Conjugated polymer P3HT–Au hybrid nanostructures for enhancing photocatalytic activity

2015 ◽  
Vol 17 (23) ◽  
pp. 15392-15399 ◽  
Author(s):  
Bikash Jana ◽  
Santanu Bhattacharyya ◽  
Amitava Patra
Keyword(s):  
Photocatalytic Activity ◽  
Conjugated Polymer ◽  
Hybrid Nanostructures ◽  
Inorganic Hybrid

Organic–inorganic hybrid nanostructures for designing new optical based materials for efficient photocatalysis.

Systematic synthesis and analysis of change in morphology, electronic structure and photoluminescence properties of 2,2′-dipyridyl intercalated MoO3 hybrid nanostructures and investigation of their photocatalytic activity

RSC Advances ◽  
2016 ◽  
Vol 6 (91) ◽  
pp. 88287-88299 ◽  
Author(s):  
S. Rajagopal ◽  
M. Bharaneswari ◽  
D. Nataraj ◽  
O. Y. Khyzhun ◽  
Yahia Djaoued
Keyword(s):  
Electronic Structure ◽  
Photocatalytic Activity ◽  
Hydrothermal Method ◽  
Hybrid Nanostructures ◽  
Photoluminescence Properties ◽  
Inorganic Hybrid ◽  
Simple Hydrothermal Method ◽  
Analysis Of Change ◽  
Systematic Synthesis

An organic–inorganic hybrid was synthesized using 2,2′-dipyridyl and MoO3 nanorods via simple hydrothermal method. Here, dipyridyl has acted as stretching molecule and bonded the MoO3 nanorods together along the length to form hybrid micro crystals.

Isopolymolybdate-induced organic–inorganic hybrid assemblies with copper ions and bichelate-bridging ligands

CrystEngComm ◽  
2014 ◽  
Vol 16 (43) ◽  
pp. 10017-10027 ◽  
Author(s):  
Xiu-Li Hao ◽  
Yuan-Yuan Ma ◽  
Yong-Hui Wang ◽  
Hong-Ying Zang ◽  
Yang-Guang Li
Keyword(s):  
Photocatalytic Activity ◽  
Copper Ions ◽  
Bridging Ligands ◽  
Inorganic Hybrid ◽  
Metal Organic ◽  
Hydrothermal Environment ◽  
Hybrid Assemblies

Heptamolybdate is used as a “molecular adaptor” to modulate the metal–organic coordination building units in the hydrothermal environment, with new polyoxometalate-induced hybrid assemblies isolated demonstrating good photocatalytic activity.

scholarly journals Integration of nanosized ZIF-8 particles onto mesoporous TiO2 nanobeads for enhanced photocatalytic activity

RSC Advances ◽  
2017 ◽  
Vol 7 (13) ◽  
pp. 8004-8010 ◽  
Author(s):  
Qi Liu ◽  
Beibei Zhou ◽  
Miao Xu ◽  
Guobing Mao
Keyword(s):  
Photocatalytic Activity ◽  
Mesoporous Tio2 ◽  
Hybrid Nanostructures

Hybrid TiO2/ZIF-8 nanobeads have been prepared by decorating the surface of mesoporous TiO2 spheres with ZIF-8 nanoparticles and enhanced photocatalytic activity of Cr(vi) reduction than pristine TiO2 beads due to their hybrid nanostructures.

scholarly journals Enhanced photocatalytic activity of Ag–ZnO hybrid plasmonic nanostructures prepared by a facile wet chemical method

2014 ◽  
Vol 5 ◽  
pp. 639-650 ◽  
Author(s):  
Sini Kuriakose ◽  
Vandana Choudhary ◽  
Biswarup Satpati ◽  
Satyabrata Mohapatra
Keyword(s):  
Electron Microscopy ◽  
Photocatalytic Activity ◽  
Chemical Method ◽  
Hybrid Nanostructures ◽  
Oriented Attachment ◽  
Plasmonic Nanostructures ◽  
Ag Nanoparticle ◽  
Wet Chemical Method ◽  
Citrate Concentration ◽  
Wet Chemical

We report the synthesis of Ag–ZnO hybrid plasmonic nanostructures with enhanced photocatalytic activity by a facile wet-chemical method. The structural, optical, plasmonic and photocatalytic properties of the Ag–ZnO hybrid nanostructures were studied by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), photoluminescence (PL) and UV–visible absorption spectroscopy. The effects of citrate concentration and Ag nanoparticle loading on the photocatalytic activity of Ag–ZnO hybrid nanostructures towards sun-light driven degradation of methylene blue (MB) have been investigated. Increase in citrate concentration has been found to result in the formation of nanodisk-like structures, due to citrate-assisted oriented attachment of ZnO nanoparticles. The decoration of ZnO nanostructures with Ag nanoparticles resulted in a significant enhancement of the photocatalytic degradation efficiency, which has been found to increase with the extent of Ag nanoparticle loading.

