On-chip energy storage integrated with solar cells using a laser scribed graphene oxide film | Zendy

Litty V. Thekkekara | Zendy; Baohua Jia | Zendy; Yinan Zhang | Zendy; Ling Qiu | Zendy; Dan Li | Zendy; Miṅ Gu | Zendy

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On-chip energy storage integrated with solar cells using a laser scribed graphene oxide film

Author(s) -

Litty V. Thekkekara,

Baohua Jia,

Yinan Zhang,

Ling Qiu,

Dan Li,

Miṅ Gu

Publication year - 2015

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4927145

Subject(s) - icon , citation , computer science , graphene , download , world wide web , energy (signal processing) , information retrieval , physics , multimedia , nanotechnology , materials science , quantum mechanics , programming language

We demonstrate an on-chip concept of the energy storage integrated with crystalline silicon solar cells using a laser scribed graphene oxide film, which can lead to the miniaturization in size and the minimization in cost of optoelectronic devices. The integrated solar supercapacitor with 62% columbic efficiency is directly written on the reverse side of solar cell without any loss in the solar cell performance. The energy and power density of the obtained energy storage devices are comparable to those of electrolytic capacitors even after a number of charging-discharging measurements

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