Some of Bi-based compounds and nanocomposites synthesized by various methods
and applied in photoelectrochemical and photocatalytic water splitting are reported
in Table. 10.4.
10.4 Conclusions and Prospects
Some of special properties of Bi-based semiconductors, such as narrow band gap,
layered structures, and controllable morphologies, have attracted more attentions
from researchers in photocatalyst field. Almost all of Bi-based photocatalysts type
and the catalytic applications have been discussed in this chapter. According to some
challenges about Bi-based photocatalytic compounds, noted as fast recombination
rate of electronsÀhole and low light adsorption and practical approaches suggested
to defeat the related challenges. Furthermore, main accomplished works until now
have been summarized within morphology control and heterojunctions. However,
probable problems for using Bi-based semiconductors can be disappeared, but
further studies are still needed to improve the related progresses. Future works
could be focused on below issues:
1. Until now, significant applications of BiÀnanomaterials can be highlighted as
destruction of organic polluters and bacteria of wastewater and purification of air
through denitration. Preparation of ZÀscheme structures can be nominated as an
applicable method for increasing the H 2 generation via photoactivated water
splitting under solar light. Further works try to develop advanced
BiÀnanomaterials to improve the applicable arena such as photocatalytic
synthetization of organic compounds and photoactivated reduction for elimination of heavy metals.
2. Pragmatic applications of photocatalysts based on bismuth compounds are rarely
storied. Designing the new applicable photocatalytic reactor can permanently
precipitate the scale-up process. It can represent the potential industrialization
capability of the advanced BiÀnanomaterial. Moreover, establishing of experiments by a solar simulator instead of a bulb shows the more reality of solaractivated photocatalysis performance of mentioned compounds.
3. The applicable fields along with further advancements can be propagated through
consolidation of different useful techniques such as electrochemistry, membrane
technique, and biotechnology. Despite many of bismuth-based semiconductors
establish remarkable photoactivity efficiency induced by solar/visible light, they
are far from full-fledged commercialization of the advanced nanomaterial. The
perfect promised and interesting properties of Bi-based compounds can gift a
bright future within environmental aspects and renewable energy sources.
10 Bismuth-Based Compounds as Visible Light Photocatalyst for Remediation and. . .
347
and applied in photoelectrochemical and photocatalytic water splitting are reported
in Table. 10.4.
10.4 Conclusions and Prospects
Some of special properties of Bi-based semiconductors, such as narrow band gap,
layered structures, and controllable morphologies, have attracted more attentions
from researchers in photocatalyst field. Almost all of Bi-based photocatalysts type
and the catalytic applications have been discussed in this chapter. According to some
challenges about Bi-based photocatalytic compounds, noted as fast recombination
rate of electronsÀhole and low light adsorption and practical approaches suggested
to defeat the related challenges. Furthermore, main accomplished works until now
have been summarized within morphology control and heterojunctions. However,
probable problems for using Bi-based semiconductors can be disappeared, but
further studies are still needed to improve the related progresses. Future works
could be focused on below issues:
1. Until now, significant applications of BiÀnanomaterials can be highlighted as
destruction of organic polluters and bacteria of wastewater and purification of air
through denitration. Preparation of ZÀscheme structures can be nominated as an
applicable method for increasing the H 2 generation via photoactivated water
splitting under solar light. Further works try to develop advanced
BiÀnanomaterials to improve the applicable arena such as photocatalytic
synthetization of organic compounds and photoactivated reduction for elimination of heavy metals.
2. Pragmatic applications of photocatalysts based on bismuth compounds are rarely
storied. Designing the new applicable photocatalytic reactor can permanently
precipitate the scale-up process. It can represent the potential industrialization
capability of the advanced BiÀnanomaterial. Moreover, establishing of experiments by a solar simulator instead of a bulb shows the more reality of solaractivated photocatalysis performance of mentioned compounds.
3. The applicable fields along with further advancements can be propagated through
consolidation of different useful techniques such as electrochemistry, membrane
technique, and biotechnology. Despite many of bismuth-based semiconductors
establish remarkable photoactivity efficiency induced by solar/visible light, they
are far from full-fledged commercialization of the advanced nanomaterial. The
perfect promised and interesting properties of Bi-based compounds can gift a
bright future within environmental aspects and renewable energy sources.
10 Bismuth-Based Compounds as Visible Light Photocatalyst for Remediation and. . .
347