| Title | Hierarchical Graphene Foam for Efficient Omnidirectional Solar-Thermal Energy Conversion |
| Authors | Ren, Huaying Tang, Miao Guan, Baolu Wang, Kexin Yang, Jiawei Wang, Feifan Wang, Mingzhan Shan, Jingyuan Chen, Zhaolong Wei, Di Peng, Hailin Liu, Zhongfan |
| Affiliation | Peking Univ, Ctr Nanochem, Beijing Sci & Engn Ctr Nanocarbons, Beijing Natl Lab Mol Sci,Coll Chem & Mol Engn, Beijing 100871, Peoples R China. Peking Univ, Acad Adv Interdisciplinary Studies, Beijing 100871, Peoples R China. Beijing Univ Technol, Fac Informat Technol, Coll Elect Sci & Technol, Minist Educ,Key Lab Optoelect Technol, Beijing 100022, Peoples R China. Beijing Graphene Inst, Beijing 100094, Peoples R China. |
| Keywords | desalination graphene hierarchical foams solar-thermal conversion CHEMICAL-VAPOR-DEPOSITION CARBON NANOWALLS STEAM-GENERATION HEAT NANOPARTICLES DESALINATION EVAPORATION GROWTH |
| Issue Date | 2017 |
| Publisher | ADVANCED MATERIALS |
| Citation | ADVANCED MATERIALS.2017,29(38). |
| Abstract | Efficient solar-thermal energy conversion is essential for the harvesting and transformation of abundant solar energy, leading to the exploration and design of efficient solar-thermal materials. Carbon-based materials, especially graphene, have the advantages of broadband absorption and excellent photothermal properties, and hold promise for solar-thermal energy conversion. However, to date, graphene-based solar-thermal materials with superior omnidirectional light harvesting performances remain elusive. Herein, hierarchical graphene foam (h-G foam) with continuous porosity grown via plasma-enhanced chemical vapor deposition is reported, showing dramatic enhancement of broadband and omnidirectional absorption of sunlight, which thereby can enable a considerable elevation of temperature. Used as a heating material, the external solar-thermal energy conversion efficiency of the h-G foam impressively reaches up to approximate to 93.4%, and the solar-vapor conversion efficiency exceeds 90% for seawater desalination with high endurance. |
| URI | http://hdl.handle.net/20.500.11897/462313 |
| ISSN | 0935-9648 |
| DOI | 10.1002/adma.201702590 |
| Indexed | SCI(E) |
| Appears in Collections: | å å¦ä¸ å å å·¥ç¨ å¦é ¢ 前沿交叉学科研究院 |
