Nature Nanotechnology, volume 7, issue 6, pages 363-368

Hybrid graphene–quantum dot phototransistors with ultrahigh gain

Gerasimos Konstantatos ¹

Michela Badioli ¹

Louis Gaudreau ¹

Johann Osmond ¹

María Bernechea ¹

F Pelayo García De Arquer ¹

Fabio Gatti ¹

Frank H L Koppens ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

ICFO — Institut de Ciencies Fotoniques, Mediterranean Technology Park, Castelldefels, Spain |

Publication type: Journal Article

Publication date: 2012-05-06

Springer Nature

Journal: Nature Nanotechnology

Quartile SCImago

Quartile WOS

Impact factor: 38.3

ISSN: 17483387, 17483395

DOI: 10.1038/nnano.2012.60

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Atomic and Molecular Physics, and Optics

Condensed Matter Physics

General Materials Science

Electrical and Electronic Engineering

Bioengineering

Biomedical Engineering

Abstract

Graphene is an attractive material for optoelectronics1 and photodetection applications2,3,4,5,6 because it offers a broad spectral bandwidth and fast response times. However, weak light absorption and the absence of a gain mechanism that can generate multiple charge carriers from one incident photon have limited the responsivity of graphene-based photodetectors to ∼10−2 A W−1. Here, we demonstrate a gain of ∼108 electrons per photon and a responsivity of ∼107 A W−1 in a hybrid photodetector that consists of monolayer or bilayer graphene covered with a thin film of colloidal quantum dots. Strong and tunable light absorption in the quantum-dot layer creates electric charges that are transferred to the graphene, where they recirculate many times due to the high charge mobility of graphene and long trapped-charge lifetimes in the quantum-dot layer. The device, with a specific detectivity of 7 × 1013 Jones, benefits from gate-tunable sensitivity and speed, spectral selectivity from the short-wavelength infrared to the visible, and compatibility with current circuit technologies. A phototransistor in which electric charges are absorbed by colloidal quantum dots and circulated in graphene exhibits high values for gain, responsivity and specific detectivity.

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Citations by journals

	10 20 30 40 50 60 70 80 90 100
ACS applied materials & interfaces	ACS applied materials & interfaces, 96, 4.98% ACS applied materials & interfaces 96 publications, 4.98%
Advanced Materials	Advanced Materials, 84, 4.36% Advanced Materials 84 publications, 4.36%
Advanced Functional Materials	Advanced Functional Materials, 70, 3.63% Advanced Functional Materials 70 publications, 3.63%
Advanced Optical Materials	Advanced Optical Materials, 64, 3.32% Advanced Optical Materials 64 publications, 3.32%
Nano Letters	Nano Letters, 62, 3.22% Nano Letters 62 publications, 3.22%
Nanoscale	Nanoscale, 62, 3.22% Nanoscale 62 publications, 3.22%
ACS Nano	ACS Nano, 60, 3.11% ACS Nano 60 publications, 3.11%
Applied Physics Letters	Applied Physics Letters, 54, 2.8% Applied Physics Letters 54 publications, 2.8%
Scientific Reports	Scientific Reports, 50, 2.59% Scientific Reports 50 publications, 2.59%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 49, 2.54% Journal of Materials Chemistry C 49 publications, 2.54%
Small	Small, 45, 2.34% Small 45 publications, 2.34%
ACS Photonics	ACS Photonics, 42, 2.18% ACS Photonics 42 publications, 2.18%
Nanotechnology	Nanotechnology, 42, 2.18% Nanotechnology 42 publications, 2.18%
Nature Communications	Nature Communications, 30, 1.56% Nature Communications 30 publications, 1.56%
RSC Advances	RSC Advances, 27, 1.4% RSC Advances 27 publications, 1.4%
Nanomaterials	Nanomaterials, 26, 1.35% Nanomaterials 26 publications, 1.35%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 25, 1.3% Journal of Physical Chemistry C 25 publications, 1.3%
ACS Applied Nano Materials	ACS Applied Nano Materials, 22, 1.14% ACS Applied Nano Materials 22 publications, 1.14%
Carbon	Carbon, 21, 1.09% Carbon 21 publications, 1.09%
Journal of Applied Physics	Journal of Applied Physics, 16, 0.83% Journal of Applied Physics 16 publications, 0.83%
ACS Applied Electronic Materials	ACS Applied Electronic Materials, 16, 0.83% ACS Applied Electronic Materials 16 publications, 0.83%
Applied Surface Science	Applied Surface Science, 15, 0.78% Applied Surface Science 15 publications, 0.78%
Advanced Materials Interfaces	Advanced Materials Interfaces, 15, 0.78% Advanced Materials Interfaces 15 publications, 0.78%
Physical Review B	Physical Review B, 14, 0.73% Physical Review B 14 publications, 0.73%
Nano Energy	Nano Energy, 14, 0.73% Nano Energy 14 publications, 0.73%
Advanced Electronic Materials	Advanced Electronic Materials, 14, 0.73% Advanced Electronic Materials 14 publications, 0.73%
IEEE Electron Device Letters	IEEE Electron Device Letters, 14, 0.73% IEEE Electron Device Letters 14 publications, 0.73%
Nano Research	Nano Research, 13, 0.67% Nano Research 13 publications, 0.67%
2D Materials	2D Materials, 13, 0.67% 2D Materials 13 publications, 0.67%
	10 20 30 40 50 60 70 80 90 100

