electrothermal local annealing via graphite joule

Volume 5 Issue 1

of the as-cast film. A first characterization of the solar cell [ITO/PEDOT: PSS/DT-DPP(TVT) 2: PC 61 BM/Al] produces a power conversion efficiency of ∼3% with V OC ≈0.78 V, J SC ≈7.91 mA cm −2, and FF≈48.7%, under simulated AM1.5G with an illumination intensity of 100 mW cm −2. It should be noted that the thermal effect on the thin film absorption of DT-DPP(TVT) 2 does not seem to

Electrothermal Local Annealing via Graphite Joule Heating

A simple but powerful device platform for electrothermal local annealing (ELA) via graphite Joule heating on the surface of transition-metal dichalcogenide, is suggested here to sustainably restore intrinsic electrical properties of atomically thin layered materials. Such

Electrothermal Local Annealing via Graphite Joule Heating

A simple but powerful device platform for electrothermal local annealing (ELA) via graphite Joule heating on the surface of transition-metal dichalcogenide, is suggested here to sustainably restore intrinsic electrical properties of atomically thin layered materials.

Robotics and radiation hardening in the nuclear industry

Graphite stack 3. 10-2 Diagrid region 2. 10-4 to 2. 10-3 Boiler region 10-4 to 10-3 Vessel concrete 10-4 Standpipe region 10-4 to 10-3 generations, electrons and holes travel in the bulk under the influence of the local electric field. The mobility of electrons is

Assembly of carbon nanodots in graphene

2019/8/8A high-efficiency electro-thermal heater requires simultaneously high electrical and thermal conductivities to generate and dissipate Joule heat efficiently. A low input voltage is essential to ensure the heater's safe applications. However, the low voltage generally leads to low saturated temperature and heating rate and hence a low thermal efficiency. How to reduce the input voltage while

Journal of Ma terials Chemistry C

pyrolysis at 1450 C with an enough long annealing time of 1 h, which was attributed to the minimization of the surface energy induced by high-temperature annealing. 35 As compared to current synthesis procedure ( i.e., heating up to 1550 C followed by cool down from 1550 to 1100 C without

Electrothermal Local Annealing via Graphite Joule Heating

A simple but powerful device platform for electrothermal local annealing (ELA) via graphite Joule heating on the surface of transition-metal dichalcogenide, is suggested here to sustainably restore intrinsic electrical properties of atomically thin layered materials. Such

Graphene

The natural flake graphite (average lateral size ∼ 50 μm) was kindly supplied by Graphexel Limited, UK. Sodium deoxycholate (SDC) powder was purchased from Sigma Aldrich, UK. The glass fibre roving (Glass S, 758-AB-675) was purchased from AGY (USA). 290 gsm (grams per square meter) plain woven glass fabrics, EL2 Epoxy Laminating Resin and AT30 Epoxy Hardener were purchased from Easy

Joule Heating Characteristics of Emulsion‐Templated

2014/9/30The Joule heating properties of an ultralight nanocarbon aerogel are investigated with a view to potential applications as energy‐efficient, local gas heater, and other systems. Thermally reduced graphene oxide (rGO) aerogels (10 mg cm −3) with defined shape are produced via

Applied Nanoscience

2021/4/27Online first articles listing for Applied Nanoscience Effect of nano-metal oxides (ZnO, Al 2 O 3, CuO, and TiO 2) on the corrosion behavior of a nano-metal oxide/epoxy coating applied on the copper substrate in the acidic environment Authors (first, second and last of

SolubilityofCarboninNanocrystalline α

interior in equilibrium with graphite local variation of the carbon concentration but only a weak size effect on the average carbon solubility is found. While the extent of − x C [at.%] 0.001 0 0 0.05 0.1 x global C 1 0 20 nm 10 nm 1/D (nm−1) Figure 3: Average x C x

Ultrastrong Graphene Films via Long

An inexpensive low-temperature process is demonstrated to fabricate resin-free, ultrastrong, supertough, and highly conductive graphene films with ultrahigh electromagnetic interference shielding capability via long-chain π-bridging. The graphene films have record in-plane strength as strong as cross-plied carbon fiber composites and much greater ability to absorb mechanical energy and resist

Journal of Ma terials Chemistry C

pyrolysis at 1450 C with an enough long annealing time of 1 h, which was attributed to the minimization of the surface energy induced by high-temperature annealing. 35 As compared to current synthesis procedure ( i.e., heating up to 1550 C followed by cool down from 1550 to 1100 C without

Nanomaterials

In this study, we report a facile and green process to synthesize high-quality and few-layer graphene (FLG) derived from graphite via a liquid exfoliation process. The corresponding characterizations of FLG, such as scanning electron microscopy (SEM), transmission electron microscope (TEM), atomic force microscopy (AFM) and Raman spectroscopy, were carried out.