Controlling the morphology and composition of Ag/AgBr hybrid nanostructures and enhancing their visible light induced photocatalytic properties

RSC Advances ◽  
2016 ◽  
Vol 6 (60) ◽  
pp. 54709-54717 ◽  
Author(s):  
Aasim Shahzad ◽  
Taekyung Yu ◽  
Woo-Sik Kim
Keyword(s):  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Visible Light ◽  
Hybrid Nanostructures ◽  
Photocatalytic Properties

Ag/AgBr hybrid nanostructures were prepared by reducing AgBr nanoparticles synthesized by reaction of Ag+ with Br−. The Ag/AgBr hybrid nanostructures exhibited enhanced photocatalytic activity and recyclability for decomposing methylene blue (MB).

scholarly journals Conjugated Polymer Donor-Molecular Acceptor Nanohybrids for Photocatalytic Hydrogen Evolution

2019 ◽  
Author(s):  
Haofan Yang ◽  
Xiaobo Li ◽  
Reiner Sebastian Sprick ◽  
Andrew I. Cooper
Keyword(s):  
Photocatalytic Activity ◽  
Charge Transfer ◽  
Conjugated Polymers ◽  
Hydrogen Evolution ◽  
Conjugated Polymer ◽  
Apparent Quantum Yield ◽  
High Hydrogen ◽  
Photocatalytic Hydrogen Evolution ◽  
Efficient Charge ◽  
Donor Acceptor

A library of 237 organic binary/ternary nanohybrids consisting of conjugated polymers donors and both fullerene and non-fullerene molecular acceptors was prepared and screened for sacrificial photocatalytic hydrogen evolution. These donor-acceptor nanohybrids (DANHs) showed significantly enhanced hydrogen evolution rates compared with the parent donor or acceptor compounds. DANHs of <a></a><a>a polycarbazole</a>-based donor combined with a methanofullerene acceptor (PCDTBT/PC<sub>60</sub>BM) showed a high hydrogen evolution rate of 105.2 mmol g<sup>-1</sup> h<sup>-1</sup> under visible light (λ > 420 nm). This DANH photocatalyst produced 5.9 times more hydrogen than a sulfone-containing polymer (P10) under the same conditions, which is one of the most efficient organic photocatalysts reported so far. An apparent quantum yield of hydrogen evolution of 3.0 % at 595 nm was measured for this DANH. The photocatalytic activity of the DANHs, which in optimized cases reached 179.0 mmol g<sup>-1</sup> h<sup>-1</sup>, is attributed to efficient charge transfer at the polymer donor/molecular acceptor interface. We also show that ternary donor<sub>A</sub>-donor<sub>B</sub>-acceptor nanohybrids can give higher activities than binary donor-acceptor hybrids in some cases.

scholarly journals Strong Plasmon–Exciton Coupling in Ag Nanoparticle—Conjugated Polymer Core-Shell Hybrid Nanostructures

Polymers ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 2141
Author(s):  
Christopher E. Petoukhoff ◽  
Keshav M. Dani ◽  
Deirdre M. O’Carroll
Keyword(s):  
Conjugated Polymers ◽  
Conjugated Polymer ◽  
Optoelectronic Devices ◽  
Hybrid Nanostructures ◽  
Oscillator Strengths ◽  
Metal Nanostructures ◽  
Core Shell ◽  
Exciton Coupling ◽  
J Aggregates ◽  
Organic Optoelectronic

Strong plasmon–exciton coupling between tightly-bound excitons in organic molecular semiconductors and surface plasmons in metal nanostructures has been studied extensively for a number of technical applications, including low-threshold lasing and room-temperature Bose-Einstein condensates. Typically, excitons with narrow resonances, such as J-aggregates, are employed to achieve strong plasmon–exciton coupling. However, J-aggregates have limited applications for optoelectronic devices compared with organic conjugated polymers. Here, using numerical and analytical calculations, we demonstrate that strong plasmon–exciton coupling can be achieved for Ag-conjugated polymer core-shell nanostructures, despite the broad spectral linewidth of conjugated polymers. We show that strong plasmon–exciton coupling can be achieved through the use of thick shells, large oscillator strengths, and multiple vibronic resonances characteristic of typical conjugated polymers, and that Rabi splitting energies of over 1000 meV can be obtained using realistic material dispersive relative permittivity parameters. The results presented herein give insight into the mechanisms of plasmon–exciton coupling when broadband excitonic materials featuring strong vibrational–electronic coupling are employed and are relevant to organic optoelectronic devices and hybrid metal–organic photonic nanostructures.

Organic–inorganic hybrids of Fe–Co polyphenolic network wrapped Fe3O4 nanocatalysts for significantly enhanced oxygen evolution

2019 ◽  
Vol 7 (23) ◽  
pp. 14302-14308 ◽  
Author(s):  
Xin Jia ◽  
Jinzhu Wu ◽  
Ke Lu ◽  
Yang Li ◽  
Xianshu Qiao ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Hybrid Nanostructures ◽  
Inorganic Hybrid ◽  
Earth Abundant

The design of organic–inorganic hybrid nanostructures with carefully balanced properties is a promising approach for constructing advanced electrocatalysts using earth abundant elements.

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