Piezo-Phototronic Effect: Regulation of Charge Carrier Dynamics in ZnO Microarchitecture-Based UV/Visible Photodetector via Photonic-Strain Induced Effects (Small 11/2018)

Yuvasree Purusothaman,

Yuvasree Purusothaman

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Nagamalleswara Rao Alluri,

Nagamalleswara Rao Alluri

School of Applied Energy Systems, Major in Mechanical Engineering, Jeju National University, Jeju, 63243 South Korea

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Arunkumar Chandrasekhar,

Arunkumar Chandrasekhar

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Venkateswaran Vivekananthan,

Venkateswaran Vivekananthan

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Sang-Jae Kim,

Sang-Jae Kim

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Yuvasree Purusothaman,

Yuvasree Purusothaman

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Nagamalleswara Rao Alluri,

Nagamalleswara Rao Alluri

School of Applied Energy Systems, Major in Mechanical Engineering, Jeju National University, Jeju, 63243 South Korea

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Arunkumar Chandrasekhar,

Arunkumar Chandrasekhar

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Venkateswaran Vivekananthan,

Venkateswaran Vivekananthan

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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Sang-Jae Kim,

Sang-Jae Kim

Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju, 63243 South Korea

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First published: 15 March 2018

https://doi.org/10.1002/smll.201870048

Citations: 1

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Graphical Abstract

In article number 1703044, Sang-Jae Kim and co-workers demonstrate a flexible ZnO photodetector based on unique microarchitectural influences (e.g., microwire, coral-like microstrip, and fibril-like clustered microwire). The photodetector has the capability to detect the broadband spectrum in the UV/visible range. The behavior of the electrical transport characteristics is determined through conceptual realization of the external strain induced piezo-phototronic effect. This work paves the way for the development of next generation self-powered optoelectronic integrated devices and switches.