tuning electronic and optical properties of mos2 monolayer ... · tuning electronic and optical...

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Electronic supplementary information (ESI) Tuning Electronic and Optical Properties of MoS 2 Monolayer via Molecular Charge Transfer Yu Jing, Xin Tan, Zhen Zhou †, * and Panwen Shen Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Computational Centre for Molecular Science, Institute of New Energy Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, P. R. China; and School of Materials, Optoelectronics and Physics, Xiangtan University, Xiangtan 411105, Hunan, P. R. China Nankai University Xiangtan University * To whom correspondence should be addressed. Email: [email protected] (Z.Z.) Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A. This journal is © The Royal Society of Chemistry 2014

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Page 1: Tuning Electronic and Optical Properties of MoS2 Monolayer ... · Tuning Electronic and Optical Properties of MoS2 Monolayer via Molecular Charge Transfer Yu Jing,† Xin Tan,‡

Electronic supplementary information (ESI)

Tuning Electronic and Optical Properties of MoS2 Monolayer via

Molecular Charge Transfer

Yu Jing,† Xin Tan,‡ Zhen Zhou†,* and Panwen Shen†

Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Key

Laboratory of Advanced Energy Materials Chemistry (Ministry of Education),

Computational Centre for Molecular Science, Institute of New Energy Material

Chemistry, Collaborative Innovation Center of Chemical Science and Engineering

(Tianjin), Nankai University, Tianjin 300071, P. R. China; and School of Materials,

Optoelectronics and Physics, Xiangtan University, Xiangtan 411105, Hunan, P. R.

China

† Nankai University

‡ Xiangtan University

* To whom correspondence should be addressed. Email: [email protected]

(Z.Z.)

Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A.This journal is © The Royal Society of Chemistry 2014

Page 2: Tuning Electronic and Optical Properties of MoS2 Monolayer ... · Tuning Electronic and Optical Properties of MoS2 Monolayer via Molecular Charge Transfer Yu Jing,† Xin Tan,‡

Figure S1. The optimized structures and corresponding adsorption energies of all the

possible configurations for the adsorption of TCNQ, TCNE, TTF and BV molecules

on the basal plane of MoS2ML.

Page 3: Tuning Electronic and Optical Properties of MoS2 Monolayer ... · Tuning Electronic and Optical Properties of MoS2 Monolayer via Molecular Charge Transfer Yu Jing,† Xin Tan,‡

Figure S2. The partial charge density for the CBM and VBM of MoS2ML.

Figure S3. Band structure of MoS2ML computed by using HSE06 functional.

Page 4: Tuning Electronic and Optical Properties of MoS2 Monolayer ... · Tuning Electronic and Optical Properties of MoS2 Monolayer via Molecular Charge Transfer Yu Jing,† Xin Tan,‡

Figure S4. Geometric structures (upper) and band structures (bottom) of free-standing

MoS2BL (a) as well as those functionalized with TCNQ (b), TCNE (c), TTF (d), and

BV (d).