This book is the first standalone title on organic narrowband photodetectors, providing a comprehensive and up-to-date overview of the field and its applications. Organic Narrowband Photodetectors will benefit researchers and practitioners in optoelectronics, organic semiconductors, and related fields, as well as technology enthusiasts and students in physics, electronics engineering, chemistry, and material science.
Author(s): Vincenzo Pecunia
Publisher: IOP Publishing
Year: 2020
Language: English
Pages: 190
City: Bristol
PRELIMS.pdf
Preface
Acknowledgements
Author biography
Vincenzo Pecunia
Symbols
CH001.pdf
Chapter 1 Detecting light in a multispectral world
1.1 Introduction
1.2 Application areas of narrowband photodetection
1.2.1 Narrowband photodetection in the visible range
1.2.2 Narrowband photodetection in the NIR range
1.2.3 Narrowband photodetection in the UV range
1.3 Benchmark technologies for narrowband photodetection
1.4 Motivation for organic narrowband photodetectors
1.5 Summary
References
CH002.pdf
Chapter 2 Introduction to organic photodetectors
2.1 Phototransduction and photoconversion
2.2 Organic semiconductors for photodetection
2.2.1 Identity and structure
2.2.2 Absorption properties
2.2.3 From excitons to photocarriers
2.2.4 Organic photoactive layers for photodetection
2.3 Device architectures
2.3.1 Organic photoconductors
2.3.2 Organic photodiodes
2.4 Figures of merit of organic photodetectors
2.4.1 Responsivity
2.4.2 Dark current
2.4.3 Noise
2.4.4 Speed of response
2.4.5 Linearity
2.5 Summary
References
CH003.pdf
Chapter 3 Narrowband photodetection
3.1 Spectral selectivity
3.1.1 Essential concepts and definitions
3.1.2 Spectral selectivity in context
3.2 General categories of organic narrowband photodetectors
3.3 Non-filtered narrowband photodetection: narrowband absorption
3.3.1 Narrowband absorption with stacking
3.4 Filtered narrowband photodetection: input optical filtering (InpF)
3.5 Filtered narrowband photodetection: internal filtering (IntF)
3.5.1 Internal filtering through an IOEF-PCL planar heterojunction (IOEF∣PCL)
3.5.2 Internal filtering in a single-component photoactive layer (IntF-1)
3.5.3 Charge collection narrowing (CCN)
3.6 Resonance-based narrowband photodetection: the microcavity approach
3.7 Time-domain narrowband photodetection
3.8 Summary
References
CH004.pdf
Chapter 4 Organic narrowband photodetectors: materials
4.1 Small molecules for narrowband photodetection in the visible and the NIR range
4.1.1 Dyes and derivatives
4.1.2 J and H aggregation
4.1.3 Fullerenes
4.1.4 Non-fullerene acceptors
4.1.5 Dendronisation
4.1.6 D–A molecules approaching the cyanine limit
4.2 Polymers for narrowband photodetection in the visible and NIR range
4.2.1 Polyfluorene-based polymers
4.2.2 Polythiophenes
4.2.3 Low-bandgap D–A polymers for narrowband photodetection in the red and the NIR range
4.2.4 Donor–donor polymers for NBA-based narrowband photodetection
4.3 Organic semiconductors for narrowband UV photodetection
4.3.1 Small molecules
4.3.2 Polymer donors
4.4 Inorganic components
4.5 Processing
4.6 Summary
References
CH005.pdf
Chapter 5 Organic narrowband photodetectors: performance
5.1 Introduction
5.2 Photoconversion efficiency and its spectral width
5.2.1 Blue-selective photodetectors (400–500 nm)
5.2.2 Green-selective photodetectors (500–600 nm)
5.2.3 Red-selective photodetectors (600–750 nm)
5.2.4 Narrowband NIR photodetectors (750 nm—2 μm)
5.2.5 Narrowband UV photodetectors (200–400 nm)
5.3 Dark current
5.4 Detectivity
5.5 Speed of response
5.6 Linear dynamic range
5.7 Summary and conclusions
References
CH006.pdf
Chapter 6 Integration for real-world applications
6.1 Colour imaging
6.2 Spectrometry
6.3 Visible light communications
6.4 Summary and conclusions
References
APP1.pdf
Chapter
Reference
APP2.pdf
Chapter
B.1 Selection of relevant literature
B.2 Description and specifications of table entries
B.2.1 Photoactive layer
B.2.2 Process
B.2.3 Configuration
B.2.4 Architecture
B.2.5 EQEp, λp, and FWHM
B.2.6 3 dB frequency
B.2.7 Dark current
B.2.8 Bias condition
APP3.pdf
Chapter
C.1 Integration
C.2 Substrate
C.3 Process
C.4 Configuration
C.5 Organic photoactive layer
C.6 EQE and FWHM