TY - JOUR
T1 - Synthesis and color tuning of titanium oxide inorganic pigment by phase control and mixed-anion co-doping
AU - Cao, Jindi
AU - Hasegawa, Takuya
AU - Asakura, Yusuke
AU - Sun, Peng
AU - Yang, Shuo
AU - Li, Bin
AU - Cao, Wenbin
AU - Yin, Shu
N1 - Funding Information:
This research was supported by the KOSÉ Cosmetology Research Foundation, and by the Japan Society funded the present work for the Promotion of Science (JSPS) Grant-in-Aid for the Scientific Research (KAKENHI, No. 16H06439; 20H00297), also by the Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials in Network Joint Research Center for Materials and Devices.
Publisher Copyright:
© 2022 The Society of Powder Technology Japan
PY - 2022/5
Y1 - 2022/5
N2 - B and N co-doped anatase, rutile, and brookite TiO2 (abbreviated as BN-Ana, BN-Rut, and BN-Bro) were successfully synthesized. The apparent color of as-obtain BN-Ana, BN-Rut and BN-Bro was red, cyan and yellow-green, respectively. The mechanisms of various coloring were concluded as the different band gap configurations and the formation of covalent B-N bonding. The nitridation time expressed less effect on changing the color. On the contrary, nitridation temperature enabled the distinct color changes by altering the brightness. Lower temperature, fewer doping concentration, and brighter apparent color, vice versa. Through tuning the brightness, a gradient of yellow-orange-red was achieved in the case of BN-Ana, as well the transitions of grey-to-cyan and white-to-pale-yellow were achieved in BN-Rut and BN-Bro, respectively. This research proposed a method for the synthesis of color-full titania pigment without the addition of other toxic transition metal elements.
AB - B and N co-doped anatase, rutile, and brookite TiO2 (abbreviated as BN-Ana, BN-Rut, and BN-Bro) were successfully synthesized. The apparent color of as-obtain BN-Ana, BN-Rut and BN-Bro was red, cyan and yellow-green, respectively. The mechanisms of various coloring were concluded as the different band gap configurations and the formation of covalent B-N bonding. The nitridation time expressed less effect on changing the color. On the contrary, nitridation temperature enabled the distinct color changes by altering the brightness. Lower temperature, fewer doping concentration, and brighter apparent color, vice versa. Through tuning the brightness, a gradient of yellow-orange-red was achieved in the case of BN-Ana, as well the transitions of grey-to-cyan and white-to-pale-yellow were achieved in BN-Rut and BN-Bro, respectively. This research proposed a method for the synthesis of color-full titania pigment without the addition of other toxic transition metal elements.
KW - Co-doping
KW - Color-full titania
KW - Mixed anion compounds
KW - Pigment
UR - http://www.scopus.com/inward/record.url?scp=85128321660&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85128321660&partnerID=8YFLogxK
U2 - 10.1016/j.apt.2022.103576
DO - 10.1016/j.apt.2022.103576
M3 - Article
AN - SCOPUS:85128321660
SN - 0921-8831
VL - 33
JO - Advanced Powder Technology
JF - Advanced Powder Technology
IS - 5
M1 - 103576
ER -