New high-refractive-index organic/inorganic hybrid materials from sol-gel processing

Barium titanate dispersion obtained by a high pressure methods and light resistant composites containing the nanoparticles

“…9) However, transition metal alkoxides are very difficult to use since they are higher moisture sensitive compounds and very expensive. On the other hand, relatively large BTO particles can be prepared easily by the high pressure hydrothermal reaction between Ba(OH) 2 and TiO 2 . The prepared BTO was too agglomerated (more than 20 nm) to apply for transparent devices.…”

Hybrid thin films derived from UV-curable acrylate-modified waterborne polyurethane and monodispersed colloidal silica

“…Some special or novel properties can be acquired because of the effects of nanoparticles. Therefore, these materials could be widely used in the applications of protective coatings [8], high refractive index films [9][10][11][12], thin film transistor [13], light-emitting diodes [14][15][16], solar cell [17], optical waveguides materials [18][19], and photochromic materials [20].…”

“…Reinforcing of polymer is usually achieved in polymer composites by adding reinforcement such as fibers and particles to the polymer matrix, and some interesting results have been reported using polymer-clay nanocomposites [21], polymer-polyhedral oligomeric silsesquioxane nanocomposites [22], and organic-inorganic hybrids [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. Generally, there are two typical kinds of organic-inorganic nanocomposites.…”

“…This approach has an advantage of processing at relatively low temperature by using a solgel process [5,9,18]. One of the recently studied materials is PU/inorganic oxide.…”

Exploration on structural morphology and properties of novel poly(urethane-imide)/TiO2 bionanocomposites derived from L-tyrosine based diol

“…Since the refractive index of the polymers is usually in the range of 1.3-1.7, the application of polymers as high refractive index materials is limited [15][16][17][18][19]. Lately, the preparation of inorganic/organic hybrid materials with high refractive index has attracted substantial interest [20][21][22][23][24][25][26][27][28]. A technique for producing high refractive index nanocomposites and transparency in the fields of clear coatings, optical waveguides, and anti-reflection coatings for optical components was developed by incorporating premade inorganic colloidal particles into a polymer matrix.…”