ONE-DIMENSIONAL ZnO/CNFs HIERARCHICAL HETEROSTRUCTURES WITH ENHANCED PHOTOCATALYTIC ACTIVITY

NANO ◽  
2014 ◽  
Vol 09 (04) ◽  
pp. 1450048 ◽  
Author(s):  
SHAWEI FU ◽  
JINGYING ZHANG ◽  
LU SHEN ◽  
HUICHUN TAO

In this paper, a facile two-step synthesis route combining an electrospinning technique and vapor transport deposition method has been accepted as a straightforward protocol for the exploitation of ZnO /carbon nanofibers (CNFs) hierarchical heterostructures which are composed of ZnO nanorods on the surface of CNFs. Photocatalytic tests display that the ZnO /CNFs heterostructures possess degrading Rhodamine B (RB) at a much higher rate than pure ZnO . The enhanced photocatalytic activity could be attributed to the effective separation of photogenerated carriers driven by the photoinduced potential difference, which is generated at the ZnO /CNFs heterojunction interface. Moreover, the heterostructures could be reclaimed easily by sedimentation without a decrease of the photocatalytic activity. Such simple and versatile strategy can provide a general way to fabricate other heterostructures, such as TiO 2/CNFs.

2015 ◽  
Vol 39 (10) ◽  
pp. 7863-7872 ◽  
Author(s):  
Xin Li ◽  
Huiming Lin ◽  
Xiang Chen ◽  
Hao Niu ◽  
Ting Zhang ◽  
...  

TiO2/PCNFs heterostructures were successfully fabricated by combining an electrospinning technique with a hydrothermal method, exhibiting enhanced visible photocatalytic activity.


RSC Advances ◽  
2021 ◽  
Vol 11 (17) ◽  
pp. 10224-10234
Author(s):  
José Montero ◽  
Tesfalem Welearegay ◽  
Jakob Thyr ◽  
Henry Stopfel ◽  
Tatjana Dedova ◽  
...  

Hybrid synthesis of Cu2O/ZnO nanorod heterojunction exhibiting enhanced interfacial charge transfer and photocatalytic activity comprising hydrothermal synthesis step of ZnO nanorods followed by advanced gas deposition of Cu nanoparticles.


NANO ◽  
2017 ◽  
Vol 12 (03) ◽  
pp. 1750027 ◽  
Author(s):  
Yi Ling Qi ◽  
Xu Chun Song ◽  
Yi Fan Zheng

Novel heterostructure BiOI/BiOIO3 nanocomposites were successfully prepared through a facile deposition method at room temperature. BiOIO3 is a noncentrosymmetric compound that has an internal self-built electric field. BiOI was applied as a visible light absorber to sensitize semiconductors owing to its smallest bandgap. The coupling between BiOIO3 and BiOI can combine their advantages and improve photocatalytic properties. Compared with the single BiOI and BiOIO3, the heterostructure BiOI/BiOIO3 nanocomposites displayed a significantly enhanced photocatalytic activity for the Rhodamine B (RhB) degradation. The enhanced photocatalytic performance is deduced closely related to the formation of BiOI/BiOIO3 heterojunction interface whose presence is regarded to be a favorable factor for the transfer and separation of the photogenerated electrons and holes.


CrystEngComm ◽  
2015 ◽  
Vol 17 (3) ◽  
pp. 569-576 ◽  
Author(s):  
Yin Peng ◽  
Qing-Guo Chen ◽  
Dan Wang ◽  
Hai-Yan Zhou ◽  
An-Wu Xu

A one-dimensional WO3–Bi2WO6 photocatalyst exhibits high photocatalytic activity for the degradation of rhodamine B (RhB) under solar light irradiation, which is attributed to the effective separation of photogenerated electron–hole pairs by the staggered band potentials between WO3 and Bi2WO6.


RSC Advances ◽  
2018 ◽  
Vol 8 (49) ◽  
pp. 28179-28188 ◽  
Author(s):  
Tianhong Zhou ◽  
Guozhen Zhang ◽  
Hao Yang ◽  
Hongwei Zhang ◽  
Ruini Suo ◽  
...  

Effective visible-light-driven Ag3PO4/GO/NiFe2O4Z-scheme magnetic composites were successfully fabricated by a simple ion-exchange deposition method. The composites exhibited excellent photocatalytic activity and stability for RhB degradation.


RSC Advances ◽  
2015 ◽  
Vol 5 (128) ◽  
pp. 106252-106257 ◽  
Author(s):  
Kyu-Nam Jung ◽  
Ji-Young Seong ◽  
Sung-Soo Kim ◽  
Gyoung-Ja Lee ◽  
Jong-Won Lee

One-dimensional TiO2–carbon nanofibers fabricatedviaan electrospinning technique exhibit superior sodium storage capability as an anode for sodium-ion batteries.


RSC Advances ◽  
2015 ◽  
Vol 5 (6) ◽  
pp. 4077-4082 ◽  
Author(s):  
Xiaona Liu ◽  
Qifang Lu ◽  
Chaofeng Zhu ◽  
Suwen Liu

One-dimensional α-Fe2O3/Bi2WO6 heterostructured nanofibers with the diameter of about 300–500 nm were successfully prepared by using a simple and straightforward protocol combining an electrospinning technique with a sintering process.


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