Reversible modification of the absorption properties of single-walled carbon nanotube thin films via nitric acid exposure

被引：99

作者：

Hennrich, F ^{[1
]}

Wellmann, R

Malik, S

Lebedkin, S

Kappes, MM

机构：

[1] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany

[2] Univ Karlsruhe, Inst Phys Chem, D-76128 Karlsruhe, Germany

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2003年 / 5卷 / 01期

关键词：

D O I：

10.1039/b208270e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Exposure of thin films of as-prepared single-walled carbon nanotubes (SWNT) to nitric acid induces dramatic bleaching of the first and second interband transitions of semiconducting tubes (S1 and S2). These near-IR absorption features can be restored by annealing of treated SWNT films to elevated temperatures. Annealing may also be accomplished by visible laser irradiation thus allowing for spatially resolved modi cations to SWNT thin film optical absorption.

引用

页码：178 / 183

页数：6

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