This collection features 10 selected papers on nanomaterials for efficient energy conversion, all of which were recently published in our journal, Nanomaterials (ISSN: 2079-4991). This collection of papers covers material innovations ranging from halide perovskites and single-atom catalysts to metal–organic frameworks (MOFs) and chalcogenides. The research addresses challenges in conversion efficiency, stability, and mechanism analysis for systems such as tandem solar cells, solar-to-hydrogen production, and self-powered sensing via triboelectric nanogenerators. We believe the following papers will be of interest to you:

1. “Advances in Catalysts for Hydrogen Production: A Comprehensive Review of Materials and Mechanisms”
by Niraj Kumar, Radhamanohar Aepuru, Seul-Yi Lee and Soo-Jin Park
Nanomaterials 2025, 15(4), 256; https://doi.org/10.3390/nano15040256
Available online: https://www.mdpi.com/2079-4991/15/4/256

2. “Carbon Dioxide Capture and Conversion Using Metal–Organic Framework (MOF) Materials: A Comprehensive Review”
by Fanyi Kong and Wenqian Chen
Nanomaterials 2024, 14(16), 1340; https://doi.org/10.3390/nano14161340
Available online: https://www.mdpi.com/2079-4991/14/16/1340

3. “Recent Progress of Wide Bandgap Perovskites towards Two-Terminal Perovskite/Silicon Tandem Solar Cells”
by Qianyu Chen, Long Zhou, Jiaojiao Zhang, Dazheng Chen, Weidong Zhu, He Xi, Jincheng Zhang, Chunfu Zhang and Yue Hao
Nanomaterials 2024, 14(2), 202; https://doi.org/10.3390/nano14020202
Available online: https://www.mdpi.com/2079-4991/14/2/202

4. “An Optimization Path for Sb₂(S,Se)₃ Solar Cells to Achieve an Efficiency Exceeding 20%”
by Xiaoyong Xiong, Chao Ding, Bingfeng Jiang, Guanggen Zeng and Bing Li
Nanomaterials 2024, 14(17), 1433; https://doi.org/10.3390/nano14171433
Available online: https://www.mdpi.com/2079-4991/14/17/1433

5. “Analyzing Efficiency of Perovskite Solar Cells Under High Illumination Intensities by SCAPS Device Simulation”
by Heng Li, Yongtao Huang, Muyan Zhu, Pingyuan Yan and Chuanxiang Sheng
Nanomaterials 2025, 15(4), 286; https://doi.org/10.3390/nano15040286
Available online: https://www.mdpi.com/2079-4991/15/4/286

6. “Prospects of Halide Perovskites for Solar-to-Hydrogen Production”
by Huilong Liu, Tulja Bhavani Korukonda and Shubhra Bansal
Nanomaterials 2024, 14(23), 1914; https://doi.org/10.3390/nano14231914
Available online: https://www.mdpi.com/2079-4991/14/23/1914

7. “Recent Advances in Non-Noble Metal Electrocatalysts for Hydrogen Evolution Reaction in Water Splitting”
by Aiyi Dong, Zifeng Li, Yinhua Ma, Weimin Liao, Fengjiao Zhao, Xun Zhang and Honglin Gao
Nanomaterials 2025, 15(14), 1106; https://doi.org/10.3390/nano15141106
Available online: https://www.mdpi.com/2079-4991/15/14/1106 

8. “Atomic Layer Deposition of Nickel Oxides as Electrocatalyst for Oxygen Evolution Reaction”
by Jueyu Chen, Ruijie Dai, Hongwei Ma, Zhijie Lin, Yuanchao Li and Bin Xi
Nanomaterials 2025, 15(7), 474; https://doi.org/10.3390/nano15070474
Available online: https://www.mdpi.com/2079-4991/15/7/474 

9. “Constructing of Ni–N_x Active Sites in Self-Supported Ni Single-Atom Catalysts for Efficient Reduction of CO₂ to CO”
by Xuemei Zhou, Chunxia Meng, Wanqiang Yu, Yijie Wang, Luyun Cui, Tong Li and Jingang Wang
Nanomaterials 2025, 15(6), 473; https://doi.org/10.3390/nano15060473
Available online: https://www.mdpi.com/2079-4991/15/6/473

10. “Synergizing Machine Learning Algorithm with Triboelectric Nanogenerators for Advanced Self-Powered Sensing Systems”
by Roujuan Li, Di Wei and Zhonglin Wang
Nanomaterials 2024, 14(2), 165; https://doi.org/10.3390/nano14020165
Available online: https://www.mdpi.com/2079-4991/14/2/165