ArticleNano letters2017
Absorption and Quantum Yield of Single Conjugated Polymer Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) Molecules.
Article in Nano letters, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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Who cites it
11 citing papers in PubMed, 49 citations in OpenAlex.
- Single 5-nm quantum dot detection via microtoroid optical resonator photothermal microscopy.Light, science & applications · 2024Article
- Photothermal Microscopy and Spectroscopy with Nanomechanical Resonators.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Review
- Nanomechanical Photothermal Near Infrared Spectromicroscopy of Individual Nanorods.ACS photonics · 2023Article
- Thousand-Fold Enhancement of Photothermal Signals in Near-Critical COThe journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- Optically Probing the Chirality of Single Plasmonic Nanostructures and of Single Molecules: Potential and Obstacles.ACS photonics · 2022Review
- Circular Dichroism Measurement of Single Metal Nanoparticles Using Photothermal Imaging.Nano letters · 2019Article
- Gel Trapping Enables Optical Spectroscopy of Single Solvated Conjugated Polymers in Equilibrium.ACS nano · 2019Article
- Chain length-dependent luminescence in acceptor-doped conjugated polymers.Scientific reports · 2019Article
- Drumming up single-molecule beats.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Effects of molecular architecture on morphology and photophysics in conjugated polymers: from single molecules to bulk.Chemical science · 2018Review
- Photobleaching of YOYO-1 in super-resolution single DNA fluorescence imaging.Beilstein journal of nanotechnology · 2017Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We simultaneously measured the absorption and emission of single conjugated polymer poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) molecules in a poly(methyl methacrylate) (PMMA) matrix using near-critical xenon to enhance the photothermal contrast for direct absorption measurements. We directly measured the number of monomers and the quantum yield of single conjugated polymer molecules. Simultaneous absorption and emission measurements provided new insight into the photophysics of single conjugated polymers under optical excitation: quenching in larger molecules is more efficient than in smaller ones. Photoinduced traps and defects formed under prolonged illumination lead to decrease of both polymer fluorescence and absorption signals with the latter declining slower.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.