Related Experiment Video
Updated: Jan 27, 2026

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
Published on: November 5, 2014
Hierarchical Porous SWCNT Stringed Carbon Polyhedrons and PSS Threaded MOF Bilayer Membrane for Efficient Solar Vapor
Xu Ma1, Wenzhang Fang2, Yi Guo1
1State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, P. R. China.
Abstract:
Interfacial solar vapor generation is considered to be an efficient and eco-friendly technology for harvesting solar energy and providing freshwater. However, the efficient and long-term steady evaporation of seawater under 1 sun becomes a critical issue when it comes to practical applications. Based on this issue, a special double-layer structure, which contains a metal-organic-framework-derived hierarchical porous carbon membrane (HPCM) for solar absorption and a polystyrene sulfonate (PSS)@Cu3 (BTC)3 •3H2 O (HKUST-1)/single-walled carbon nanotube (SWCNT) (PHS) membrane for water supply and salt blocking, is designed in this work. The converted heat is utilized efficiently in situ to drive the evaporation of water-trapped HPCM. The PHS membrane with PSS modified channels successfully prevents the deposition of salt. Due to the synergistic combination of the HPCM and PHS membranes, the device exhibits a remarkably high water evaporation rate of 1.38 kg m-2 h-1 and solar-vapor generation efficiency of 90.8% under 1 sun.
Related Concept Videos
Vaporization
Vapor Pressure
Vapor Pressure Lowering
Phase Transitions: Vaporization and Condensation
Problem-Solving: Tuning of a Guitar String
The string's wave speed can be regulated by varying the linear density. Tension is the other property that determines the speed of...
The Carbon Cycle

