A new nanocomposite dielectric ink and its application in printed thin-film transistors

Formulation of Sol–Gel Derived Bismuth Silicate Dielectric Ink for Flexible Electronics Applications

“…One of the added advantage of printed technology compared to the photolithography driven conventional electronics is its rather simplicity in the fabrication 1 . Within short time since the last decade, printed electronics has made rapid strides both in low and high performance domains like flexible displays, smart labels, decorative paints 2 , antennas 3 , RFIDs 3 , fuel cells 4 , sensors 5,6 , solar cells 7 , thin film transistors (TFT) 8,9 , multilayer ceramic capacitors (MLCC) 10 etc. Different techniques such as screen printing, ink jet printing and gravure printing are commonly adopted for imprinting conducting, semiconducting and dielectric ink onto various substrates 11 .…”

“…High κ dielectric ink has a critical role in the large area electronics since it is a vital component in TFTs 8 . The other major areas where high κ inks have a potential role include dye-sensitized solar cells 16 , field effect transistors 17 , piezo and ferroelectric devices 18,19,20 and in SOFCs 21 .…”

Rapid Exfoliation and Surface Tailoring of Perovskite Nanosheets via Microwave‐Assisted Reactions

“…There is only one report where surface groups are covalently attached to nanosheets after exfoliation; this study involves the attachment of phenylphosphonate groups, where the entire process required over a week of reaction time (7 d exfoliation followed by 3 d of surface modification reaction) . In other cases, there is no actual covalent bond between the nanosheets and the surface groups or polymer chains; electrostatic interactions dominate these systems …”

“…more complicated assemblies of 2D structures for various applications. [46,48,49,[57][58][59][60][61][62][63][64][65][66][67][68][69][70][71][72][73] In some cases, fluorination [71,74] or doping [50,72,75] of thesep erovskites has been carried out prior to exfoliation to improve the conductivity or catalytic activity of the nanosheets.Once 2D nanosheets are obtained, they can be used as buildingb locks for more complicated structures, allowing for improved electronic, optoelectronic, catalytic, or mechanical properties of composite structures.I ntegration of these components can occur via 2D heterostructures (lateral and vertical), [15,[32][33][34][76][77][78][79] layer-by-layer assemblies, [6,73,[80][81][82][83][84][85][86][87][88][89][90][9...…”

“…[132,133] In other cases, there is no actual covalentb ond between the nanosheets and the surface groupso rp olymer chains;e lectrostatic interactions dominate theses ystems. [70,71,134,135] Rapid microwave-assisted (MA) methods have been found to be effective for organicm odification of bulk layered perovskites. [136][137][138][139] Herein we extend microwave methods to both the rapid exfoliation and post-exfoliation surface-modification of perovskite nanosheets.…”