Thermally treated carbon nanotube webs for effective n-type doping are used a flexible thermoelectric generator with high power output.

We suggest the fabrication of foldable thermoelectric (TE) materials by embedding conducting polymers into Au-doped CNT webs. The bundles, which are interconnected a direct spinning method to form 3D networks without interfacial contact resistance, provide both high electrical conductivity and carrier mobility. ZT value spun web is significantly enhanced through two simple processes. Decorating porous webs with Au nanoparticles increases conductivity, resulting in an optimal 0.163,...

Abstract For thermoelectric (TE) applications, the surface of exfoliated black phosphorus (BP) can be successfully functionalized with Au nanoparticles (NPs), leading to significantly enhanced TE performance for a controlled NP content. A facile and selective decoration metal species on defect sites BP is achieved by spontaneous formation NPs through redox reaction precursors. Such heterostructure provided enhances electrical conductivity (from 0.001 63.3 S cm −1 ) tuning charge carrier...

Abstract For miscible displacement under most reservoir conditions, due to the very low viscosity of CO2 phase, poor volumetric sweep efficiency is a critical weakness enhanced oil recovery (EOR). In this paper, dynamic process for generating nanoparticle-stabilized foam presented, which expected reduce mobility during EOR. This paper also describes factors nanoparticle concentration, CO2/brine ratio, and total injection rate effects on generation mobility. Dynamic supercritical was...

We demonstrate a PMMA reverse transfer method, where PMMA/graphene bilayer was reversely transferred onto target substrates, to better control both contamination and crack formation relative conventional approaches. Based on this novel process, the graphene sheet resistance greatly reduced by about 50% at same transmittance, exhibiting ∼200% higher efficiency when applied in solar cell as anode.

Abstract Research on flexible thermoelectric (TE) materials has typically focused conducting polymers and polymer‐based composites. However, achieving TE properties comparable in magnitude to those exhibited by their inorganic counterparts remains a formidable challenge. This study focuses the synthesis of silver selenide (Ag 2 Se) nanomaterials using solvothermal methods demonstrates significant enhancement through synergistic dual doping sulfur copper. Flexible thin films demonstrating...

ZnO was grown on nanoporous alumina monoliths by atomic layer deposition (ALD) from diethylzinc (DEZ) and water. The monolith has a cylindrical shape with length of 6.2 ± 2.0 mm diameter 1.93 0.78 mm, which the average pore specific surface area are 8.9 nm 256 m2/g, respectively. ALD process in monolith, aspect ratio is higher than 105, limited Knudsen diffusion DEZ within pores. minimum exposure time (τcy) for complete coverage predicted to be τcy = ρOHR2/4DeCo using shrinking core model...

Top-illuminated flexible polymer solar cells with 3D micoresonant cavity provide not only powerful light-trapping but also electrical enhancement, resulting in significant enhancement of power efficiency (26.4%). Capping layer (CL) enhanced the transmittance transparent electrodes, increasing electric field intensity photoactive by forming microresonant cavity, and nano-pattern on rear electrodes caused to Jsc improving light absorption charge collection.

In this work, we demonstrate the high-performance of a PEDOT:PSS free organic photovoltaic cell (OPVC) using an air-plasma modified ITO surface, followed by controlled solvent evaporation and annealing P3HT:PCBM photoactive layer. Ultraviolet photoelectron spectroscopy (UPS), X-ray (XPS), conductive atomic force microscopy (c-AFM) results show that work function was increased to as high (5.2 eV) after treatment, along with significantly enhanced electrical homogeneity. From dynamic secondary...

Highly efficient plasmonic Ag rear electrodes in top-illuminated PSCs employing MoO3/Ag (13 nm)/MoO3 stacks as top transparent were successfully demonstrated, resulting the significant enhancement of solar cell performance with a PCE up to 7.18%. The hemispherical nanostructured arrays effectively concentrate incident light within photoactive layer addition contributing extended stability robust structure.

Abstract Many emerging technologies urgently require powerful energy storage devices, and their development depends largely on advances in material performance to meet commercialization requirements. Here, the synthesis of a novel structure Ni–Fe layered double hydroxide (LDH) interconnected nanoweb is achieved at low temperature (100 °C) using wet‐chemistry method. The 3D porous consists nanowires produces very high specific capacitance 1656.0 F g −1 scan rate 1 mV s , which more than that...

With increasing attention on flexible or wearable power-conversion devices, intensive research efforts have been devoted to organic thermoelectric (TE) modules replace the brittle inorganic ones. In this study, a highly integrated and TE module with novel device architecture based carbon nanotube (CNT) web is proposed. The pristine CNT shows great electrical conductivity of 998.3 S cm–1 aligned structure, owing increased carrier mobility in longitudinal direction. To realize optimal...

We used plasma-enhanced chemical vapor deposition (PECVD) of allyltrimethylsilane (ATMS), consisting an allyl group along with three methyl groups attached to silicon, form a low dielectric constant (low-k) and high modulus SiCOH matrix. found that the mechanical properties low-k material are strongly affected by selection precursor, processing conditions such as temperature post-treatment, introduction second labile phase, structure composition films. After porogen (pore generator)...

Low-cost nickel-based hydroxides with multiple valence states are excellent alternative supercapacitor (SC) electrode materials. However, their practical application is severely restricted by poor conductivity and unstable reaction kinetics. In this study, a highly interconnected nickel carbonate hydroxide nanosheet-wire structure (Ni Ns-w) was prepared carefully controlling the urea content used during reflux synthesis. Compared to nanosheets, Ni Ns-w has high specific capacitance (1160.7 F...

This cover image depicts a flexible thermoelectric generator with excellent power output using gold-decorated black phosphorus (BP). In article number 1800532, Song Yun Cho and co-workers propose surface decoration gold nanoparticles to delicately tune the electronic properties of exfoliated BP. More importantly, it is observed that air stability BP dramatically improved by occupation its energetic defects nanoparticles.

We reports the comparison of blend morphologies nano-patterned photoactive films <italic>via</italic> two different techniques and its effects on performance OPVC.

We report here a new dual-coating method for the deposition of SiCOH (elementally descriptive but not representing stoichiometry) ATMS (allyltrimethylsilane) low-<italic>k</italic> films on mesoporous SiO₂ (SBA-15)/PEG (polyethylene glycol) composite to improve dielectric constant and mechanical properties SiCOH/SBA-15 dual forms.

Authors report methodical studies on some novel, alternative energy technologies, and produced results of a thermoelectric power generation (TEPG) system. For the sake evaluating critical (TE) features, they have invented state-of-the-art equipment that has important specification capability. The cover efficiency many aspects TEPG features as follows. A module is measured in situ includes TE efficiency, force response curve, current-voltage (I-V) power-voltage (P-V) characterization,...