Preethi LK, Mathews T (2019) Electrochemical tuning of heterojunctions in TiO 2 nanotubes for
efficient solar water splitting. Cat Sci Technol 9:5425–5432. https://doi.org/10.1039/
C9CY01216H
Preethi LK, Antony RP, Mathews T, Loo SCJ, Wong LH, Dash S, Tyagi AK (2016) Nitrogen
doped anatase-rutile heterostructured nanotubes for enhanced photocatalytic hydrogen production: promising structure for sustainable fuel production. Int J Hydrog Energy 41:5865–5877.
https://doi.org/10.1016/j.ijhydene.2016.02.125
Preethi LK, Antony RP, Mathews T, Walczak L, Gopinath CS (2017a) A study on doped
Heterojunctions in TiO 2 nanotubes: An efficient Photocatalyst for solar water splitting. Sci
Rep 7:14314. https://doi.org/10.1038/s41598-017-14463-0
Preethi LK, Mathews T, Nand M, Jha SN, Gopinath CS, Dash S (2017b) Band alignment and
charge transfer pathway in three phase anatase-rutile-brookite TiO 2 nanotubes: An efficient
photocatalyst for water splitting. Appl Catal B Environ 218:9–19. https://doi.org/10.1016/j.
apcatb.2017.06.033
Quek J-A, Lam S-M, Sin J-C, Mohamed AR (2018) Visible light responsive flower-like ZnO in
photocatalytic antibacterial mechanism towards Enterococcus faecalis and Micrococcus luteus.
J Photochem Photobiol B Biol 187:66–75. https://doi.org/10.1016/j.jphotobiol.2018.07.030
Raghupathi KR, Koodali RT, Manna AC (2011) Size-dependent bacterial growth inhibition and
mechanism of antibacterial activity of zinc oxide nanoparticles. Langmuir 27:4020–4028.
https://doi.org/10.1021/la104825u
Raja A et al (2018) Eco-friendly preparation of zinc oxide nanoparticles using Tabernaemontana
divaricata and its photocatalytic and antimicrobial activity. J Photochem Photobiol B Biol
181:53–58. https://doi.org/10.1016/j.jphotobiol.2018.02.011
Raut NC, Mathews T, Ajikumar PK, George RP, Dash S, Tyagi AK (2012) Sunlight active
antibacterial nanostructured N-doped TiO 2 thin films synthesized by an ultrasonic spray pyrolysis technique. RSC Adv 2:10639–10647. https://doi.org/10.1039/C2RA21024J
Raza W, Faisal SM, Owais M, Bahnemann D, Muneer M (2016) Facile fabrication of highly
efficient modified ZnO photocatalyst with enhanced photocatalytic, antibacterial and anticancer
activity. RSC Adv 6:78335–78350. https://doi.org/10.1039/C6RA06774C
Rekha K, Nirmala M, Nair MG, Anukaliani A (2010) Structural, optical, photocatalytic and
antibacterial activity of zinc oxide and manganese doped zinc oxide nanoparticles. Phys B
Condens Matter 405:3180–3185. https://doi.org/10.1016/j.physb.2010.04.042
Rokicka-Konieczna P, Markowska-Szczupak A, Kusiak-Nejman E, Morawski AW (2019)
Photocatalytic water disinfection under the artificial solar light by fructose-modified TiO 2 .
Chem Eng J 372:203–215. https://doi.org/10.1016/j.cej.2019.04.113
Saito T, Iwase T, Horie J, Morioka T (1992) Mode of photocatalytic bactericidal action of powdered
semiconductor TiO 2 on mutans streptococci. J Photochem Photobiol B Biol 14:369–379. https://
doi.org/10.1016/1011-1344(92)85115-B
Sayılkan F, Asiltürk M, Kiraz N, Burunkaya E, Arpaç E, Sayılkan H (2009) Photocatalytic
antibacterial performance of Sn
4+ -doped TiO 2 thin films on glass substrate. J Hazard Mater
162:1309–1316. https://doi.org/10.1016/j.jhazmat.2008.06.043
Shimizu Y, Ateia M, Wang M, Awfa D, Yoshimura C (2019) Disinfection mechanism of E. coli by
CNT-TiO 2 composites: photocatalytic inactivation vs. physical separation. Chemosphere
235:1041–1049. https://doi.org/10.1016/j.chemosphere.2019.07.006
Sin J-C, Tan S-Q, Quek J-A, Lam S-M, Mohamed AR (2018) Facile fabrication of hierarchical
porous ZnO/Fe 3 O 4 composites with enhanced magnetic, photocatalytic and antibacterial properties. Mater Lett 228:207–211. https://doi.org/10.1016/j.matlet.2018.06.027
Singh S, Barick KC, Bahadur D (2013) Shape-controlled hierarchical ZnO architectures:
photocatalytic and antibacterial activities. CrystEngComm 15:4631–4639. https://doi.org/10.
