Light converting phosphor-based photocatalytic composites

Abstract

Light-conversion phosphor-based composites including up-conversion, down-conversion, and long afterglow phosphor-semiconductors for efficient photocatalysis are summarized.

MoSe2/ZnO/ZnSe hybrids for efficient Cr(VI) reduction under visible light irradiation

“…MoSe2 + hν → h + + e -Cr2O7 2 -+ 4h + + 6e -→ 2Cr 3+ + 7H 2 O 2H2O + 4h + → O2 + 4H + In photocatalysis, the adsorption of Cr(VI), light absorption, as well as charge transportation and separation are crucial factors [59,60]. Charge carrier transfer and separation play a decisive role in the catalytic reaction, which was investigated by electrochemical impedance spectroscopy (EIS).…”

Recent advances and prospects of persistent luminescent materials as inner secondary self-luminous light source for photocatalytic applications

“…Nowadays, with the continuous progresses in chemical-and physical-synthesis routes and in-depth understanding on the persistent working principle (i.e., the involved physics), we can easily design and manufacture numerous inorganic and organic MPLs with the persistent durations broadly ranging from several seconds up to several hours and even to several days in few special cases and the persistent spectral regions spreading from UV, visible, and to NIR light. Because of these unique persistent properties, a number of application opportunities in diverse fields have been discovered, including the photocatalysis [48][49], security and anti-counterfeiting purposes [50][51], solar energy [52], biosensing [53], information data storage [54], biological imaging [55][56] etc.…”

“…al. [48] reviewed the light-conversion phosphor-based composites for photocatalysis (i.e., up-conversion-, downconversion-, and afterglow-based phosphor composites), but they only listed four types of MPLs (CaAl2O4:Eu 2+ ,Nd 3+ ; SrAl2O4:Eu 2+ ,Nd 3+ ; BaAl2O4:Eu 2+ ,Nd 3+ ; BaZrO3:Mg 2+ ); Sakar et. al.…”

Hexagonal 2H-MoSe2 broad spectrum active photocatalyst for Cr(VI) reduction

“…During photocatalysis, the adsorption of Cr(VI), light absorption as well as the charge transportation and separation are crucial factors 43 44 . Figure 9 displays the nitrogen adsorption-desorption isotherms of M-1, M-2, M-3 and M-4.…”