cycloaddition

fiber

crystallization

photocatalytic activity

aneurysm

nitride

biocl

photocatalytic_71054

graphitic carbon nitride

s-scheme

enantioseparation

photocatalytic_69755

prostate_69347

shift work

g-c_56740

photocatalytic_72029

g-c_72069

vcsel

dehalogenase

einstein condensates

Journal of Colloid and Interface Science

Polymeric N -rich carbon nitride of C 3 N 5 is being utilized as a new visible-light-driven catalyst due to its narrower bandgap (∼2.0 eV). Building step-scheme (S-scheme) heterojunction by coupling with other semiconductors especially those own oxygen vacancies (OVs) can further upgrade the photocatalytic performance of C 3 N 5 -based photocatalysts. Herein, a novel S-scheme heterojunction of OVs mediated Bi 2 MoO 6 /C 3 N 5 was fabricated by in-situ growing Bi 2 MoO 6 nanoparticles with OVs on C 3 N 5 nanosheets. Benefiting from the efficient separation and transfer of high energetic charge carriers by S-scheme charge migration, enriched structural defects, as well as the close contact by the in-situ growth, the heterojunction exhibited superior visible-light photocatalytic performance toward the removal of tetracycline (TC) and Cr(VI) than C 3 N 5 , Bi 2 MoO 6 , and their mechanical mixture under visible light. The TC degradation routes and the bio-toxicity evolution of TC were explored. Moreover, the photocatalytic mechanism for TC decomposition and Cr(VI) reduction over Bi 2 MoO 6 /C 3 N 5 with OVs were elucidated. This work presents a newfangled vision for designing promising C 3 N 5 -based S-scheme heterojunction photocatalysts for pollution control.

Designing oxygen vacancy mediated bismuth molybdate (Bi2MoO6)/N-rich carbon nitride (C3N5) S-scheme heterojunctions for boosted photocatalytic removal of tetracycline antibiotic and Cr(VI): Intermediate toxicity and mechanism insight