Deposition of BiOBr thin films by thermal evaporation and evaluation of its photocatalytic activity

TEMPO-mediated oxidized winter melon-based carbonaceous aerogel as an ultralight 3D support for enhanced photodegradation of organic pollutants

“…Several inert or active supports such as silica, zeolites, glass slides, Ti disk, Nafion membrane, activated carbon and graphitic carbon nitride were utilized to host granular nanocatalysts. [15][16][17][18][19][20] Li et al 15 utilized a Ti disk as a support to synthesize a double hierarchical structured BiOBr film exhibiting a strong RhB adsorption capacity and high light utilization efficiency. Mitchell et al 16 adopted a macroporous ZrO 2 support to fabricate chemically inert photonic ZrO 2 decorated with CdS nanoparticles to increase the yield of hydrogen production.…”

“…Mitchell et al 16 adopted a macroporous ZrO 2 support to fabricate chemically inert photonic ZrO 2 decorated with CdS nanoparticles to increase the yield of hydrogen production. Cuellar et al 17 used glass slides as substrates to prepare BiOBr thin films to eliminate the inconvenience of having to remove the photocatalyst from the aqueous medium. Zhang et al 19,20 applied g-C 3 N 4 sheets as a good support to develop highly efficient hierarchical g-C 3 N 4based composite photocatalysts in environmental pollution cleanup.…”

Multistep synthesis of AgBr quantum dots coupled porous BiOBr spheres for enhanced photocatalysis

“…Introduction: Bismuth oxybromide (BiOBr) as an important semiconductor material prefers to crystallise in tetragonal structure, a layered one to be accumulated by [Bi 2 O 2 ] 2+ slabs [1]. This structural feature together with a suitable band gap (2.75 eV) enables it a possible candidate for photocatalysis in the visible-light region [2][3][4]. Up to now various BiOBr micro/ nanostructures, including nanosheets [5][6][7][8], mesoporous structures [9,10], 3D hierarchical spheres [11][12][13][14][15][16][17], and four-leaf clover shape [18], have been successfully fabricated by means of one-step chemical synthesis, such as hydrothermal [6,7,11,13,18], solvothermal [9,10,12,16,17], ionic liquid-assisted [5,15], and microwave-assisted methods [9,14].…”