No-Wear Vibration Energy Harvester Based on a Triboelectric Mechanism

Kumar, Satish; Singh, Diwakar; Kumar, Rajeev; Jain, S. C.

doi:10.1007/s11664-021-09208-9

Cited by 17 publications

(16 citation statements)

References 40 publications

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“…[2,3] In contrast to the TPA process where the absorption increases with light intensity, SA exhibits the opposite trend, due to the saturation of excited electrons filling the conduction band and hence preventing further transitions due to Pauli blocking. [53,122] In Table 1, the negative 𝛽 for GO is induced by SA, which originates from the groundstate bleaching of the sp 2 domain. [63,123,124] The SA in GO is useful for applications such as mode-locked fiber lasers [125][126][127] and all-optical modulators.…”

Section: Nonlinear Optical Propertiesmentioning

confidence: 99%

Graphene Oxide for Nonlinear Integrated Photonics

Moss¹

2023

Laser & Photonics Reviews

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Integrated photonic devices operating via optical nonlinearities offer a powerful solution for all‐optical information processing, yielding processing speeds that are well beyond that of electronic processing as well as providing the added benefits of compact footprint, high stability, high scalability, and small power consumption. The increasing demand for high‐performance nonlinear integrated photonic devices has facilitated the hybrid integration of novel materials to address the limitations of existing integrated photonic platforms. Recently, graphene oxide (GO), with its large optical nonlinearity, high flexibility in altering its properties, and facile fabrication processes, has attracted significant attention, enabling many hybrid nonlinear integrated photonic devices with improved performance and novel capabilities. This paper reviews the applications of GO to nonlinear integrated photonics. First, an overview of GO's optical properties and the fabrication technologies needed for its on‐chip integration is provided. Next, the state‐of‐the‐art GO nonlinear integrated photonic devices are reviewed, followed by comparisons of the nonlinear optical performance of different integrated platforms incorporating GO as well as hybrid integrated devices including different kinds of 2D materials. Finally, the current challenges and future opportunities in this field are discussed.

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Section: Nonlinear Optical Propertiesmentioning

confidence: 99%

Graphene Oxide for Nonlinear Integrated Photonics

Moss¹

2023

Laser & Photonics Reviews

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“…In contrast to the TPA process where the absorption increases with light intensity, SA exhibits the opposite trend, due to the saturation of excited electrons filling the conduction band and hence preventing further transitions due to Pauli blocking [49,113] . In Table 1, the negative β for GO is induced by SA, which originates from the ground-state bleaching of the sp 2 domain [56,114,115] .…”

Section: Nonlinear Optical Propertiesmentioning

confidence: 87%

Review: Graphene oxide 2D thin films for high performance nonlinear integrated photonics

Moss¹

2022

Preprint

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Integrated photonic devices operating via optical nonlinearities offer a powerful solution for all-optical information processing, yielding processing speeds that are well beyond that of electronic processing as well as providing the added benefits of compact footprint, high stability, high scalability, and small power consumption. The increasing demand for high-performance nonlinear integrated photonic devices has facilitated the hybrid integration of novel materials to address the limitations of existing integrated photonic platforms, such as strong nonlinear optical absorption or an inadequate optical nonlinearity. Recently, graphene oxide (GO), with its large optical nonlinearity, high flexibility in altering its properties, and facile fabrication processes, has attracted significant attention, enabling many hybrid nonlinear integrated photonic devices with improved performance and novel capabilities. This paper reviews the applications of GO to nonlinear integrated photonics. First, an overview of GO’s optical properties and the fabrication technologies needed for its on-chip integration is provided. Next, the state-of-the-art GO nonlinear integrated photonic devices are reviewed, together with comparisons of the nonlinear optical performance of different integrated platforms incorporating GO. Finally, the challenges and perspectives of this field are discussed.

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“…[1] FGMs and composite provide efficient ways to strengthen the existing structure and enhance its performance which leads to their wide application in the mechanical, aerospace, and defense industries. [2][3][4][5][6][7] FGMs have superior application-specific material properties such as the ability to withstand high temperatures, and high mechanical stresses while maintaining the weight as low as possible (depending on the material and scheme of the graded structure). The functionally graded (FG) laminate structure can be utilized as a smart structure such that when it senses the input stimuli or deformation it will actuate itself and subsequently return to its original shape.…”

Section: Introductionmentioning

confidence: 99%

Multilevel Fully Integrated Electromechanical Property Modulation of Functionally Graded Graphene‐Reinforced Piezoelectric Actuators: Coupled Effect of Poling Orientation

Singh

Shingare

Mukhopadhyay

et al. 2023

Advcd Theory and Sims

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This article explores the coupled static and dynamic electromechanical responses of single and multilayered functionally graded (FG) graphene platelet (GPL)-reinforced piezoelectric composite (GRPC) plates by developing a 3D finite-element model. The bending and eigenfrequency of piezoelectric FG composite plates are investigated, wherein an active behavior is proposed to be exploited in terms of the functional design of poling angle for a more elementary level property modulation. The numerical results reveal that the mechanical behavior concerning deflection and resonance frequency of FG-GRPC plates can be significantly enhanced and modulated due to the influence of piezoelectricity and a small fraction of GPLs along with the consideration of poling angle in a multiscale fully integrated computational framework. The notions of on-demand property modulation, actuation, and active control are established here by undertaking a comprehensive numerical analysis considering the coupled influences of poling orientations, different distributions, patterns, and weight fractions of GPLs along with different electromechanical loadings. Against the backdrop of the recent advances in microscale manufacturing, the current computational work will provide necessary physical insights in modeling piezoelectric multifunctional FG composites for active control of mechanical properties and harvesting electromechanical energy in a range of devices and systems.

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No-Wear Vibration Energy Harvester Based on a Triboelectric Mechanism

Cited by 17 publications

References 40 publications

Graphene Oxide for Nonlinear Integrated Photonics

Graphene Oxide for Nonlinear Integrated Photonics

Review: Graphene oxide 2D thin films for high performance nonlinear integrated photonics

Multilevel Fully Integrated Electromechanical Property Modulation of Functionally Graded Graphene‐Reinforced Piezoelectric Actuators: Coupled Effect of Poling Orientation

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