Joo's Group

[36] (Corresponding author) "Electrothermal Local Annealing via Graphite Joule Heating on Two-Dimensional Layered Transistors", ACS Appl. Mater. Interfaces ( 2018 ) . [35] "Hydrothermal synthesis of stable 1T‐WS 2 and single walled carbon nanotube hybrid flexible thin films with highly enhanced thermoelectric performance", Energy Technol. (2018).

Niobium pentoxide based materials for high rate

The demand for high rate energy storage systems is continuously increasing driven by portable electronics, hybrid/electric vehicles and the need for balancing the smart grid. Accordingly, Nb 2 O 5 based materials have gained great attention because of their fast cation intercalation faradaic charge storage that endows them with high rate energy storage performance.

Graphene supercapacitor with both high power and

2017/10/4With improvements in the exfoliation and reduction techniques of graphite oxide (GO), graphene-based materials can be produced in largescale at a very low cost. A variety of oxidation-exfoliation methods have been employed to minimize the agglomeration between the graphene sheets, such as chemical reduction [ 14, 19 ], microwave irradiation [ 20 ], thermal annealing [ 21, 22 ], and

Highly electroconductive lightweight graphene fibers with

Fast, energy-saving electrothermal annealing for healing defects of graphene fibers. • Sequential continuous Joule heating for developing next-generation conductors. • Large-scale production and systematic control of inner structure of graphene fibers. • Delineation of

Graphene related materials for thermal management

2019/10/22In spite of all the merits of high temperature annealing, there are also some issues in the GF annealing process that need to be addressed. For instance, the decomposition of oxygen groups leads to the formation of CO 2 or CO gases which can increase the layer distance and even forms air pockets (as shown in figure 4 ) that will decrease the alignment of graphene flakes in the film [ 40 ].

Assembly of carbon nanodots in graphene

2019/8/8A high-efficiency electro-thermal heater requires simultaneously high electrical and thermal conductivities to generate and dissipate Joule heat efficiently. A low input voltage is essential to ensure the heater's safe applications. However, the low voltage generally leads to low saturated temperature and heating rate and hence a low thermal efficiency. How to reduce the input voltage while

Niobium pentoxide based materials for high rate

The demand for high rate energy storage systems is continuously increasing driven by portable electronics, hybrid/electric vehicles and the need for balancing the smart grid. Accordingly, Nb 2 O 5 based materials have gained great attention because of their fast cation intercalation faradaic charge storage that endows them with high rate energy storage performance.

Graphene

The natural flake graphite (average lateral size ∼ 50 μm) was kindly supplied by Graphexel Limited, UK. Sodium deoxycholate (SDC) powder was purchased from Sigma Aldrich, UK. The glass fibre roving (Glass S, 758-AB-675) was purchased from AGY (USA). 290 gsm (grams per square meter) plain woven glass fabrics, EL2 Epoxy Laminating Resin and AT30 Epoxy Hardener were purchased from Easy

Niobium pentoxide based materials for high rate

The demand for high rate energy storage systems is continuously increasing driven by portable electronics, hybrid/electric vehicles and the need for balancing the smart grid. Accordingly, Nb 2 O 5 based materials have gained great attention because of their fast cation intercalation faradaic charge storage that endows them with high rate energy storage performance.

Graphene

The natural flake graphite (average lateral size ∼ 50 μm) was kindly supplied by Graphexel Limited, UK. Sodium deoxycholate (SDC) powder was purchased from Sigma Aldrich, UK. The glass fibre roving (Glass S, 758-AB-675) was purchased from AGY (USA). 290 gsm (grams per square meter) plain woven glass fabrics, EL2 Epoxy Laminating Resin and AT30 Epoxy Hardener were purchased from Easy

Recycling End

2019/10/16The wide adoption of electric vehicles leads to large amounts of spent lithium-ion batteries in the near future. The needs and options to handle these spent batteries are discussed in the paper. Recycling is one of the possible options by extracting valuable materials and reducing pollutants. Along with discussion of the recent academic innovations and industrial demonstrations of recycling

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