High‐Throughput Single‐Nanowire Optoelectronic Characterization Using Microfluidic Technology
Technologies relying on single optoelectronic nanoparticles require characterization of individual particle performance, often demanding destructive dispersal of particles from solution. A microfluidic chip with an ultrathin channel (8 μm) provides a platform for the sequential high‐speed single‐par...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley-VCH
2025-07-01
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| Series: | Advanced Photonics Research |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/adpr.202500050 |
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| Summary: | Technologies relying on single optoelectronic nanoparticles require characterization of individual particle performance, often demanding destructive dispersal of particles from solution. A microfluidic chip with an ultrathin channel (8 μm) provides a platform for the sequential high‐speed single‐particle characterization of functional nanomaterials using correlative spectroscopy and imaging. This platform is shown to allow study of semiconductor nanowires with measurement rates of up to 240 nanowires/minute in continuous operation, enabling a dramatically improved and statistically robust comparison of intrawire disorder with interwire homogeneity. An analysis of over 15 k GaAs/AlGaAs nanowires reveals that ensemble measurements overestimate the full‐width at half‐maximum of emission by more than 4× and statistical dispersion of electronic disorder by 28%, demonstrating the importance of single‐particle studies. |
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| ISSN: | 2699-9293 |