Molecular catalyst functionalized semiconductor quantum dots (QDs) are a promising modular platform for developing novel hybrid photocatalysts. The interaction between adsorbed vibrations and the QD electron intraband absorption can influence photophysical properties of both catalysts potentially their photocatalysis. In CdSe QDs by CO2 reduction catalyst, Re(CO)3(4,4'-bipyridine-COOH)Cl, we observe that transient Fano resonance signal resulting from coupling CO stretching mode conduction...

Molybdenum disulfide (MoS2) two-dimensional nanostructures have been actively explored for ultrasmall transistors beyond graphene. The current prevailing methods producing MoS2 devices involve multiple wet chemistry steps, which not only are time consuming, but may also unfavorably affect material quality and impair device performance through the chemical processes. Here, authors report first dry-transferred pristine field-effect (FETs) without any post-transfer lithographical processes, by...

Attaching molecular catalysts to metal and semiconductor electrodes is a promising approach developing new catalytic with combined advantages of heterogeneous catalysts. However, the effect interfacial electric field on stability, activity, selectivity often poorly understood due complexity interfaces. In this work, we examine strength at binding site CO2 reduction including Re(S-2,2′-bipyridine)(CO)3Cl Mn(S-2,2′-bipyridine)(CO)3Br immobilized Au electrodes. The vibrational spectra are...

Transferring successful implementation strategies from research to practice requires approaches for assessing fidelity the strategy's core components. Implementation facilitation (IF) is a strategy involving an interactive process of problem-solving, enabling, and supporting individuals in efforts implement clinical innovations that occurs context recognized need improvement supportive interpersonal relationships. Because IF dynamic numerous activities, our objective was conduct rigorous...

ConspectusRhenium and manganese bipyridyl tricarbonyl complexes have attracted intense interest for their promising applications in photocatalytic electrocatalytic CO2 reduction both homogeneous heterogenized systems. To date, there been extensive studies on immobilizing Re catalysts solid surfaces higher catalytic efficiency, reduced catalyst loading, convenient product separation. However, order the molecular to achieve combination of best aspects heterogeneous catalysts, it is essential...

A well-known catalyst, fac-Re(4,4′-R2-bpy)(CO)3Cl (bpy = bipyridine; R COOH) (ReC0A), has been widely studied for CO2 reduction; however, its photocatalytic performance is limited due to narrow absorption range. Quantum dots (QDs) are efficient light harvesters that offer several advantages, including size tunability and broad in the solar spectrum. Therefore, photoinduced reduction over a range of spectrum could be enabled by ReC0A catalysts heterogenized on QDs. Here, we investigate...

Recent reports show [FeFe] hydrogenase mimics are active for the electrochemical reduction of CO 2 to formate (HCOO − ). Herein, with mimic [Fe (μ‐pdt)(CO) 6 , 1 where pdt = propane‐1,3‐dithiolate] in acetonitrile is reported. In presence weak acid, methanol (MeOH), reduces both (Faradaic Efficiency maximum [FE max ] 16 ± 6%) and HCOO (FE 20%) produces H 56 4%). Without added MeOH, reacts adventitious water form 85 1%), 7.8%), 7 3%) 3 2− being detected by infrared spectroscopy. Product...

The catalytic properties of Re(ethynyl-bpy)(CO)3Cl and Re(vinyl-bpy)(CO)3Cl were studied compared with those the previously reported Re(tBu-bpy))CO)3Cl. As a molecular catalyst, reduces CO2 to CO lower overpotential (η ≈ 0.525 V), higher selectivity for (FE 96%), reaction rate (Icat/Ip = 27) similar catalysts date. catalyst undergoes electropolymerization at surface glassy carbon electrode in dry acetonitrile solution, creating polymer film that is electroactive under atmosphere. In presence...

As the final piece of a broader study on structure–property performance SnO2 sensors, this examines sensors created from tin(IV) oxide (SnO2) nanowires and nanoparticles as function temperature for untreated (UT) devices well those treated using Ar/O2 H2O plasmas. Nanoparticle nanowire were exposed to air, carbon monoxide (CO), or benzene (C6H6) determine sensor response (Rair/Rgas) sensitivity (Rair/Rgas > 1 Rgas/Rair 1). Although both plasma modification minimally increase toward CO C6H6...

Strategic application of an array complementary imaging and diffraction techniques is critical to determine accurate structural information on nanomaterials, especially when also seeking elucidate structure–property relationships their effects gas sensors. In this work, SnO2 nanowires nanobrushes grown via chemical vapor deposition (CVD) displayed the same tetragonal structure as revealed powder X-ray bulk crystallinity data. Additional characterization using a range electron microscopy...

Background: To ensure appropriate transfer of successful implementation strategies from research to policy and practice, it is important use tools measure support fidelity an strategy’s core components. Unfortunately, this aspect science underdeveloped infrequently applied. Implementation facilitation (IF) a multifaceted interactive process problem-solving, enabling, supporting stakeholders in their efforts adopt incorporate clinical innovations into routine practice that occurs the context...

Although H2O plasmas are commonly used to enhance the surface oxygen content of various materials, our prior study found that plasma modification SnO2 nanomaterials resulted in reduction Sn+4 Sn0. To further explore this phenomenon and develop a deeper understanding mechanism for behavior, gas-phase species were detected via optical emission spectroscopy during processing (nominally an oxidizing environment), both with without substrates reactor. Gas-phase also reducing environment H2...

Surface immobilization of organometallic catalysts is a promising approach to developing new catalytic systems that combine molecular with heterogenous surfaces probe surface mechanisms. The orientation the catalyst relative one important parameter must be considered in such hybrid systems. In this work, we synthesize three sulfide-modified Ir piano-stool complexes bipyridine and phenylpyridine ligands for attachment Au(111) surfaces. Self-assembled monolayers made from...