Citations by publishers

	50 100 150 200 250 300 350 400
Wiley	Wiley, 376, 19.51% Wiley 376 publications, 19.51%
American Chemical Society (ACS)	American Chemical Society (ACS), 367, 19.05% American Chemical Society (ACS) 367 publications, 19.05%
Springer Nature	Springer Nature, 202, 10.48% Springer Nature 202 publications, 10.48%
Elsevier	Elsevier, 200, 10.38% Elsevier 200 publications, 10.38%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 188, 9.76% Royal Society of Chemistry (RSC) 188 publications, 9.76%
IOP Publishing	IOP Publishing, 117, 6.07% IOP Publishing 117 publications, 6.07%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 93, 4.83% American Institute of Physics (AIP) 93 publications, 4.83%
Multidisciplinary Digital Publishing Institute (MDPI)	Multidisciplinary Digital Publishing Institute (MDPI), 68, 3.53% Multidisciplinary Digital Publishing Institute (MDPI) 68 publications, 3.53%
IEEE	IEEE, 55, 2.85% IEEE 55 publications, 2.85%
Optical Society of America	Optical Society of America, 39, 2.02% Optical Society of America 39 publications, 2.02%
American Physical Society (APS)	American Physical Society (APS), 20, 1.04% American Physical Society (APS) 20 publications, 1.04%
Cambridge University Press	Cambridge University Press, 17, 0.88% Cambridge University Press 17 publications, 0.88%
Pleiades Publishing	Pleiades Publishing, 16, 0.83% Pleiades Publishing 16 publications, 0.83%
Walter de Gruyter	Walter de Gruyter, 13, 0.67% Walter de Gruyter 13 publications, 0.67%
SPIE	SPIE, 11, 0.57% SPIE 11 publications, 0.57%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 10, 0.52% American Association for the Advancement of Science (AAAS) 10 publications, 0.52%
Frontiers Media S.A.	Frontiers Media S.A., 9, 0.47% Frontiers Media S.A. 9 publications, 0.47%
Materials Research Society	Materials Research Society, 6, 0.31% Materials Research Society 6 publications, 0.31%
Japan Society of Applied Physics	Japan Society of Applied Physics, 6, 0.31% Japan Society of Applied Physics 6 publications, 0.31%
Chinese Physical Society	Chinese Physical Society, 6, 0.31% Chinese Physical Society 6 publications, 0.31%
World Scientific	World Scientific, 4, 0.21% World Scientific 4 publications, 0.21%
Taylor & Francis	Taylor & Francis, 4, 0.21% Taylor & Francis 4 publications, 0.21%
SAGE	SAGE, 2, 0.1% SAGE 2 publications, 0.1%
Opto-Electronic Advances	Opto-Electronic Advances, 2, 0.1% Opto-Electronic Advances 2 publications, 0.1%
Beilstein-Institut	Beilstein-Institut, 1, 0.05% Beilstein-Institut 1 publication, 0.05%
Academy of Management	Academy of Management, 1, 0.05% Academy of Management 1 publication, 0.05%
ASME	ASME, 1, 0.05% ASME 1 publication, 0.05%
Bentham Science	Bentham Science, 1, 0.05% Bentham Science 1 publication, 0.05%
The Chemical Society of Japan	The Chemical Society of Japan, 1, 0.05% The Chemical Society of Japan 1 publication, 0.05%
	50 100 150 200 250 300 350 400

We do not take into account publications without a DOI.
Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
Statistics recalculated weekly.

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Konstantatos G. et al. Hybrid graphene–quantum dot phototransistors with ultrahigh gain // Nature Nanotechnology. 2012. Vol. 7. No. 6. pp. 363-368.

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Konstantatos G., Badioli M., Gaudreau L., Osmond J., Bernechea M., De Arquer F. P. G., Gatti F., Koppens F. H. L. Hybrid graphene–quantum dot phototransistors with ultrahigh gain // Nature Nanotechnology. 2012. Vol. 7. No. 6. pp. 363-368.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1038/nnano.2012.60

UR - https://doi.org/10.1038/nnano.2012.60

TI - Hybrid graphene–quantum dot phototransistors with ultrahigh gain

T2 - Nature Nanotechnology

AU - Konstantatos, Gerasimos

AU - Badioli, Michela

AU - Gaudreau, Louis

AU - Osmond, Johann

AU - Bernechea, María

AU - De Arquer, F Pelayo García

AU - Gatti, Fabio

AU - Koppens, Frank H L

PY - 2012

DA - 2012/05/06 00:00:00

PB - Springer Nature

SP - 363-368

IS - 6

VL - 7

SN - 1748-3387

SN - 1748-3395

ER -

BibTex |

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BibTex Copy

@article{2012_Konstantatos,

author = {Gerasimos Konstantatos and Michela Badioli and Louis Gaudreau and Johann Osmond and María Bernechea and F Pelayo García De Arquer and Fabio Gatti and Frank H L Koppens},

title = {Hybrid graphene–quantum dot phototransistors with ultrahigh gain},

journal = {Nature Nanotechnology},

year = {2012},

volume = {7},

publisher = {Springer Nature},

month = {may},

url = {https://doi.org/10.1038/nnano.2012.60},

number = {6},

pages = {363--368},

doi = {10.1038/nnano.2012.60}

}

MLA

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MLA Copy

Konstantatos, Gerasimos, et al. “Hybrid graphene–quantum dot phototransistors with ultrahigh gain.” Nature Nanotechnology, vol. 7, no. 6, May. 2012, pp. 363-368. https://doi.org/10.1038/nnano.2012.60.

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Publisher

Springer Nature

Journal

Nature Nanotechnology

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Quartile WOS

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38.3

ISSN

17483387 (Print)
17483395 (Electronic)