AI Article Synopsis
- The study examined Polar ZnO surfaces with O- and Zn-termination using advanced microscopy techniques, revealing that adsorbed fluid layers significantly influence their adhesion properties in air.
- The O-terminated surface was found to have a thicker fluid layer and higher particle density compared to the Zn-terminated surface, suggesting a difference in how they should be prepared for specific applications like epitaxy.
- The findings propose that these adsorbed fluid layers might play a crucial role in the growth of certain ZnO nanostructures, helping to clarify previous inconsistencies in research.
Article Abstract
Polar ZnO surfaces with O- and Zn-termination were studied with atomic and lateral force microscopy and force curves. Adsorbed fluid layers on both surfaces are found to dominate their adhesion properties in air. The hydrophilic O-surface has a substantially thicker adsorbed layer and larger residual particle densities. Our data suggest that different preparation is required for the two surfaces before use in epitaxy, and may resolve some contradictions in the literature. The data also indicate that adsorbed fluid layers may be important in the growth of certain ZnO nanostructures.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1088/0957-4484/15/12/018 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Rheology of dilute and semi-dilute non-Brownian suspensions made of irregular porous particles in a Newtonian fluid.
J Colloid Interface Sci
December 2024
Dept. of Engineering, University of Campania Luigi Vanvitelli, Real Casa dell'Annunziata, via Roma 29, 81031 Aversa, CE, Italy. Electronic address:
Hypothesis: The porosity affects the rheological response of porous particle suspensions.
Experiments: Non-Brownian suspensions of porous particles immersed in a Newtonian Polyisobutene are investigated. Three different particles, with different porosity, pore structure and similar size, and non-porous irregular particles are used.
Multiscale analysis of CO adsorption mechanisms on porous carbon: An investigation into the impact of intrinsic defects and pore size.
Environ Res
December 2024
School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing, 163318, China.
Porous carbon adsorption represents a critical component of CCUS technologies, with microporous structures playing an essential role in CO capture. The preparation of porous carbon introduces intrinsic defects, making it essential to consider both pore size and these defects for a comprehensive understanding of the CO adsorption mechanism. This study investigates the mechanisms of CO adsorption influenced by intrinsic defects and pore size using multiscale methods, incorporating experimental validation, Grand Canonical Monte Carlo simulations, and Density Functional Theory simulations.
View Article and Find Full Text PDF[Research progress in the adsorption of heavy metal ions from wastewater by modified biochar].
Sheng Wu Gong Cheng Xue Bao
December 2024
School of Life and Health Sciences, Hubei University of Technology, Wuhan 430068, Hubei, China.
The rapid development of modern industries is accompanied with the aggravating water heavy metal pollution, which poses a potential threat to the aquatic environment and the health of local populations. As an efficient and economical adsorbent, biochar demonstrates the adsorption capacity for heavy metal ions and its adsorption capacity is significantly enhanced after modification. Therefore, biochar can effectively mitigate environmental pollution.
View Article and Find Full Text PDFOptimization of adsorption performance by mesoporous materials developed from local clays and zeolite. Application in the treatment of real pharmaceutical effluents.
J Environ Sci Health B
January 2025
Laboratoire Génie Civil et d'Hydraulique, Université 8 Mai 1945, Guelma, Algeria.
The treatment of effluents from the pharmaceutical industry currently remains a major challenge due to their impact on the environment and public health along with the cost of treatments. Considering these issues, our work focused on the development of materials with effective adsorption properties to treat industrial effluents based on locally available and inexpensive clays and zeolite. Local Algerian kaolin (Djebel Debbagh), palygorskite (Ghoufi) and zeolite (Tinbdar) were treated thermally and chemically prior to synthesis into mesoporous materials of hexagonal structure using pluronic P123 as surfactant.
View Article and Find Full Text PDFUnlocking the adsorptive effectiveness of naturally occurring heulandite zeolite for the removal of PO and NO anions from wastewater.
Environ Monit Assess
December 2024
Department of Physical Sciences, Jaramogi Oginga Odinga University of Science and Technology, P.O Box 210, Bondo, 40601, Kenya.
The mitigation of high levels of phosphate (PO) and nitrate (NO) ions in water bodies, particularly in agricultural wastewater, holds paramount importance in curbing eutrophication within aquatic ecosystems. Herein, using experimental and computational techniques, the study explored the potential of naturally occurring South Africa heulandite (HEU) zeolite for the removal of PO and NO ions from synthetic wastewater in batch mode. The percentage removal of PO and NO was 59.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!