Non-contact printing of high aspect ratio Ag electrodes for polycrystalline silicone solar cell with electrohydrodynamic jet printing

Jang, Yong Suk; Tambunan, Indra Hartarto; Tak, Hyowon; Nguyen, Vu Dat; Kang, Taesam; Byun, Doyoung

doi:10.1063/1.4798332

Cited by 71 publications

(41 citation statements)

References 12 publications

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“…For example, Ti-Saph based short-pulse highintensity lasers routinely use cross-polarized wave generation (XPW) technique to achieve a contrast of at least 10 10 on the nanosecond time scale [19]. The manufacturing of advanced micro and nanostructures has been the domain of specialized scientific disciplines such as nanoelectronics [20], microfluidics [21], and photovoltaic [22]. Microstructures with features as small as 200 nm can now be easily manufactured by non-experts using commercially available 3D direct laser writing (DLW) instruments [23].…”

mentioning

confidence: 99%

Microengineering Laser Plasma Interactions at Relativistic Intensities

Jiang

Audesirk

et al. 2016

Phys. Rev. Lett.

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We report on the first successful proof-of-principle experiment to manipulate laser-matter interactions on microscales using highly ordered Si microwire arrays. The interaction of a high-contrast short-pulse laser with a flat target via periodic Si microwires yields a substantial enhancement in both the total and cutoff energies of the produced electron beam. The self-generated electric and magnetic fields behave as an electromagnetic lens that confines and guides electrons between the microwires as they acquire relativistic energies via direct laser acceleration. DOI: 10.1103/PhysRevLett.116.085002 Laser-matter interactions at relativistic intensities have exhibited many interesting physical processes. These include the acceleration of electrons [1][2][3][4], protons, and heavy ions [5][6][7], the creation of electron-positron jets [8][9][10], and attosecond pulse generation [11,12]. The investigation of ultrashort pulse lasers interacting with initially soliddensity matter has been mainly focused on flat targets, with little or no control over the interaction. Recently the focus has shifted toward using advanced targets with the aim of increasing laser beam absorption and subsequent energy partition among various plasma species. Structured interfaces including nanoparticles [13], snowflakes [14], and nanospheres [15] have been reported to enhance laser absorption and proton acceleration, and the trapping of femtosecond laser pulses of relativistic intensity deep within ordered nanowires resulted in volumetric heating of dense matter into a new ultrahot plasma regime [16]. Another proposal addressed the potential for prescribing geometrical structures on the front of a target to greatly enhance the yield of high-energy electrons while simultaneously confining the emission to narrow angular cones [17].Microengineering laser plasma interactions, at intensities above the material damage threshold, has not been extensively explored. The main reason is that the amplified short pulses are inherently preceded by nanosecond-scale pedestals [18]. This departure from an ideal pulse can substantially modify or destroy any guiding features before the arrival of the intense portion of the pulse.Laser-pulse cleaning techniques are now being employed to significantly minimize unwanted prepulse and pedestals. For example, Ti:sapphire-based short-pulse high-intensity lasers routinely use a cross-polarized wave generation technique to achieve a contrast of at least 10 10 on the nanosecond time scale [19]. The manufacturing of advanced micro-and nanostructures has been the domain of specialized scientific disciplines such as nanoelectronics [20], microfluidics [21], and photovoltaics [22]. Microstructures with features as small as 200 nm can now be easily manufactured by nonexperts using commercially available 3D direct laser writing instruments [23]. Furthermore, 3D large-scale simulations with enough spatial and temporal resolution to capture the details of the interaction are now possible thanks to recent advances in massiv...

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mentioning

confidence: 99%

Microengineering Laser Plasma Interactions at Relativistic Intensities

Jiang

Audesirk

et al. 2016

Phys. Rev. Lett.

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“…Additionally, as we have seen, they can be easily deposited as thin films on any substrate using printing techniques. Recently, intensive research has focused on large-area production based on roll-to-roll processing and printing techniques [222][223][224][225][226][227]. By printing graphene and CNTs, researchers have developed solar cells with short-circuit current densities [228,229], power conversion efficiencies [229,230], and efficient hole transport layers [230,231], comparable to traditional photovoltaic devices.…”

Section: Solar Cellsmentioning

confidence: 99%

Printing nanostructured carbon for energy storage and conversion applications

Lawes

Riese

Sun

et al. 2015

Carbon

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“…6,7 Firstly, E-jet printing can reach sub 100 nm resolution, [8][9][10] and can print fine structures with size much smaller than the inner diameter of the nozzle. [11][12][13] Secondly, E-jet printing is compatible with high viscous solution (>10000 cPs) [14][15][16] that is three order of magnitude higher than that of the traditional ink-jet printing (<20 cPs). Many researchers have studied the process behaviors in single nozzle E-jet printing, [16][17][18][19][20][21][22] but the printing efficiency is limited.…”

Section: Introductionmentioning

confidence: 98%

Addressable multi-nozzle electrohydrodynamic jet printing with high consistency by multi-level voltage method

et al. 2015

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It is critical and challenging to achieve the individual jetting ability and high consistency in multi-nozzle electrohydrodynamic jet printing (E-jet printing). We proposed multi-level voltage method (MVM) to implement the addressable E-jet printing using multiple parallel nozzles with high consistency. The fabricated multi-nozzle printhead for MVM consists of three parts: PMMA holder, stainless steel capillaries (27G, outer diameter 400 μm) and FR-4 extractor layer. The key of MVM is to control the maximum meniscus electric field on each nozzle. The individual jetting control can be implemented when the rings under the jetting nozzles are 0 kV and the other rings are 0.5 kV. The onset electric field for each nozzle is ∼3.4 kV/mm by numerical simulation. Furthermore, a series of printing experiments are performed to show the advantage of MVM in printing consistency than the “one-voltage method” and “improved E-jet method”, by combination with finite element analyses. The good dimension consistency (274μm, 276μm, 280μm) and position consistency of the droplet array on the hydrophobic Si substrate verified the enhancements. It shows that MVM is an effective technique to implement the addressable E-jet printing with multiple parallel nozzles in high consistency.

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Non-contact printing of high aspect ratio Ag electrodes for polycrystalline silicone solar cell with electrohydrodynamic jet printing

Cited by 71 publications

References 12 publications

Microengineering Laser Plasma Interactions at Relativistic Intensities

Microengineering Laser Plasma Interactions at Relativistic Intensities

Printing nanostructured carbon for energy storage and conversion applications

Addressable multi-nozzle electrohydrodynamic jet printing with high consistency by multi-level voltage method

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