The rapid development in nanotechnology has necessitated accurate and efficient assembly strategies for nanomaterials. Monolayer assembly of nanomaterials (MAN) represents a challenging and important architecture to manufacture and is critical in understanding interactions among nanomaterials, solvents, and substrates. MAN enables highly tunable performance in electronic and photonic devices. This review summarizes the recent progress on the methods to achieve MAN and discusses important control factors. Moreover, the importance of MAN is elaborated by a broad range of applications in electronics and photonics. In the end, the opportunities as well as challenges in manufacturing and new applications are outlooked.
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http://dx.doi.org/10.1002/smll.202312268 | DOI Listing |
Anal Chem
January 2025
Faculty of Environmental Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China.
Nanoplastics, emerging as pervasive environmental pollutants, pose significant threats to ecosystems and human health due to their small size and potential toxicity. However, detecting trace levels of nanoplastics remains challenging because of limitations in the current analytical methods. Herein, we propose a method that combines superhydrophobic enrichment with SERS analysis for detecting trace nanoplastics in aqueous environments.
View Article and Find Full Text PDFCarbohydr Polym
March 2025
Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Key Laboratory of Industry Microbiology, Hubei Collaborative Innovation Center of Industrial Fermentation, Hubei University of Technology, Wuhan 430068, China; Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK. Electronic address:
The traditional foams can only block heat loss, and cannot effectively store and release heat energy on demand to extend the insulation time. In this work, the paraffin-rich monolayer microcapsules were prepared using negatively charged phosphorylated cellulose nanofibers (CNF) as the emulsifier of Pickering emulsion. The positive chitosan was assembled on the surface of the monolayer microcapsules through an electrostatic layer-by-layer self-assembly method to prepare the bilayer microcapsules.
View Article and Find Full Text PDFCommun Eng
January 2025
The School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China.
Limited by the adsorption and diffusion rate of water molecules, traditional humidity sensors, such as those based on polymer electrolytes, porous ceramics, and metal oxides, typically have long response times, which hinder their application in monitoring transient humidity changes. Here we present an ultrafast humidity sensor with a millisecond-level response. The sensor is prepared by assembling monolayer graphene oxide quantum dots on silica microspheres using a simple electrostatic self-assembly technique.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Shanghai Key Laboratory of Functional Materials Chemistry, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China.
Currently, the development of polymeric hole-transporting materials (HTMs) lags behind that of small-molecule HTMs in inverted perovskite solar cells (PSCs). A critical challenge is that conventional polymeric HTMs are incapable of forming ultra-thin and conformal coatings like self-assembly monolayers (SAMs), especially for substrates with rough surface morphology. Herein, we address this challenge by designing anchorable polymeric HTMs (CP1 to CP5).
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou, Henan 450001, PR China; School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan 450001, PR China; Luoyang Industrial Technology Institute, Luoyang, Henan 471132, PR China; The Key Lab of Critical Metals Minerals Supernormal Enrichment and Extraction, Ministry of Education, Zhengzhou, Henan 450001, PR China.
An efficient adsorbent for Ga(III) recovery was developed by applying the geochemical principles of Ga mineralization, using Al-rich clay minerals with a natural affinity for Ga as the raw material. Sodium alginate (SA) facilitated the cross-linked assembly of montmorillonite nanosheets (MMTNS), forming a three-dimensional structured hydrogel. This was achieved through electrostatic interactions between -OH groups on the edges of MMTNS and -COO groups in SA, as well as the complexation of Ca and -COO groups.
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