Depletion width engineering via surface modification for high performance semiconducting piezoelectric nanogenerators

Lee, Keun Young; Bae, Ji-Hyun; Kim, SeongMin; Lee, Ju‐Hyuck; Yoon, Gyu Cheol; Gupta, Manoj; Kim, Sungjin; Kim, Hyeok; Park, Jong Jin; Kim, Sang Woo

doi:10.1016/j.nanoen.2014.06.008

Cited by 78 publications

(33 citation statements)

References 28 publications

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“…Along with the flexible substrate, it is equally important to ensure that electrodes are flexible and robust enough to withstand repeated mechanical stress. Metal oxide conducting film, represented by ITO, has a limited tolerance to constant and repeated mechanical stress, which restricts its application in flexible devices [47,48]. Recently, graphene emerged as a desirable electrode for flexible devices due to its high flexibility as well as robustness.…”

Section: Resultsmentioning

confidence: 99%

Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film

et al. 2015

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“…159 Thus, the coupling effect between mechanical, thermal, and light energy in an enhanced synergetic energy harvesting system has attracted great attention, as it is not just simple multi-type energy harvesting, and because such devices will offer a promising approach for effectively harvesting multi-type energy for realizing multi-functional energy devices. 134,138,[155][156][157][158][159][160][161][162][163][164] …”

Section: Coupling Of Multiple Energy Sourcesmentioning

confidence: 99%

All-in-one energy harvesting and storage devices

et al. 2016

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Currently, integration of energy harvesting and storage devices is considered to be one of the most important energy-related technologies due to the possibility of replacing batteries or at least extending the lifetime of a battery. This review aims to describe current progress in the various types of energy harvesters, hybrid energy harvesters, including multi-type energy harvesters with coupling of multiple energy sources, and hybridization of energy harvesters and energy storage devices for self-powered electronics. We summarize research on recent energy harvesters based on the piezoelectric, triboelectric, pyroelectric, thermoelectric, and photovoltaic effects. We also cover hybrid cell technologies to simultaneously generate electricity using multiple types of environmental energy, such as mechanical, thermal, and solar energy. Energy harvesters based on the coupling of multiple energy sources exhibit enhancement of power generation performance with synergetic effects. Finally, integration of energy harvesters and energy storage devices is introduced. In particular, self-charging power cells provide an innovative approach to the direct conversion of mechanical energy into electrochemical energy to decrease energy conversion loss. Currently, integration of energy harvesting and storage devices is considered to be one of the most important energy-related technologies due to the possibility of replacing batteries or at least extending the lifetime of a battery. This review aims to describe current progress in the various types of energy harvesters, hybrid energy harvesters, including multi-type energy harvesters with coupling of multiple energy sources, and hybridization of energy harvesters and energy storage devices for self-powered electronics. We summarize research on recent energy harvesters based on the piezoelectric, triboelectric, pyroelectric, thermoelectric, and photovoltaic effects. We also cover hybrid cell technologies to simultaneously generate electricity using multiple types of environmental energy, such as mechanical, thermal, and solar energy. Energy harvesters based on the coupling of multiple energy sources exhibit enhancement of power generation performance with synergetic effects. Finally, integration of energy harvesters and energy storage devices is introduced. In particular, self-charging power cells provide an innovative approach to the direct conversion of mechanical energy into electrochemical energy to decrease energy conversion loss.

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“…Several attempts have been previously made to address this problem by spin-coating a p-type polymer to form a p-n junction [18][19][20][21][22][23]. This greatly improved the output performance of the nanogenerator by reducing the electron screening effects.…”

Section: Introductionmentioning

confidence: 99%

Piezoelectric performance enhancement of ZnO flexible nanogenerator by a NiO–ZnO p–n junction formation

et al. 2015

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Depletion width engineering via surface modification for high performance semiconducting piezoelectric nanogenerators

Cited by 78 publications

References 28 publications

Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film

Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film

All-in-one energy harvesting and storage devices

Piezoelectric performance enhancement of ZnO flexible nanogenerator by a NiO–ZnO p–n junction formation

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