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@article{faucris.262424201,
abstract = {Van der Waals (vdW) heterostructures composing of organic molecules with inorganic 2D crystals open the door to fabricate various promising hybrid devices. Here, a fully ordered organic self-assembled monolayer (SAM) to construct hybrid organic–inorganic vdW heterojunction phototransistors for highly sensitive light detection is used. The heterojunctions, formed by layering MoS2 monolayer crystals onto organic [12-(benzo[b]benzo[4,5]thieno[2,3-d]thiophen-2-yl)dodecyl)]phosphonic acid SAM, are characterized by Raman and photoluminescence spectroscopy as well as Kelvin probe force microscopy. Remarkably, this vdW heterojunction transistor exhibits a superior photoresponsivity of 475 A W−1 and enhanced external quantum efficiency of 1.45 × 105%, as well as an extremely low dark photocurrent in the pA range. This work demonstrates that hybridizing SAM with 2D materials can be a promising strategy for fabricating diversified optoelectronic devices with unique properties.},
author = {Zhao, Baolin and Gan, Ziyang and Johnson, Manuel and Najafidehaghani, Emad and Rejek, Tobias and George, Antony and Fink, Rainer and Turchanin, Andrey and Halik, Marcus},
doi = {10.1002/adfm.202105444},
faupublication = {yes},
journal = {Advanced Functional Materials},
keywords = {charge transfer; organic–inorganic hybrid; photodetection; self-assembled monolayer; transition metal dichalcogenides; van der Waals heterojunction},
note = {CRIS-Team Scopus Importer:2021-08-06},
peerreviewed = {Yes},
title = {{2D} van der {Waals} {Heterojunction} of {Organic} and {Inorganic} {Monolayers} for {High} {Responsivity} {Phototransistors}},
year = {2021}
}