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Co0.2Cd0.8S/Mn0.2Cd0.8S S-Scheme Heterojunction Promoting Directed Charge Separation and Boosting Photocatalytic Hydrogen Production

Constructing S-scheme heterojunctions is an effective strategy for enhancing photocatalytic efficiency. In this study, a Co0.2Cd0.8S/Mn0.2Cd0.8S S-scheme heterostructure was successfully prepared via a facile physical mixing method. Compared with pristine Co0.2Cd0.8S and Mn0.2Cd0.8S, the CM25 (the mass ratio of Co0.2Cd0.8S to Mn0.2Cd0.8S is 25%) composite exhibited significantly superior performance in photogenerated charge-carrier separation and reduced charge-transfer resistance. X-Ray phot...

D–A–π–A Fused Pentacyclic Organic Dyes as Sensitizers for Dye‐Sensitized Solar Cells Operating under Low‐Light Conditions

In this work, the highly conjugated pentacyclic [1]benzothieno[3,2-b]thieno[2,3-f][1]benzothiophene (TBTBT) moiety has been introduced, for the first time, as a mild donor group in the structure of three donor-acceptor organic dyes, named PCD1-3. After dye design assisted by DFT and TD-DFT computational studies, the fused TBTBT system with the appropriate substitution pattern was synthesized by means of a three-step sequence, featuring a Pd-catalyzed direct arylation of 1-bromo-2-(methylsulfi...

Work Function Difference-Driven Type-I Heterojunction: Efficient Interfacial Charge Transfer for Photocatalytic Hydrogen Evolution

Photocatalytic hydrogen evolution represents a significant approach for converting solar energy into chemical energy. Nevertheless, conventional type-I heterojunctions face a bottleneck in charge recombination. In this study, a type-I heterojunction composed of CdS and COF, which exhibits a charge transfer mechanism similar to that of the ohmic junction, was fabricated via mechanical grinding. Distinct from the conventional type-I heterojunction, this system leverages the work function differ...

A disposable label-free MXene/graphene-based aptasensor for the electrochemical detection of Cystatin C in human sweat

Cystatin C is a key biomarker for assessing kidney disease since its level increases in response to renal dysfunction. Current techniques detect Cystatin C in plasma, saliva, and urine, but the detection in sweat has not been explored. This paper describes a disposable label-free 2D nanomaterial-based aptasensor for assessing Cystatin C levels in human sweat. The aptasensor consisted of an aptamer immobilized on a Ti3C2–rGO layer for the non-invasive label-free electrochemical detection of Cy...

Database of HVSR Measurements Across the Mt. Etna (Sicily, Italy)

The Mt. Etna is characterized by complex geological, volcanic and seismological dynamics, makinggeophysical site characterization particularly challenging.This work presents a harmonized database of Horizontal‑to‑Vertical Spectral Ratio (HVSR) measurements acquired across multiple municipalities in the Etna area, including both urban and rural sites. The dataset integrates field surveys conducted by different teams using standardized acquisition and processing procedures. ...

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Prodotti recenti

Co0.2Cd0.8S/Mn0.2Cd0.8S S-Scheme Heterojunction Promoting Directed Charge Separation and Boosting Photocatalytic Hydrogen Production

D–A–π–A Fused Pentacyclic Organic Dyes as Sensitizers for Dye‐Sensitized Solar Cells Operating under Low‐Light Conditions

Work Function Difference-Driven Type-I Heterojunction: Efficient Interfacial Charge Transfer for Photocatalytic Hydrogen Evolution

A disposable label-free MXene/graphene-based aptasensor for the electrochemical detection of Cystatin C in human sweat

Database of HVSR Measurements Across the Mt. Etna (Sicily, Italy)

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