Silicon
·
2025
·
IF 3.3
Li Zhaorui,Li Zhiqiang,Wu Yonghong,Zhu Wenle,Nie Lifang,Liu Juncheng
To improve the efficiency of solar cells, antireflective films require not only high optical properties but also high mechanical properties. The antireflective films were prepared by tetraethylorthosilicate (TEOS) and methyltriethoxysilane (MTES) as precursors and fatty alcohol polyoxyethylene ether (AEO) as the porogen. The microstructures, optical properties, and mechanical properties of the prepared antireflective films were examined. The results indicated that the AEO volume ratio had an obvious effect on film porosity, refractive index and average transmittance. With the increase of AEO content, the film’s porosity and the average transmittance firstly increased then decreased, the refractive index firstly decreased then increased in the wavelength range of 400–1100 nm. In the meanwhile, both the film’s surface hardness and adhesion strength increased with the increasing of the AEO addition. When the volume ratio of AEO is 45%, the porosity of the film is 48%,the refractive index value for 550 nm wavelength is 1.26and the maximum transmittance is 98.50%.The highest amount of light passing through a material, also known as transmittance, is recorded at an average of 91.98%within the wavelength range of 400–1100 nm, which is 4.64%higher than that of blank glass. In addition, the hardness of the film reaches the highest level for soft films 9H, and its adhesion strength also reaches the highest level of the tape method, 0 grade.
研究领域:
材料科学
·
太阳能技术
✓ 已验证
产品关联
DOI
高影响因子
CHINESE CHEMICAL LETTERS
·
2014
·
IF 1.178
Xiao-Lan Li,Dong-Ling Meng,Jiao Zhao,Ya-Ling Yang
This study aimed to establish a rapid analytical method to determine antioxidants in essence. A simple, efficient and practical, vortex-assisted, cloud-point extraction (VACPE) procedure is proposed for extracting and pre-concentrating four different of synthetic phenolic antioxidants (SPAs), propyl gallate (PG), tert -butylhydroquinone (TBHQ), butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) in essence prior to high performance liquid chromatography (HPLC) analysis. The non-ionic surfactant, fatty alcohol polyoxyethylene ether-9 (AEO-9), was used as extractant and vortex-mixing was utilized to reduce extraction time and improve extraction efficiency. The effective parameters of the extraction process, such as volume of extraction solvent, pH, vortex-mixing time, equilibration temperature and time, were optimized. Under the optimum conditions, the linear range of PG, TBHQ, BHA and BHT was 8.0–800 ng/mL. All correlation coefficients of the calibration curves were higher than 0.996 and relative standard deviations (RSD, n = 5) were 2.36%–5.46%. The proposed method was successfully applied to the extraction and determination of antioxidants in essence samples with satisfactory relative recoveries of 89.4%–103.5%. The results confirmed the SPAs of essence could be effectively monitored by this method and also established good reference criteria for essence.
研究领域:
分析化学
·
食品科学
✓ 已验证
产品关联
DOI
高影响因子
Biosensors-Basel
·
2024
·Vol. 14
·期 10
·505
·
IF 4.9
Zhenzhen Li,Lei Wang,Mengjie Tang,Yulong Sun,Li Zhang,Zhongxiu Chen
Triton X-100 (TX-100) is a commonly used surfactant in the manufacture of biosensors. The factors limiting the use of TX-100 in biosensors are environmental concerns. In this study, the binary system of sodium dodecyl benzene sulfonate (SDBS) and fatty alcohol-polyoxyethlene ether (AEO) was investigated from the physicochemical principle of surfactant interaction and its application in biosensors. The results demonstrated that a mixture of SDBS and AEO at an appropriate molar ratio had a comparable activity to TX-100 in terms of surface activity, micelle formation, dynamic adsorption, foaming, emulsifying, and cell permeability. Theory and experimentation support the idea that SDBS-AEO might take the place of TX-100 in the manufacturing of biosensors. This study contributes to the development of alternatives to TX-100 and provides a new perspective for an in-depth study of the interaction mechanism of additives in biosensor design.
研究领域:
材料科学
·
化学工程
·
生物技术
·
环境科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Silicon
·
2025
·
IF 3.3
Xing Yi,Liu Weili,Song Zhitang
To enhance silicon wafer surface quality and corrosion resistance during chemical mechanical polishing (CMP), this study develops a composite surfactant system combining nonionic AEO-9 and anionic ADBS. At an optimal AEO-9/ADBS molar ratio of 2:1, the formulation achieves low surface roughness (Ra = 0.135 \(nm\) ), a high material removal rate (MRR = 198 \(nm/min\) ), stable slurry dispersion, and peak corrosion inhibition efficiency of 93.3%. Synergistic effects at this ratio are confirmed by a negative interaction parameter ( \(\beta\) = − 1.90) and enhanced micellization. Adsorption between surfactant molecules and silicon wafer follows the Langmuir adsorption isotherm. Molecular dynamics simulations further reveal strong adsorption of surfactant molecules in a parallel orientation on the silicon surface, with a high binding energy of 337.2 \(kJ/mol\) , which improves wetting and water retention. This work presents a strategy integrating corrosion inhibition with surface quality optimization in CMP slurries, providing molecular-level insights into surfactant-assisted protection for designing high-efficiency, low-defect slurries for advanced wafer fabrication.
研究领域:
材料科学
·
半导体制造
·
表面化学
·
胶体与界面科学
·
计算材料科学
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）