التفاصيل البيبلوغرافية
| العنوان: |
Surface Site Density of Synthetic Goethites and Its Relationship to Atomic Surface Roughness and Crystal Size |
| المؤلفون: |
Kenneth J. T. Livi (11126248), Mario Villalobos (1406809), Quentin Ramasse (2225560), Rik Brydson (1298412), Hugo Slavko Salazar-Rivera (14303222) |
| سنة النشر: |
1753 |
| مصطلحات موضوعية: |
Biophysics, Biotechnology, Ecology, Infectious Diseases, Computational Biology, Environmental Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, total site density, dominant factor controlling, absorption site density, 40 – 75, surface site density, specific surface area, scale surface roughness, increasing surface roughness, decreasing crystal length, synthetic goethite increases, atomic surface roughness, surface roughness, surface structure, synthetic goethites, width ratio, ssa range, ssa )], results show, relative proportions, intermediate sizes, adsorb elements |
| الوصف: |
The capacity for crystals to adsorb elements and molecules is a function of the structures of their crystal faces and the relative proportions of those faces. More importantly, this study shows that the surface structure of crystal faces is affected by their surface roughness and is the dominant factor controlling the absorption site density. In a continuation of the study of synthetic goethites with varying single crystal size distributions, two more synthetic goethites with intermediate sizes were analyzed by Brunauer–Emmett–Teller (BET) and atomic-resolution scanning transmission electron microscopy (STEM) to determine the effects of crystal size on their shape, atomic-scale surface roughness, and ultimately on their total surface site density. Results show that surface roughness scales directly with the size [or inversely with the specific surface area (SSA)] of synthetic goethites in the SSA range of 40–75 m 2 /g. This surface roughness, in turn, increases the total site density over ideal atomically smooth crystals. The total site density of synthetic goethite increases from a combination of decreasing crystal length/width ratio and increasing surface roughness. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
unknown |
| Relation: |
https://figshare.com/articles/journal_contribution/Surface_Site_Density_of_Synthetic_Goethites_and_Its_Relationship_to_Atomic_Surface_Roughness_and_Crystal_Size/21781523 |
| DOI: |
10.1021/acs.langmuir.2c02818.s001 |
| الاتاحة: |
https://doi.org/10.1021/acs.langmuir.2c02818.s001 |
| Rights: |
CC BY-NC 4.0 |
| رقم الانضمام: |
edsbas.3F4EC47E |
| قاعدة البيانات: |
BASE |