1039/C3CE27084J
Sökmen M, Candan F, Sümer Z (2001) Disinfection of E. coli by the Ag-TiO 2 /UV system:
lipidperoxidation. J Photochem Photobiol A Chem 143:241–244. https://doi.org/10.1016/
S1010-6030(01)00497-X
60
R. P. Antony et al.
efficient solar water splitting. Cat Sci Technol 9:5425–5432. https://doi.org/10.1039/
C9CY01216H
Preethi LK, Antony RP, Mathews T, Loo SCJ, Wong LH, Dash S, Tyagi AK (2016) Nitrogen
doped anatase-rutile heterostructured nanotubes for enhanced photocatalytic hydrogen production: promising structure for sustainable fuel production. Int J Hydrog Energy 41:5865–5877.
https://doi.org/10.1016/j.ijhydene.2016.02.125
Preethi LK, Antony RP, Mathews T, Walczak L, Gopinath CS (2017a) A study on doped
Heterojunctions in TiO 2 nanotubes: An efficient Photocatalyst for solar water splitting. Sci
Rep 7:14314. https://doi.org/10.1038/s41598-017-14463-0
Preethi LK, Mathews T, Nand M, Jha SN, Gopinath CS, Dash S (2017b) Band alignment and
charge transfer pathway in three phase anatase-rutile-brookite TiO 2 nanotubes: An efficient
photocatalyst for water splitting. Appl Catal B Environ 218:9–19. https://doi.org/10.1016/j.
apcatb.2017.06.033
Quek J-A, Lam S-M, Sin J-C, Mohamed AR (2018) Visible light responsive flower-like ZnO in
photocatalytic antibacterial mechanism towards Enterococcus faecalis and Micrococcus luteus.
J Photochem Photobiol B Biol 187:66–75. https://doi.org/10.1016/j.jphotobiol.2018.07.030
Raghupathi KR, Koodali RT, Manna AC (2011) Size-dependent bacterial growth inhibition and
mechanism of antibacterial activity of zinc oxide nanoparticles. Langmuir 27:4020–4028.
https://doi.org/10.1021/la104825u
Raja A et al (2018) Eco-friendly preparation of zinc oxide nanoparticles using Tabernaemontana
divaricata and its photocatalytic and antimicrobial activity. J Photochem Photobiol B Biol
181:53–58. https://doi.org/10.1016/j.jphotobiol.2018.02.011
Raut NC, Mathews T, Ajikumar PK, George RP, Dash S, Tyagi AK (2012) Sunlight active
antibacterial nanostructured N-doped TiO 2 thin films synthesized by an ultrasonic spray pyrolysis technique. RSC Adv 2:10639–10647. https://doi.org/10.1039/C2RA21024J
Raza W, Faisal SM, Owais M, Bahnemann D, Muneer M (2016) Facile fabrication of highly
efficient modified ZnO photocatalyst with enhanced photocatalytic, antibacterial and anticancer
activity. RSC Adv 6:78335–78350. https://doi.org/10.1039/C6RA06774C
Rekha K, Nirmala M, Nair MG, Anukaliani A (2010) Structural, optical, photocatalytic and
antibacterial activity of zinc oxide and manganese doped zinc oxide nanoparticles. Phys B
Condens Matter 405:3180–3185. https://doi.org/10.1016/j.physb.2010.04.042
Rokicka-Konieczna P, Markowska-Szczupak A, Kusiak-Nejman E, Morawski AW (2019)
Photocatalytic water disinfection under the artificial solar light by fructose-modified TiO 2 .
Chem Eng J 372:203–215. https://doi.org/10.1016/j.cej.2019.04.113
Saito T, Iwase T, Horie J, Morioka T (1992) Mode of photocatalytic bactericidal action of powdered
semiconductor TiO 2 on mutans streptococci. J Photochem Photobiol B Biol 14:369–379. https://
doi.org/10.1016/1011-1344(92)85115-B
Sayılkan F, Asiltürk M, Kiraz N, Burunkaya E, Arpaç E, Sayılkan H (2009) Photocatalytic
antibacterial performance of Sn
4+ -doped TiO 2 thin films on glass substrate. J Hazard Mater
162:1309–1316. https://doi.org/10.1016/j.jhazmat.2008.06.043
Shimizu Y, Ateia M, Wang M, Awfa D, Yoshimura C (2019) Disinfection mechanism of E. coli by
CNT-TiO 2 composites: photocatalytic inactivation vs. physical separation. Chemosphere
235:1041–1049. https://doi.org/10.1016/j.chemosphere.2019.07.006
Sin J-C, Tan S-Q, Quek J-A, Lam S-M, Mohamed AR (2018) Facile fabrication of hierarchical
porous ZnO/Fe 3 O 4 composites with enhanced magnetic, photocatalytic and antibacterial properties. Mater Lett 228:207–211. https://doi.org/10.1016/j.matlet.2018.06.027
Singh S, Barick KC, Bahadur D (2013) Shape-controlled hierarchical ZnO architectures:
photocatalytic and antibacterial activities. CrystEngComm 15:4631–4639. https://doi.org/10.
1039/C3CE27084J
Sökmen M, Candan F, Sümer Z (2001) Disinfection of E. coli by the Ag-TiO 2 /UV system:
lipidperoxidation. J Photochem Photobiol A Chem 143:241–244. https://doi.org/10.1016/
S1010-6030(01)00497-X
60
R. P. Antony et al.