Virus‐Templated Synthesis of ZnO Nanostructures and Formation of Field‐Effect Transistors

Atanasova, Petia; Rothenstein, Dirk; Schneider, Jörg J.; Hoffmann, Rudolf C.; Dilfer, Stefan; Eiben, Sabine; Wege, Christina; Jeske, Holger; Bill, Joachim

doi:10.1002/adma.201102900

Cited by 89 publications

(70 citation statements)

References 52 publications

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“…Without the addition of the base, the precursor complex did not undergo any decomposition after the completion of the microwave reaction under typical reaction conditions. However, in the presence of the base, the precursor does undergo decomposition with appearance of a characteristic 13 Figure S2). The products observed in the microwave initiated decomposition of the oximato complex is in full accordance with a secondorder type Beckmann rearrangement reaction as observed for its solution based thermal decomposition pathway [13].…”

Section: Resultsmentioning

confidence: 99%

“…However, in the presence of the base, the precursor does undergo decomposition with appearance of a characteristic 13 Figure S2). The products observed in the microwave initiated decomposition of the oximato complex is in full accordance with a secondorder type Beckmann rearrangement reaction as observed for its solution based thermal decomposition pathway [13]. Besides the characteristic signals of the decomposition products, chemical shifts from the undecomposed precursor are still observed after the completion of the microwave reaction.…”

Section: Resultsmentioning

confidence: 99%

“…The electrodes possessed an inter-digital structure with a channel width W of 10 mm and a channel length of 20 µm. 13 C nuclear magnetic resonance spectroscopy (NMR) was undertaken using a DRX500 (Bruker) spectrometer. Experiments to study the decomposition of the precursor in the microwave were performed by preparing the reaction solution (with and without the TEAOH) in tetra-deuteromethanol (methanold 4 ).…”

Section: Methodsmentioning

confidence: 99%

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Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

Sanctis¹,

Hoffmann²,

Eiben³

et al. 2016

Nano Online

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Tobacco mosaic virus (TMV) has been employed as a robust functional template for the fabrication of a TMV/zinc oxide field effect transistor (FET). A microwave based approach, under mild conditions was employed to synthesize stable zinc oxide (ZnO) nanoparticles, employing a molecular precursor. Insightful studies of the decomposition of the precursor were done using NMR spectroscopy and material characterization of the hybrid material derived from the decomposition was achieved using dynamic light scattering (DLS), transmission electron microscopy (TEM), grazing incidence X-ray diffractometry (GI-XRD) and atomic force microscopy (AFM). TEM and DLS data confirm the formation of crystalline ZnO nanoparticles tethered on top of the virus template. GI-XRD investigations exhibit an orientated nature of the deposited ZnO film along the c-axis. FET devices fabricated using the zinc oxide mineralized virus template material demonstrates an operational transistor performance which was achieved without any high-temperature post-processing steps. Moreover, a further improvement in FET performance was observed by adjusting an optimal layer thickness of the deposited ZnO on top of the TMV. Such a bio-inorganic nanocomposite semiconductor material accessible using a mild and straightforward microwave processing technique could open up new future avenues within the field of bio-electronics. 785

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

Sanctis¹,

Hoffmann²,

Eiben³

et al. 2016

Nano Online

View full text Add to dashboard Cite

show abstract

“…For example, one can produce semiconducting ZnO layers either by chemical bath deposition or by the microwave-assisted mineralization of ZnO precursors. 113,171) The TMV was either immobilized on prefabricated FET substrates by drop-casting or aligned by convective assembly. The as-produced hybrid bio=inorganic materials exhibited transistor properties with electron mobilities in the range of 10 −3 cm 2 V −1 s −1 and I on=off ratios of about 5 × 10 5 , even without further treatment.…”

Section: Tmvmentioning

confidence: 99%

Nanoscale device architectures derived from biological assemblies: The case of tobacco mosaic virus and (apo)ferritin

Calò

Eiben

Okuda

et al. 2016

Jpn. J. Appl. Phys.

Self Cite

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Virus particles and proteins are excellent examples of naturally occurring structures with well-defined nanoscale architectures, for example, cages and tubes. These structures can be employed in a bottom-up assembly strategy to fabricate repetitive patterns of hybrid organic–inorganic materials. In this paper, we review methods of assembly that make use of protein and virus scaffolds to fabricate patterned nanostructures with very high spatial control. We chose (apo)ferritin and tobacco mosaic virus (TMV) as model examples that have already been applied successfully in nanobiotechnology. Their interior space and their exterior surfaces can be mineralized with inorganic layers or nanoparticles. Furthermore, their native assembly abilities can be exploited to generate periodic architectures for integration in electrical and magnetic devices. We introduce the state of the art and describe recent advances in biomineralization techniques, patterning and device production with (apo)ferritin and TMV.

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“…This approach has allowed the realization of unique device geometries, as well as the opportunity for enhanced performance and functionality. [1][2][3][4][5] One area of viral-assisted assembly that has yet to be fully explored is the formation of core-shell materials. Although ensembles or arrays of viral-templated core-shell nanowires have been studied for battery electrodes or photocurrent collection, discrete viral-templated coreshell nanowires have not yet been reported.…”

Section: Introductionmentioning

confidence: 99%

Viral-assisted assembly and photoelectric response of individual Au/CdSe core–shell nanowires

Joo

Hodelin

et al. 2012

Materials Letters

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Individual viral-templated Au/CdSe core-shell nanowires were synthesized and electrically characterized at room temperature. The Au nanowire cores were constructed using a genetically-modified filamentous M13 bacteriophage as a scaffold. Au nanoparticles were selectively bound to the viruses and used as seeds for electroless deposition, forming continuous Au nanowires. The nanocrystalline CdSe shell material which formed a coaxial heterojunction with the Au nanowire was created by electrodeposition.Electrical characterization of the Au nanowires revealed resistance variations associated with the viraltemplated assembly process. The photoelectrical response of the core-shell nanowires was used to assess the interaction between the two component materials. A correlation was found between the dark current of the Au/CdSe core-shell nanowire and the magnitude of the collected photocurrent.

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Virus‐Templated Synthesis of ZnO Nanostructures and Formation of Field‐Effect Transistors

Cited by 89 publications

References 52 publications

Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

Microwave assisted synthesis and characterisation of a zinc oxide/tobacco mosaic virus hybrid material. An active hybrid semiconductor in a field-effect transistor device

Nanoscale device architectures derived from biological assemblies: The case of tobacco mosaic virus and (apo)ferritin

Viral-assisted assembly and photoelectric response of individual Au/CdSe core–shell nanowires

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