Toward Dense Biotemplated Magnetic Nanoparticle Arrays: Probing the Particle−Template Interaction
| العنوان: | Toward Dense Biotemplated Magnetic Nanoparticle Arrays: Probing the Particle−Template Interaction |
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| المؤلفون: | Ute Queitsch, Ludwig Schultz, Bernd Rellinghaus, Anja Blüher, Christine Hamann, Franziska Schäffel, Michael Mertig |
| المصدر: | The Journal of Physical Chemistry C. 113:10471-10476 |
| بيانات النشر: | American Chemical Society (ACS), 2009. |
| سنة النشر: | 2009 |
| مصطلحات موضوعية: | Materials science, Nanoparticle, Nanotechnology, Surface energy, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Gas phase, General Energy, Chemical physics, Transmission electron microscopy, Lattice (order), Statistical analysis, Physical and Theoretical Chemistry, Surface protein, Particle deposition |
| الوصف: | We report on experiments to elucidate the underlying mechanism of the recently observed template-directed organization of gas phase deposited FePt nanoparticles into regular two-dimensional (2D) arrays on the bacterial surface protein layer (S-layer) of Bacillus sphaericus NCTC 9602. To this end, the size and charge state of the particles have been tuned prior to their deposition onto the S-layer, and the preferred particle deposition sites have been identified and correlated to the protein template lattice by means of statistical analysis of transmission electron microscopy images of the obtained hybrid structures. The experiments reveal that the match between the nanoparticle geometry and the regularly patterned template surface morphology is most important to achieve a high degree of nanoparticle ordering. Deposited nanoparticles were preferentially located at those sites where the S-layer surface exhibits hollows of appropriate size, so that the particle can reduce its surface free energy by maximizin... |
| تدمد: | 1932-7455 1932-7447 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::ac0b55f7ed99edfea1657ef7f93f7202Test https://doi.org/10.1021/jp9020992Test |
| رقم الانضمام: | edsair.doi...........ac0b55f7ed99edfea1657ef7f93f7202 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 19327455 19327447 |
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