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One-Pot, Large-Scale Synthesis of Organic Color Center-Tailored Semiconducting Carbon Nanotubes
journal contribution
posted on 2019-07-03, 00:00 authored by Hong-Bin Luo, Peng Wang, Xiaojian Wu, Haoran Qu, Xiaoming Ren, YuHuang WangOrganic color center-tailored
semiconducting single-walled carbon
nanotubes are a rising family of synthetic quantum emitters that display
bright defect photoluminescence molecularly tunable for imaging, sensing,
and quantum information processing. A major advance in this area would
be the development of a high-yield synthetic route that is capable
of producing these materials well exceeding the current μg/mL
scale. Here, we demonstrate that adding a chlorosulfonic acid solution
of raw carbon nanotubes, sodium nitrite, and an aniline derivative
into water readily leads to the synthesis of organic color center-tailored
nanotubes. This unexpectedly simple one-pot reaction is highly scalable
(yielding hundreds of milligrams of materials in a single run), efficient
(reaction completes in seconds), and versatile (achieved the synthesis
of organic color centers previously unattainable). The implanted organic
color centers can be easily tailored by choosing from the more than
40 aniline derivatives that are commercially available, including
many fluoroaniline and aminobenzoic acid derivatives, and that are
difficult to convert into diazonium salts. We found this chemistry
works for all the nanotube chiralities investigated. The synthesized
materials are neat solids that can be directly dispersed in either
water or an organic solvent by a surfactant or polymer depending on
the specific application. The nanotube products can also be further
sorted into single chirality-enriched fractions with defect-specific
photoluminescence that is tunable over ∼1100 to ∼1550
nm. This one-pot chemistry thus provides a highly scalable synthesis
of organic color centers for many potential applications that require
large quantities of materials.
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Keywords
materialscalablecolor centerschlorosulfonic acid solution40 aniline derivativesaminobenzoic acid derivativesquantum information processingsynthesisOrganic Color Center-Tailored Semiconducting Carbon Nanotubes Organic color center-tailored semiconducting single-walled carbon nanotubestunableone-potcolor center-tailored nanotubesapplicationphotoluminescence
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