Absorbing film assisted laser induced forward transfer of fungi (Trichoderma conidia)

Hopp, B.; Smausz, Tomi; Zsuzsanna, Antal; Kresz, N.; Bor, Zs.; Chrisey, Douglas B.

doi:10.1063/1.1782275

Cited by 116 publications

(67 citation statements)

References 25 publications

(14 reference statements)

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“…10 Moreover, LIFT can be used for printing different complex materials, such as inorganic inks or pastes, 11 organic polymers, 12 and even biological solutions. 8,[13][14][15] The feasibility of the technique for depositing these materials has been proved through the fabrication of diverse functional devices such as microbatteries, 11 solar cells, 16 organic light-emitting diodes, 17 or biosensors. 18,19 Such interesting features prompted several studies on the transfer process which takes place during the LIFT of liquids.…”

Section: Introductionmentioning

confidence: 99%

Time-resolved imaging of the laser forward transfer of liquids

Duocastella¹,

Fernández-Pradas²,

Morenza³

et al. 2009

Journal of Applied Physics

136

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Time-resolved imaging is carried out to study the dynamics of the laser-induced forward transfer of an aqueous solution at different laser fluences. The transfer mechanisms are elucidated, and directly correlated with the material deposited at the analyzed irradiation conditions. It is found that there exists a fluence range in which regular and well-defined droplets are deposited. In this case, laser pulse energy absorption results in the formation of a plasma, which expansion originates a cavitation bubble in the liquid. After the further expansion and collapse of the bubble, a long and uniform jet is developed, which advances at a constant velocity until it reaches the receptor substrate. On the other hand, for lower fluences no material is deposited. In this case, although a jet can be also generated, it recoils before reaching the substrate. For higher fluences, splashing is observed on the receptor substrate due to the bursting of the cavitation bubble. Finally, a discussion of the possible mechanisms which lead to such singular dynamics is also provided.

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Section: Introductionmentioning

confidence: 99%

Time-resolved imaging of the laser forward transfer of liquids

Duocastella¹,

Fernández-Pradas²,

Morenza³

et al. 2009

Journal of Applied Physics

136

View full text Add to dashboard Cite

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“…2 In recent years, significant study has been directed towards extending the range of materials that can be deposited using LIFT; metals, 3 oxides, 2 superconductors, 4 DNA, 5 proteins, 6 fungal spores, 7 polycrystalline Si, 8 and various important electronic and sensing materials 9 have all been transferred. In contrast, efforts to reduce the minimum achievable deposition dimensions have received comparatively little attention.…”

mentioning

confidence: 99%

Nanodroplets deposited in microarrays by femtosecond Ti:sapphire laser-induced forward transfer

Banks

Grivas

Mills

et al. 2006

Applied Physics Letters

140

108

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The authors present the deposition of nanoscale droplets of Cr using femtosecond Ti:sapphire laser-induced forward transfer. Deposits around 300 nm in diameter, significantly smaller than any previously reported, are obtained from a 30 nm thick source film. Deposit size, morphology, and adhesion to a receiver substrate as functions of applied laser fluence are investigated. The authors show that deposits can be obtained from previously irradiated areas of the source material film with negligible loss of deposition quality, allowing subspot size period microarrays to be produced without the need to move the source film. © 2006 American Institute of Physics. ͓DOI: 10.1063/1.2386921͔The laser-induced forward transfer ͑LIFT͒ technique exists as a method for the direct writing of a wide variety of materials with a minimum achievable resolution around 1 m. 1 It is of particular interest due to the ability to pattern material in air and at room temperature onto virtually any substrate. 2 In recent years, significant study has been directed towards extending the range of materials that can be deposited using LIFT; metals, 3 oxides, 2 superconductors, 4 DNA, 5 proteins, 6 fungal spores, 7 polycrystalline Si, 8 and various important electronic and sensing materials 9 have all been transferred. In contrast, efforts to reduce the minimum achievable deposition dimensions have received comparatively little attention. LIFT using nanosecond pulsed lasers ͑ns-LIFT͒ typically produces depositions which at best reproduce the shape and size of the laser focal spot. 10 Femtosecond-LIFT ͑fs-LIFT͒ using an UV excimer laser has been shown to be capable of subspot size depositions with diameters around 0.5 m. 3 Recently, it was demonstrated that ns-LIFT could also be used to produce subspot size deposits by carefully controlling the laser fluence just above the threshold for material transfer. 11 In LIFT, a thin film of the material to be deposited ͑the "source film"͒ is coated onto one face of a transparent substrate ͑the "carrier"͒ and brought into close contact with another substrate ͑the "receiver"͒. A single laser pulse is then focused through the carrier onto the carrier-film interface, where it is absorbed in a shallow layer of the film ͓Fig. 1͑a͔͒. Conventionally, LIFT then occurs by vaporization of film material at the constrained interface, with the resultant pressure buildup propelling film material to the receiver. However, this is the case only for thicker films and high laser fluence; for thin films and fluence just above the threshold for material transfer, it is possible for LIFT to occur solely by melt-through of the source film ͓Fig. 1͑b͔͒. With precise control of the laser fluence, only the center of the melt front reaches the free surface of the film ͓Fig. 1͑c͔͒, allowing molten material under pressure to expand through an unconstrained, subspot size region. With ns-LIFT this process has been shown to facilitate sublaser spot size printing. 11 In this letter we demonstrate that the same process can occur with fs-LIFT...

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“…Then, the transferred materials can be more efficiently thrust to the receiver. Several materials such as Ti [35], polymer [37], and Ag [38] have been used as the thrust material in various LIFT experiments previously. Besides, according to our previous work [34], we have found that Ge 2 Sb 2 Te 5 can be laser ablated and subsequently transferred with relatively lower fs-laser fluence.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

Tseng

Sun

et al. 2012

Laser & Photonics Reviews

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A novel method based on femtosecond laser‐induced forward transfer for high‐throughput and efficient fabrication of periodic multilayer plasmonic metamaterials is demonstrated. With precisely controlling laser raster path applied on sputtered multilayer thin films, the laser‐ablated materials can be transferred to another substrate leaving the fabricated multilayer structure on the original substrate. Subsequently, three‐dimensional metamaterials can be made by multilayer structuring. Moreover, all the experimental results show that to create such multilayer split resonant rings (SRRs) with uniform profile, the laser fluence should be fine controlled under proper conditions. The optical property of fabricated multilayer SRR array is investigated by optical measurements and finite‐difference time‐domain simulations, showing various resonant modes in the middle‐IR region. The calculated induced current distributions exhibit rich resonance properties of the structures as well. This work markedly extends the laser direct writing technique to a wide application in fabricating complicated metamaterials and plasmonic devices efficiently.

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Absorbing film assisted laser induced forward transfer of fungi (Trichoderma conidia)

Cited by 116 publications

References 25 publications

Time-resolved imaging of the laser forward transfer of liquids

Time-resolved imaging of the laser forward transfer of liquids

Nanodroplets deposited in microarrays by femtosecond Ti:sapphire laser-induced forward transfer

Fabrication of multilayer metamaterials by femtosecond laser‐induced forward‐transfer technique

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