PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector
We present a ternary blend-based bulk heterojunction ITO/PEDOT:PSS/PFO-DBT: MEH-PPV:PC71BM/LiF/Al photodetector. Enhanced optical absorption range of the active film has been achieved by blending two donor components viz. poly[2,7-(9,9-di-octylfluorene)-alt-4,7-bis(thiophen-2-yl)benzo-2,1,3-thiadiaz...
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| Format: | Article |
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MDPI
2015
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| _version_ | 1825721276430286848 |
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| author | Zafar, Q. Ahmad, Z. Sulaiman, K. |
| author_facet | Zafar, Q. Ahmad, Z. Sulaiman, K. |
| author_sort | Zafar, Q. |
| collection | UM |
| description | We present a ternary blend-based bulk heterojunction ITO/PEDOT:PSS/PFO-DBT: MEH-PPV:PC71BM/LiF/Al photodetector. Enhanced optical absorption range of the active film has been achieved by blending two donor components viz. poly[2,7-(9,9-di-octylfluorene)-alt-4,7-bis(thiophen-2-yl)benzo-2,1,3-thiadiazole] (PFO-DBT) and poly(2-methoxy-5(2'-ethylhexyloxy) phenylenevinylene (MEH-PPV) along with an acceptor component, i.e., (6,6)-phenyl-C71 hexnoic acid methyl ester. The dependency of the generation rate of free charge carriers in the organic photodetector (OPD) on varied incident optical power density was investigated as a function of different reverse biasing voltages. The photocurrent showed significant enhancement as the intensity of light impinging on active area of OPD is increased. The ratio of Ilight to Idark of fabricated device at -3 V was ∼3.5 × 104. The dynamic behaviour of the OPD under on/off switching irradiation revealed that sensor exhibits quick response and recovery time of <800 ms and 500 ms, respectively. Besides reliability and repeatability in the photoresponse characteristics, the cost-effective and eco-friendly fabrication is the added benefit of the fabricated OPD. |
| first_indexed | 2024-03-06T05:47:56Z |
| format | Article |
| id | um.eprints-19318 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:47:56Z |
| publishDate | 2015 |
| publisher | MDPI |
| record_format | dspace |
| spelling | um.eprints-193182018-09-20T04:33:22Z http://eprints.um.edu.my/19318/ PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector Zafar, Q. Ahmad, Z. Sulaiman, K. Q Science (General) QC Physics We present a ternary blend-based bulk heterojunction ITO/PEDOT:PSS/PFO-DBT: MEH-PPV:PC71BM/LiF/Al photodetector. Enhanced optical absorption range of the active film has been achieved by blending two donor components viz. poly[2,7-(9,9-di-octylfluorene)-alt-4,7-bis(thiophen-2-yl)benzo-2,1,3-thiadiazole] (PFO-DBT) and poly(2-methoxy-5(2'-ethylhexyloxy) phenylenevinylene (MEH-PPV) along with an acceptor component, i.e., (6,6)-phenyl-C71 hexnoic acid methyl ester. The dependency of the generation rate of free charge carriers in the organic photodetector (OPD) on varied incident optical power density was investigated as a function of different reverse biasing voltages. The photocurrent showed significant enhancement as the intensity of light impinging on active area of OPD is increased. The ratio of Ilight to Idark of fabricated device at -3 V was ∼3.5 × 104. The dynamic behaviour of the OPD under on/off switching irradiation revealed that sensor exhibits quick response and recovery time of <800 ms and 500 ms, respectively. Besides reliability and repeatability in the photoresponse characteristics, the cost-effective and eco-friendly fabrication is the added benefit of the fabricated OPD. MDPI 2015 Article PeerReviewed Zafar, Q. and Ahmad, Z. and Sulaiman, K. (2015) PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector. Sensors, 15 (1). pp. 965-978. ISSN 1424-8220, DOI https://doi.org/10.3390/s150100965 <https://doi.org/10.3390/s150100965>. http://dx.doi.org/10.3390/s150100965 doi:10.3390/s150100965 |
| spellingShingle | Q Science (General) QC Physics Zafar, Q. Ahmad, Z. Sulaiman, K. PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title | PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title_full | PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title_fullStr | PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title_full_unstemmed | PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title_short | PFO-DBT:MEH-PPV:PC71BM Ternary Blend Assisted Platform as a Photodetector |
| title_sort | pfo dbt meh ppv pc71bm ternary blend assisted platform as a photodetector |
| topic | Q Science (General) QC Physics |
| work_keys_str_mv | AT zafarq pfodbtmehppvpc71bmternaryblendassistedplatformasaphotodetector AT ahmadz pfodbtmehppvpc71bmternaryblendassistedplatformasaphotodetector AT sulaimank pfodbtmehppvpc71bmternaryblendassistedplatformasaphotodetector |