التفاصيل البيبلوغرافية
| العنوان: |
Relating nanoscale structure to optoelectronic functionality in multiphase donor–acceptor nanoparticles for printed electronics applications. |
| المؤلفون: |
Al-Mudhaffer, Mohammed F., Holmes, Natalie P., Kumar, Pankaj, Barr, Matthew G., Cottam, Sophie, Crovador, Rafael, Jones, Timothy W., Lim, Rebecca, Zhou, Xiaojing, Holdsworth, John, Belcher, Warwick J., Dastoor, Paul C., Griffith, Matthew J. |
| المصدر: |
MRS Communications; Dec2020, Vol. 10 Issue 4, p600-608, 9p |
| مصطلحات موضوعية: |
OPTOELECTRONIC devices, NANOPARTICLES, LIGHT absorption |
| مستخلص: |
This work investigated the photophysical pathways for light absorption, charge generation, and charge separation in donor–acceptor nanoparticle blends of poly(3-hexylthiophene) and indene-C60-bisadduct. Optical modeling combined with steady-state and time-resolved optoelectronic characterization revealed that the nanoparticle blends experience a photocurrent limited to 60% of a bulk solution mixture. This discrepancy resulted from imperfect free charge generation inside the nanoparticles. High-resolution transmission electron microscopy and chemically resolved X-ray mapping showed that enhanced miscibility of materials did improve the donor–acceptor blending at the center of the nanoparticles; however, a residual shell of almost pure donor still restricted energy generation from these nanoparticles. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
