Now showing items 1-10 of 14
A colorimetric logic gate based on free gold nanoparticles and the coordination strategy between melamine and mercury ions
A colorimetric logic gate based on free gold nanoparticles is presented with melamine and Hg2+, as well as its colorimetric detection of Hg2+ with good selectivity and sensitivity.
Semiconductive, one-dimensional, self-assembled nanostructures based on oligopeptides with π-conjugated segments
π Stacking between the β sheets: A newly designed π-conjugated peptide can be assembled into a one-dimensional nanostructure with strong π–π intermolecular electronic communication. A nanoelectronic device based on the ...
High-performance and tailorable pressure sensor based on ultrathin conductive polymer film
A highly sensitive and tailorable pressure sensor is designed based on the variation of contact resistance between an Au covered micropillar array and a conductive polymer film. The sensitivity of such pressure sensors can ...
Free-standing one-dimensional plasmonic nanostructures
The field of plasmonics has become one of the most interesting and active research areas in nanotechnology, enabling numerous fundamental studies and applications. The ability to tailor the size, shape, and environment of ...
Colorimetric chemodosimeter based on diazonium-gold-nanoparticle complexes for sulfite ion detection in solution
A fast and simple colorimetric detection system for sulfite, based on diazonium–gold-nanoparticle(AuNP) complexation, has high selectivity and sensitivity in aqueous media. The positively charged diazonium has affinity for ...
Single-layer MoS2 phototransistors
A new phototransistor based on the mechanically exfoliated single-layer MoS2 nanosheet is fabricated, and its light-induced electric properties are investigated in detail. Photocurrent generated from the phototransistor ...
Chemical reaction on a solid surface with nanoconfined geometry
Linear alkane polymerization is achieved on the Au(110) surface with 1D constrained nanochannels, which play a key role in the selective C–H activation and C–C bond coupling.
Visible photoresponse of single-layer graphene decorated with TiO2 nanoparticles
A simple method to fabricate a visible light-detectable hybrid nanodevice based on TiO2 nanoparticles and pristine graphene, ideally combining the advantages of both, is demonstrated. High photosensitivity of the hybrid ...
Synergistic modulation of surface interaction to assemble metal nanoparticles into two-dimensional arrays with tunable plasmonic properties
A simple strategy based on the synergistic modulation of inter-particle and substrate-particle interaction is applied for the large-scale fabrication of two-dimensional (2D) Au and Ag nanoparticle arrays. The surface charge ...
Flexible colorimetric detection of mercuric ion by simply mixing nanoparticles and oligopeptides
A colorimetric detection system for Hg2+ in aqueous media is developed with high selectivity and sensitivity based on the mixing of gold nanoparticles and oligopeptides. Oligopeptides with cysteine (Cys) at both ends ...