik Ghosh; Advanced in Nanoscience and Nanotechnology, 2021, 5,5-19.

7. Visible light assisted chemical fixation of atmospheric CO2 into cyclic Carbonates using covalent organic framework as a potential photocatalyst; Anjan Das, Ranjan Das, Pekham Chakrabortty, Sk Riyajuddin, Arpita Hazra Chowdhury, Swarbhanu Ghosh, Aslam Khan, Kaushik Ghosh, Sk Manirul Islam*; Molecular Catalysis, 2021, 499,111253.

8. Book Chapter Large Area Graphene and Their Use as Flexible Touchscreens; Surender P. Gaur #, Sk Riyajuddin#, Sushil Kumar, Kaushik Ghosh*; Carbon Nanomaterial Electronics: Devices and Applications, Springer, 2021, ISBN No-978-981-1610-51-6  (#-both authors have an equal contribution).