Excitons in single-walled carbon nanotubes and their dynamics

AR Amori, Z Hou, TD Krauss - Annual review of physical …, 2018 - annualreviews.org
Understanding exciton dynamics in single-walled carbon nanotubes (SWCNTs) is essential
to unlocking the many potential applications of these materials. This review summarizes …

Making graphene luminescent by oxygen plasma treatment

T Gokus, RR Nair, A Bonetti, M Bohmler, A Lombardo… - ACS …, 2009 - ACS Publications
We show that strong photoluminescence (PL) can be induced in single-layer graphene
using an oxygen plasma treatment. The PL is spatially uniform across the flakes and …

Photoluminescence studies on exciton photophysics in carbon nanotubes

Y Miyauchi - Journal of Materials Chemistry C, 2013 - pubs.rsc.org
Single-walled carbon nanotubes (SWNTs) are extremely thin cylinders of hexagonal carbon
networks with diameters on the order of 1 nm. Over the past decade, optical properties of …

Tip-enhanced near-field optical microscopy of carbon nanotubes

A Hartschuh, H Qian, C Georgi, M Böhmler… - Analytical and …, 2009 - Springer
We review recent experimental studies on single-walled carbon nanotubes on substrates
using tip-enhanced near-field optical microscopy (TENOM). High-resolution optical and …

Defect-induced photoluminescence from dark excitonic states in individual single-walled carbon nanotubes

H Harutyunyan, T Gokus, AA Green, MC Hersam… - Nano …, 2009 - ACS Publications
We show that new low-energy photoluminescence (PL) bands can be created in the spectra
of semiconducting single-walled carbon nanotubes by intense pulsed excitation. The new …

Mono-and biexponential luminescence decays of individual single-walled carbon nanotubes

T Gokus, L Cognet, JG Duque, M Pasquali… - The journal of …, 2010 - ACS Publications
We have studied the exciton recombination dynamics of individual (6, 4) and (6, 5) single-
walled carbon nanotubes embedded in aqueous gels or deposited on glass surfaces …

Environmental and synthesis-dependent luminescence properties of individual single-walled carbon nanotubes

JG Duque, M Pasquali, L Cognet, B Lounis - ACS nano, 2009 - ACS Publications
Luminescence properties of individual (6, 5) single-walled carbon nanotubes (SWNTs) were
studied using continuous wave and time-resolved spectroscopy. Nanotubes synthesized by …

Swelling the micelle core surrounding single-walled carbon nanotubes with water-immiscible organic solvents

RK Wang, WC Chen, DK Campos… - Journal of the American …, 2008 - ACS Publications
Solvatochromic shifts in the absorbance and fluorescence spectra are observed when
surfactant–stabilized aqueous single-walled carbon nanotube (SWNT) suspensions are …

Length-dependent photoluminescence lifetimes in single-walled carbon nanotubes

Y Miyauchi, K Matsuda, Y Yamamoto… - The Journal of …, 2010 - ACS Publications
We describe the length-dependent exciton dynamics in DNA-wrapped single-walled carbon
nanotubes (SWNTs) using time-resolved photoluminescence (PL) excitation correlation …

Merged Molecular Switches Excel as Optoacoustic Dyes: Azobenzene–Cyanines Are Loud and Photostable NIR Imaging Agents

M Müller, N Liu, V Gujrati, A Valavalkar… - Angewandte Chemie …, 2024 - Wiley Online Library
Optoacoustic (or photoacoustic) imaging promises micron‐resolution noninvasive
bioimaging with much deeper penetration (> cm) than fluorescence. However, optoacoustic …