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Article
Multinary copper-based chalcogenide semiconductor nanocrystals: synthesis and applications in light-emitting diodes and bioimaging
Colloidal semiconductor nanocrystals have been extensively used for illumination, displays, bioimaging, and other fields. However, the most extensively used Cd-based nanocrystals are toxic. Recently, non-toxic...
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Article
Open AccessA General One-Pot Approach to Synthesize Binary and Ternary Metal Sulfide Nanocrystals
A general one-pot approach is developed to synthesize a series of binary metal sulfide nanocrystals (NCs) including PbS, Cu2S, ZnS, CdS, Ag2S, and ternary CuInS2 and CdS:Cu(I) NCs. This synthetic approach involve...
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Article
Open AccessHeating-up Synthesis of MoS2 Nanosheets and Their Electrical Bistability Performance
Molybdenum disulfide (MoS2) nanosheets were synthesized by using a simple heating-up approach, in which 1-dodecanethiol (DDT) was used not only as a sulfur source but also as the surface ligand. The sheet-like mo...
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Article
Open AccessOxygen Effects on Performance of Electrically Bistable Devices Based on Hybrid Silver Sulfide Poly(N-vinylcarbazole) Nanocomposites
An organic/inorganic bistable device is fabricated by using a simple spin-coating technique, in which the hybrid silver sulfide (Ag2S) poly(N-vinylcarbazole) (PVK) nanocomposite film is sandwiched between two ele...
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Article
Determination of HOMO levels of organic dyes in solid-state electrochemistry
The solid-state electrochemistry of organic dyes, TT(2-cyano-3-(4-hexyl-5-dimethyltriphenylamine-thien-2-yl)acrylic acid), TTNa(2-cyano-3-(4-hexyl-5-dimethyltriphenylamine-thien-2-yl)acrylic acid sodium salt),...
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Article
Open AccessNegative differential resistance and carrier transport of electrically bistable devices based on poly(N-vinylcarbazole)-silver sulfide composites
An electrically bistable device has been fabricated based on poly(N-vinylcarbazole) (PVK)-silver sulfide (Ag2S) composite films using a simple spin-coating method. Current–voltage (I-V) characteristics of the as-...
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Article
Surface plasmonic effect and scattering effect of Au nanorods on the performance of polymer bulk heterojunction solar cells
The surface plasmonic effect and scattering effect of gold nanorods (AuNRs) on the performance of bulk heterojunction photovoltaic devices based on the blend of polythiophene and fullerene are investigated. Au...
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Article
Electrical bistability and charge-transport mechanisms in cuprous sulfide nanosphere-poly(N-vinylcarbazole) composite films
In this study, electrically bistable devices were fabricated by incorporating cuprous sulfide (Cu2S) nanospheres with mean size less than 10 nm into a poly(N-vinylcarbazole) (PVK) matrix. A remarkable electrical ...
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Article
Hybrid P3HT/CdSe Photovoltaic Cells: Effects of Nanocrystal Size and Device Aging
Hybrid solar cells based on conjugated polymers and colloidally synthesized inorganic nanoparticles have been recognized as an alternative to all-organic solar cells due to the intrinsically higher charge tran...
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Article
Open AccessEffect of ZnCdTe-Alloyed Nanocrystals on Polymer–Fullerene Bulk Heterojunction Solar Cells
The photovoltaic properties of solar cell based on the blends of poly[2-methoxy-5-(2-ethylhexoxy-1,4-phenylenevinylene) (MEH-PPV), fullerene (C60), and ZnCdTe-alloyed nanocrystals were investigated. Comparing ...
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Article
Open AccessInvestigation on Photovoltaic Performance based on Matchstick-Like Cu2S–In2S3Heterostructure Nanocrystals and Polymer
In this paper, we synthesized a novel type II cuprous sulfide (Cu2S)–indium sulfide (In2S3) heterostructure nanocrystals with matchstick-like morphology in pure dodecanethiol. The photovoltaic properties of the h...
