Near-field optical imaging of transient absorption dynamics in organic nanocrystals

Yuzhen Shen, Tzu Chau Lin, Jianming Dai, Przemyslaw Markowicz, Paras N. Prasad

研究成果: 雜誌貢獻通訊期刊論文同行評審

12 引文 斯高帕斯(Scopus)

摘要

Collection-mode near-field scanning optical microscopy is combined with femtosecond two-color pump-probe spectroscopy to study the transient absorption dynamics in organic crystals. The temporal evolution of the variation in the nonlinear transmittance of nanostructures is mapped with a spatial resolution of 200 nm and temporal resolution of 150 fs. Near-field time-resolved measurements indicate a nonradiative energy transfer from the excited molecules to the metal coating of a near-field probe.

原文???core.languages.en_GB???
頁(從 - 到)13551-13553
頁數3
期刊Journal of Physical Chemistry B
107
發行號49
DOIs
出版狀態已出版 - 11 12月 2003

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