Naphthalocyanine-Based NIR Organic Photodiode: Understanding the Role of Different Types of Fullerenes

In this work, we presented experimental observation on solution-processed bulk heterojunction organic photodiode using vanadyl 2,11,20,29-tetra tert-butyl 2,3 naphthalocyanine (VTTBNc) as a p-type material. VTTBNc is blended with two different acceptors, which are PC61BM and PC71BM, to offer further...

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Bibliographic Details
Published in:Micromachines (Basel) 2021-11, Vol.12 (11), p.1383
Main Authors: Alwi, Siti Anis Khairani, Hisamuddin, Syaza Nafisah, Abdullah, Shahino Mah, Anuar, Afiq, Abdul Rahim, Atiqah Husna, Majid, Siti Rohana, Bawazeer, Tahani M., Alsoufi, Mohammad S., Alsenany, Nourah, Supangat, Azzuliani
Format: Article
Language:English
Subjects:
Electrodes
Electromagnetic absorption
fullerene
Fullerenes
Glass substrates
Heterojunctions
Light
naphthalocyanine
Near infrared radiation
NIR
organic photodiode
Performance evaluation
Photodiodes
Recovery time
solution-processed
Spectrum analysis
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Summary:In this work, we presented experimental observation on solution-processed bulk heterojunction organic photodiode using vanadyl 2,11,20,29-tetra tert-butyl 2,3 naphthalocyanine (VTTBNc) as a p-type material. VTTBNc is blended with two different acceptors, which are PC61BM and PC71BM, to offer further understanding in evaluating the performance in organic photodiode (OPD). The blend film of VTTBNc:PC71BM with a volumetric ratio of 1:1 exhibits optimized performance in the VTTBNc blend structure with 2.31 × 109 Jones detectivity and 26.11 mA/W responsivity at a −1 V bias. The response and recovery time of VTTBNc:PC71BM were recorded as 241 ms and 310 ms, respectively. The light absorption measurement demonstrated that VTTBNc could extend the light absorption to the near-infrared (NIR) region. The detail of the enhancement of the performance by adding VTTBNc to the blend was further explained in the discussion section.
ISSN:2072-666X
2072-666X
DOI:10.3390/mi12111383