| Engineering, Technology and Energy | 2021-2025 | 793 | CN 505 | 99.79 |
| Environmental Science and Ecology | 2021-2025 | 507 | CN 236 | 99.54 |
| Materials Science | 2021-2025 | 745 | CN 484 | 98.65 |
| Renewable Energy, Sustainability and the Environment | Lifetime | 85 | CN 30 | 99.80 |
| Water Science and Technology | Lifetime | 605 | CN 176 | 97.85 |
| Renewable Energy, Sustainability and the Environment | 2021-2025 | 30 | CN 20 | 99.84 |
| Water Science and Technology | 2021-2025 | 54 | CN 22 | 99.46 |
| Materials Chemistry | 2021-2025 | 412 | CN 259 | 98.28 |
| Electrical and Electronic Engineering | 2021-2025 | 758 | CN 480 | 98.10 |
| Electrochemistry | 2021-2025 | 48 | CN 11 | 90.03 |
| Advanced Photocatalysis Techniques | Lifetime | 84 | CN 49 | 99.83 |
| Copper-based nanomaterials and applications | Lifetime | 121 | CN 60 | 99.37 |
| Perovskite Materials and Applications | Lifetime | 305 | CN 178 | 99.17 |
| Advanced oxidation water treatment | Lifetime | 138 | CN 57 | 98.87 |
| Gas Sensing Nanomaterials and Sensors | Lifetime | 556 | CN 298 | 98.53 |
| Advanced Nanomaterials in Catalysis | Lifetime | 333 | CN 233 | 98.50 |
| Quantum Dots Synthesis And Properties | Lifetime | 701 | CN 283 | 98.38 |
| Electrocatalysts for Energy Conversion | Lifetime | 893 | CN 485 | 98.39 |
| Covalent Organic Framework Applications | Lifetime | 493 | CN 286 | 97.15 |
| 2D Materials and Applications | Lifetime | 910 | CN 459 | 96.34 |
| Advanced Photocatalysis Techniques | 2021-2025 | 21 | CN 16 | 99.91 |
| Electrochemical Analysis and Applications | 2021-2025 | 28 | CN 9 | 98.99 |
| Advanced oxidation water treatment | 2021-2025 | 19 | CN 13 | 99.56 |
| Gas Sensing Nanomaterials and Sensors | 2021-2025 | 113 | CN 81 | 98.66 |
| Copper-based nanomaterials and applications | 2021-2025 | 108 | CN 66 | 97.91 |
| Perovskite Materials and Applications | 2021-2025 | 563 | CN 404 | 97.45 |
| Covalent Organic Framework Applications | 2021-2025 | 278 | CN 215 | 96.58 |
| Advanced Nanomaterials in Catalysis | 2021-2025 | 622 | CN 443 | 94.64 |
| TiO2 Photocatalysis and Solar Cells | 2021-2025 | 289 | CN 49 | 92.86 |
| Solar-Powered Water Purification Methods | 2021-2025 | 351 | CN 191 | 91.59 |
| Industrial Gas Emission Control | 2021-2025 | 232 | CN 179 | 86.38 |
| Environmental remediation with nanomaterials | 2021-2025 | 863 | CN 691 | 79.49 |
