Concentrating photovoltaic system using a liquid crystal lens

Yu Shih Tsou; Yi Hsin Lin; An Chi Wei

doi:10.1109/LPT.2012.2224857

Concentrating photovoltaic system using a liquid crystal lens

Yu Shih Tsou, Yi Hsin Lin, An Chi Wei

Graduate Institute of Energy Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A concentrating photovoltaic (CPV) system with a steady electric output adopting an electrically tunable concentration ratio of the liquid crystals (LC) lens is demonstrated. The distribution of the LC directors of the LC lens can be controlled by an applied voltage in order to adjust the number of incident photons in an area. As a result, the CPV system adopting an LC lens can be operated with a static and maximum output power density under different ambient illuminations because the LC lens with an electrically tunable concentration ratio helps to increase the photocurrent at a low illumination and prevent the effect of the series resistance at a high illumination. The detailed operating principles are discussed, and the experimental results are performed. We believe this letter can help enhance the output power density of CPV systems by using active optical elements whose concentration ratio is tunable.

Original language	English
Article number	6330984
Pages (from-to)	2239-2242
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	24
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2012.2224857
State	Published - 2012

Keywords

Concentrating photovoltaic
liquid crystal (LC)
liquid crystal lens

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/LPT.2012.2224857

Cite this

@article{7f8148b64c7340258aad48e35b12012c,

title = "Concentrating photovoltaic system using a liquid crystal lens",

abstract = "A concentrating photovoltaic (CPV) system with a steady electric output adopting an electrically tunable concentration ratio of the liquid crystals (LC) lens is demonstrated. The distribution of the LC directors of the LC lens can be controlled by an applied voltage in order to adjust the number of incident photons in an area. As a result, the CPV system adopting an LC lens can be operated with a static and maximum output power density under different ambient illuminations because the LC lens with an electrically tunable concentration ratio helps to increase the photocurrent at a low illumination and prevent the effect of the series resistance at a high illumination. The detailed operating principles are discussed, and the experimental results are performed. We believe this letter can help enhance the output power density of CPV systems by using active optical elements whose concentration ratio is tunable.",

keywords = "Concentrating photovoltaic, liquid crystal (LC), liquid crystal lens",

author = "Tsou, {Yu Shih} and Lin, {Yi Hsin} and Wei, {An Chi}",

note = "Funding Information: Manuscript received July 19, 2012; revised October 4, 2012; accepted October 10, 2012. Date of publication October 15, 2012; date of current version November 28, 2012. This work was supported in part by the National Science Council (NSC) in Taiwan under Contract 101-2112-M-009-011-MY3. Y.-S. Tsou and Y.-H. Lin are with the Department of Photonics, National Chiao Tung University, Hsinchu 30010, Taiwan (e-mail: yilin@ mail.nctu.edu.tw; jameslin@faculty.nsysu.edu.tw). A.-C. Wei is with Foxsemicon Integrated Technology Inc., Miaoli 350-53, Taiwan (e-mail: an-chi.wei@plenstek.com). Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2012.2224857",

year = "2012",

doi = "10.1109/LPT.2012.2224857",

language = "???core.languages.en_GB???",

volume = "24",

pages = "2239--2242",

journal = "IEEE Photonics Technology Letters",

issn = "1041-1135",

number = "24",

}

TY - JOUR

T1 - Concentrating photovoltaic system using a liquid crystal lens

AU - Tsou, Yu Shih

AU - Lin, Yi Hsin

AU - Wei, An Chi

N1 - Funding Information: Manuscript received July 19, 2012; revised October 4, 2012; accepted October 10, 2012. Date of publication October 15, 2012; date of current version November 28, 2012. This work was supported in part by the National Science Council (NSC) in Taiwan under Contract 101-2112-M-009-011-MY3. Y.-S. Tsou and Y.-H. Lin are with the Department of Photonics, National Chiao Tung University, Hsinchu 30010, Taiwan (e-mail: yilin@ mail.nctu.edu.tw; jameslin@faculty.nsysu.edu.tw). A.-C. Wei is with Foxsemicon Integrated Technology Inc., Miaoli 350-53, Taiwan (e-mail: an-chi.wei@plenstek.com). Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2012.2224857

PY - 2012

Y1 - 2012

N2 - A concentrating photovoltaic (CPV) system with a steady electric output adopting an electrically tunable concentration ratio of the liquid crystals (LC) lens is demonstrated. The distribution of the LC directors of the LC lens can be controlled by an applied voltage in order to adjust the number of incident photons in an area. As a result, the CPV system adopting an LC lens can be operated with a static and maximum output power density under different ambient illuminations because the LC lens with an electrically tunable concentration ratio helps to increase the photocurrent at a low illumination and prevent the effect of the series resistance at a high illumination. The detailed operating principles are discussed, and the experimental results are performed. We believe this letter can help enhance the output power density of CPV systems by using active optical elements whose concentration ratio is tunable.

AB - A concentrating photovoltaic (CPV) system with a steady electric output adopting an electrically tunable concentration ratio of the liquid crystals (LC) lens is demonstrated. The distribution of the LC directors of the LC lens can be controlled by an applied voltage in order to adjust the number of incident photons in an area. As a result, the CPV system adopting an LC lens can be operated with a static and maximum output power density under different ambient illuminations because the LC lens with an electrically tunable concentration ratio helps to increase the photocurrent at a low illumination and prevent the effect of the series resistance at a high illumination. The detailed operating principles are discussed, and the experimental results are performed. We believe this letter can help enhance the output power density of CPV systems by using active optical elements whose concentration ratio is tunable.

KW - Concentrating photovoltaic

KW - liquid crystal (LC)

KW - liquid crystal lens

UR - http://www.scopus.com/inward/record.url?scp=84870528825&partnerID=8YFLogxK

U2 - 10.1109/LPT.2012.2224857

DO - 10.1109/LPT.2012.2224857

M3 - 期刊論文

AN - SCOPUS:84870528825

VL - 24

SP - 2239

EP - 2242

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

SN - 1041-1135

IS - 24

M1 - 6330984

ER -

Concentrating photovoltaic system using a liquid crystal lens

Abstract

Keywords

UN SDGs

Access to Document

Fingerprint

Cite this