A composite of a graphene oxide derivative as a novel sensing layer in an organic field-effect transistor

Kim, Yebyeol; An, Tae Kyu; Kim, Jiye; Hwang, Jihun; Park, Seonuk; Nam, Sooji; Cha, Hyojung; Park, Won Jeong; Baik, Jeong Min; Park, Jin Young

doi:10.1039/c4tc00376d

Cited by 39 publications

(31 citation statements)

References 29 publications

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“…), has received a lot of attention for the development of better sensing materials via functionalization, hybridization, or by combining it with other materials. [8,[19][20][21] Furthermore, due to its tunable bandgap and ambipolar characteristics, utilizing R-GO as the charge transport layer [22][23][24] in the sensor platform of a transistor can enable us to understand the sensing behaviors and mechanisms better, thereby allowing for easier optimization of the device performance. This could enable us to meet the requirements of wearable chemical sensing applications.…”

mentioning

confidence: 99%

Flexible Transparent Reduced Graphene Oxide Sensor Coupled with Organic Dye Molecules for Rapid Dual‐Mode Ammonia Gas Detection

Duy

Trung

Dang

et al. 2016

Adv Funct Materials

116

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Flexible chemical sensors utilizing chemically sensitive nanomaterials are of great interest for wearable sensing applications. However, obtaining high performance flexible chemical sensors with high sensitivity, fast response, transparency, stability, and workability at ambient conditions is still challenging. Herein, a newly designed flexible and transparent chemical sensor of reduced graphene oxide (R‐GO) coupled with organic dye molecules (bromophenol blue) is introduced. This device has promising properties such as high mechanical flexibility (>5000 bending cycles with a bending radius of 0.95 cm) and optical transparency (>60% in the visible region). Furthermore, stacking the water‐trapping dye layer on R‐GO enables a higher response as well as workability in a large relative humidity range (up to 80%), and dual‐mode detection capabilities of colorimetric and electrical sensing for NH3 gas (5–40 ppm). These advantageous attributes of the flexible and transparent R‐GO sensor coupled with organic dye molecules provide great potential for real‐time monitoring of toxic gas/vapor in future practical chemical sensing at room conditions in wearable electronics.

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mentioning

confidence: 99%

Flexible Transparent Reduced Graphene Oxide Sensor Coupled with Organic Dye Molecules for Rapid Dual‐Mode Ammonia Gas Detection

Duy

Trung

Dang

et al. 2016

Adv Funct Materials

116

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“…Graphene (single graphitic sheet) has sp 2 hybridized carbon-carbon bonding and exhibits excellent physiochemical properties [1]. Graphene has found applications in almost all scientific and engineering fields [3][4][5][6][7]. In particular, graphene has found many advanced applications in electronic devices such as sensors, field effect transistors and logic gates [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

In-situ one pot synthesis of graphene-ZnO nanohybrid and its application to UV light detection

Rattan

Kumar

Goswamy

2020

Mater. Res. Express

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The development of molecular/nanoscale level assemblies allows the foundation of many potential novel applications. Chemical approach is one of the most favoured techniques to manipulate the nano-materials in a controllable manner. Herein, we report a simple and reliable one pot technique for preparing graphene-ZnO nanohybrid by coordinating zinc metal ions from precursor, which further led to the growth of ZnO nanoparticles on graphene sheets. The developed heterostructures were characterized through X-ray diffractometry, Fourier transformed infra-red (FTIR) spectroscopy, UV-visible spectroscopy and field emission scanning electron microscopy (FESEM). Morphological details revealed the dense loading of ZnO nanoparticles onto the surface of graphene. The nanohybrid was found to be electrically more responsive to the incident UV light compared to ZnO nanoparticles alone. The proposed method can lead to the fabrication of highly sensitive flexible light detector.

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“…Designing temperature sensors with small hysteresis, good linearity, low temperature coefficient and short response time is a great challenge, and nowadays advanced nanoparticles especially conducting carbon are employed for it [1,[15][16][17]. For example, two dimensional graphene nanosheets and their derivatives have been studied for various sensor devices due to its ultra-high specific surface area ($2630 m 2 /g) and excellent electronic properties [18,19].…”

Section: Introductionmentioning

confidence: 99%

Reduced graphene oxide filled cellulose films for flexible temperature sensor application

et al. 2015

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A composite of a graphene oxide derivative as a novel sensing layer in an organic field-effect transistor

Abstract: The receptor material (OA-GO)/polymeric semiconductor (F8T2) structure is newly introduced to active layer of OFET gas sensors and demonstrated to have better sensing ability than a comparable device with a polymer-only active layer.

Cited by 39 publications

References 29 publications

Flexible Transparent Reduced Graphene Oxide Sensor Coupled with Organic Dye Molecules for Rapid Dual‐Mode Ammonia Gas Detection

Flexible Transparent Reduced Graphene Oxide Sensor Coupled with Organic Dye Molecules for Rapid Dual‐Mode Ammonia Gas Detection

In-situ one pot synthesis of graphene-ZnO nanohybrid and its application to UV light detection

Reduced graphene oxide filled cellulose films for flexible temperature sensor application

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