Track topics on Twitter Track topics that are important to you
With the development of portable electronic devices, highly efficient thermal management has become an important design consideration which requires good flexibility and excellent thermal conductivity. In this work, an integrated "modified-welding" method is used to deliver a flexible film with superior thermal conductivity. Firstly, graphene oxide (GO) is modified by 4,4'-diaminodiphenyl ether (ODA) through covalent bonding, aiming at providing reactive sites by polyimide (PI) on GO sheets for further in situ "modified-welding". The intercalated PI in mGO film layers serves as the solder to weld adjacent graphene sheets into large ones with less grain boundaries, leading to a superior in-plane thermal conductivity of the graphitized graphene/polyimide composite film (g-mGO/PI) which reaches 1352 ± 5 W m-1 K-1, 92.3% higher than that of the pristine graphitized graphene film (g-GO). Additionally, the g-mGO/PI film survives a 2000-cycle anti-bending test, which demonstrates excellent flexibility. Last but not least, the "modified-welding" strategy also provides an innovative way to develop graphene-based films for thermal management.
This article was published in the following journal.
Chemical vapor deposition (CVD) is considered to be an efficient method for fabricating large-area and high-quality graphene films due to its excellent controllability and scalability. Great efforts h...
The effective functionalization and self-assembly of MXene are of crucial importance for a broad range of nanomaterial applications. In this work, we investigated the aggregates of sulfanilic acid-mod...
Polymers with superior mechanical properties are desirable in many applications. In this work, polyethylene (PE) films reinforced with exfoliated thermally reduced graphene oxide (TrGO) fabricated usi...
Pressure-induced variations in the main chain and aggregation structures of colorless and transparent semialiphatic polyimide (PI) films were investigated by optical microscopy, UV-vis absorption, and...
The superior intrinsic mechanical properties of graphene have been widely studied and utilized to enhance the mechanical properties of various composite materials. However, it is still unclear how het...
M.M.A.TECH Ltd. product is an Acetabular Liner Family produced of an advanced polyimide - MP-1™. M.M.A.TECH Ltd. produces the Liners according to EN ISO 13485:2012 approved manufacturin...
The objective of this study is to evaluate the clinical performance of the new restorative F-Composite 2 system for Class I and Class II cavities that need to be restored in permanent teet...
Patients with a history of colorectal cancer and known or suspected liver metastases who are scheduled for contrast-enhanced tomographic imaging will be included in this study. After rando...
The study assesses the impact of the modified enhanced recovery protocol on the results of surgical treatment of patients with acute cholecystitis.
A multi-center post-market single arm prospective study of Parietene™ DS Composite Mesh in subjects undergoing ventral hernia repair to confirm its clinical safety and performance in the...
Works consisting of nonfiction films and video designed to teach, instruct, or train. (From Moving Image Materials: Genre Terms, 1988)
Works consisting of films, videos, and programs which depict actual persons or actual events. They do not include frank historical re-creations and do not attempt to judge the truth of the depiction in a film purporting to be factual or documentary in character. (From Moving Image Materials: Genre Terms, 1988)
Food derived from genetically modified organisms (ORGANISMS, GENETICALLY MODIFIED).
Examination of the portal circulation by the use of X-ray films after injection of radiopaque material.
Synthetic resins, containing an inert filler, that are widely used in dentistry.