Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch

Yen Ming Juan; Han Ting Hsueh; Shoou Jinn Chang; T. H. Chang; K. C. Lai; T. C. Cheng; Y. D. Lin; C. J. Chiu; Wen Yin Weng

doi:10.1109/LED.2014.2347039

Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch

Yen Ming Juan, Han Ting Hsueh, Shoou Jinn Chang, T. H. Chang, K. C. Lai, T. C. Cheng, Y. D. Lin, C. J. Chiu, Wen Yin Weng

研究成果: Article › 同行評審

3 引文斯高帕斯（Scopus）

摘要

In this letter, a Ta₂O₅/a-IGZO thin film transistor (TFT) was directly stacked on a crystalline-Si interdigitated back contact (IBC) photovoltaic (PV) cell to create a self-powered solar switch. The a-IGZO TFT and IBC PV cell were integrated into a single chip without an external circuit. This device exhibits switching property induced by illumination. The results show that it can be switched even under a low solar illumination of 300 W/m² due to the low threshold voltage of the a-IGZO TFT (0.25 V). The ON/OFF current contrast ratio was measured to be ∼ 20 under 1-sun illumination. The fabrication process and characteristics of this device make it suitable and practicable for use as a self-powered solar switch.

原文	English
文章編號	6891171
頁（從 - 到）	1040-1042
頁數	3
期刊	IEEE Electron Device Letters
卷	35
發行號	10
DOIs	https://doi.org/10.1109/LED.2014.2347039
出版狀態	Published - 2014 10月 1

All Science Journal Classification (ASJC) codes

電子、光磁材料
電氣與電子工程

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10.1109/LED.2014.2347039

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Juan, Y. M., Hsueh, H. T., Chang, S. J., Chang, T. H., Lai, K. C., Cheng, T. C., Lin, Y. D., Chiu, C. J., & Weng, W. Y. (2014). Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch. IEEE Electron Device Letters, 35(10), 1040-1042. 文章 6891171. https://doi.org/10.1109/LED.2014.2347039

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title = "Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch",

abstract = "In this letter, a Ta2O5/a-IGZO thin film transistor (TFT) was directly stacked on a crystalline-Si interdigitated back contact (IBC) photovoltaic (PV) cell to create a self-powered solar switch. The a-IGZO TFT and IBC PV cell were integrated into a single chip without an external circuit. This device exhibits switching property induced by illumination. The results show that it can be switched even under a low solar illumination of 300 W/m2 due to the low threshold voltage of the a-IGZO TFT (0.25 V). The ON/OFF current contrast ratio was measured to be ∼ 20 under 1-sun illumination. The fabrication process and characteristics of this device make it suitable and practicable for use as a self-powered solar switch.",

author = "Juan, {Yen Ming} and Hsueh, {Han Ting} and Chang, {Shoou Jinn} and Chang, {T. H.} and Lai, {K. C.} and Cheng, {T. C.} and Lin, {Y. D.} and Chiu, {C. J.} and Weng, {Wen Yin}",

note = "Publisher Copyright: {\textcopyright} 2014 IEEE.",

year = "2014",

month = oct,

day = "1",

doi = "10.1109/LED.2014.2347039",

language = "English",

volume = "35",

pages = "1040--1042",

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Juan, YM, Hsueh, HT, Chang, SJ, Chang, TH, Lai, KC, Cheng, TC, Lin, YD, Chiu, CJ & Weng, WY 2014, 'Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch', IEEE Electron Device Letters, 卷 35, 編號 10, 6891171, 頁 1040-1042. https://doi.org/10.1109/LED.2014.2347039

TY - JOUR

T1 - Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch

AU - Juan, Yen Ming

AU - Hsueh, Han Ting

AU - Chang, Shoou Jinn

AU - Chang, T. H.

AU - Lai, K. C.

AU - Cheng, T. C.

AU - Lin, Y. D.

AU - Chiu, C. J.

AU - Weng, Wen Yin

PY - 2014/10/1

Y1 - 2014/10/1

N2 - In this letter, a Ta2O5/a-IGZO thin film transistor (TFT) was directly stacked on a crystalline-Si interdigitated back contact (IBC) photovoltaic (PV) cell to create a self-powered solar switch. The a-IGZO TFT and IBC PV cell were integrated into a single chip without an external circuit. This device exhibits switching property induced by illumination. The results show that it can be switched even under a low solar illumination of 300 W/m2 due to the low threshold voltage of the a-IGZO TFT (0.25 V). The ON/OFF current contrast ratio was measured to be ∼ 20 under 1-sun illumination. The fabrication process and characteristics of this device make it suitable and practicable for use as a self-powered solar switch.

AB - In this letter, a Ta2O5/a-IGZO thin film transistor (TFT) was directly stacked on a crystalline-Si interdigitated back contact (IBC) photovoltaic (PV) cell to create a self-powered solar switch. The a-IGZO TFT and IBC PV cell were integrated into a single chip without an external circuit. This device exhibits switching property induced by illumination. The results show that it can be switched even under a low solar illumination of 300 W/m2 due to the low threshold voltage of the a-IGZO TFT (0.25 V). The ON/OFF current contrast ratio was measured to be ∼ 20 under 1-sun illumination. The fabrication process and characteristics of this device make it suitable and practicable for use as a self-powered solar switch.

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Integration of a-IGZO thin-film transistor and crystalline-Si interdigitated back contact photovoltaic cell with 3D stacking structure as self-powered solar switch

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