Organic tandem solar cells under indoor light illumination
Swarup Biswas
School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul, 02504 Republic of Korea
Search for more papers by this authorYoung-Jun You
Division of Electronics and Electrical Engineering, Dongguk University, Seoul, 04620 Republic of Korea
Search for more papers by this authorPremkumar Vincent
School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566 Republic of Korea
Search for more papers by this authorCorresponding Author
Jin-Hyuk Bae
School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorCorresponding Author
Jae Won Shim
School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorCorresponding Author
Hyeok Kim
School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul, 02504 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorSwarup Biswas
School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul, 02504 Republic of Korea
Search for more papers by this authorYoung-Jun You
Division of Electronics and Electrical Engineering, Dongguk University, Seoul, 04620 Republic of Korea
Search for more papers by this authorPremkumar Vincent
School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566 Republic of Korea
Search for more papers by this authorCorresponding Author
Jin-Hyuk Bae
School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, 41566 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorCorresponding Author
Jae Won Shim
School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorCorresponding Author
Hyeok Kim
School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul, 02504 Republic of Korea
Correspondence
J. H. Bae, School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu, Republic of Korea.
Email: [email protected]
J. W. Shim, School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
Email: [email protected]
H. Kim, School of Electrical and Computer Engineering, Institute of Information Technology, University of Seoul, 163 Seoulsiripdaero, Dongdaemun-gu, Seoul 02504, Republic of Korea.
Email: [email protected]
Search for more papers by this authorSwarup Biswas, Young-Jun You, and Premkumar Vincent contributed equally to this work.
Abstract
The lifetime of a device depends highly on that of its battery. In order to enhance the longevity of microsystems or sensor networks, it is necessary for these devices to be self-powered. Indoor photovoltaics allow the possibility of harvesting artificial light sources for powering microsystems. Whereas indoor photovoltaics based on single active layers have showed high efficiencies under LED lighting, tandem structures have yet to be tested extensively. In our study, we use finite-difference time-domain simulations to study the highest possible short-circuit current density that can be extracted from tandem organic devices. We compare the simulation results to the results for photovoltaic devices based on single bulk active layer heterojunctions. Our simulations found that although detailed balanced band gap calculations show tandem photovoltaics to be viable, the low-intensity emission spectra of white LED light sources can be better harvested by single active layer-based photovoltaics. The current-matching limitation of a tandem photovoltaic structure connected in series limits the highest output current and open-circuit voltage of the device and, thus, its performance for the illumination of lower intensity light.
Supporting Information
| Filename | Description |
|---|---|
| pip3301-sup-0001-Supplementary_information.docxWord document, 193 KB |
FIGURE S1: (a) The electric field intensity (|E|2) distribution inside the tandem device structure. FIGURE S2: The imaginary part of permittivity of each layer of the tandem device is plotted. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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