期刊:Journal of materials chemistry. A, Materials for energy and sustainability [The Royal Society of Chemistry] 日期:2015-01-01卷期号:3 (30): 15540-15545被引量:43
标识
DOI:10.1039/c5ta03309h
摘要
In nature, the fibrils of awns can make an open–close motion in response to humidity changes.