Supporting Information

for

Carbonized Zeolitic Imidazolate Framework-67/Polypyrrole: A

Magnetic-Dielectric Interface for Enhanced Microwave Absorption

Properties

Sajid ur Rehmana, Mingze Suna, Mingsheng Xua, Jian Liua, Rida Ahmedb,

Muhammad Adnan Aslamc, Rana Ali Ahmadd, Hong Bia*

aSchool of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, P. R. China.

bLaboratory of Dielectric Functional Materials, School of Physics & Material Science, Anhui University, Hefei, 230601, P. R. China

cHigh Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, 230031, P.R. China.

dHefei National Lab for Physical Sciences at Microscale, University of Science and Technology, Hefei, 230026, P. R. China.

*corresponding author. Fax: +86 551 63861279; E-mail: bihong@ahu.edu.cn

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Contents

Fig. S1. Simulated and experimental XRD data of ZIF-67.

Fig. S2. EDX color mapping of CZIF sample, (a1) STEM-HAADF image, (a2) overlapped

image of carbon and cobalt mapping, (a3) C map (a4) Co map.

Fig. S3. SEM images of (a) CZIF, (b), CZIF-PPy composite and TEM images of (c) CZIF, and

(d), CZIF-PPy composite.

Fig. S4. Magnetic hysteresis loops of the CZIF, PPy and CZIF-PPy composite, respectively.

Fig. S5. Attenuation constant (a) and eddy current (b) for ZIF-67, CZIF, PPy and CZIF-PPy

composite, respectively.

Fig. S6. Cole-Cole graphs for (a) ZIF-67, (b) PPy, (c) CZIF and (d) CZIF-PPy composite,

respectively.

Fig. S7. Values of reflection loss (RL) of (a) ZIF-67, (b) CZIF, (c) PPy and (d) CZIF-PPy

composite, respectively.

Table S1. Electromagnetic wave absorption properties of various MOF-derived composites from

the literature.

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Fig. S1. Simulated and experimental XRD data of ZIF-67.

Fig. S2. EDX color mapping of CZIF sample, (a1) STEM-HAADF image, (a2) overlapped

image of carbon and cobalt mapping, (a3) C map (a4) Co map.

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Fig.S3. SEM images of (a) CZIF, (b), CZIF-PPy composite and TEM images of (c) CZIF, and

(d), CZIF-PPy composite.

Fig. S4. Magnetic hysteresis loops of the CZIF, PPy and CZIF-PPy composite, respectively.

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Fig. S5. Attenuation constant (a) and eddy current (b) for ZIF-67, CZIF, PPy and CZIF-PPy

composite, respectively.

Fig. S6. Cole-Cole graphs for (a) ZIF-67, (b) PPy, (c) CZIF and (d) CZIF-PPy composite,

respectively.

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Fig. S7. Values of reflection loss (RL) of (a) ZIF-67, (b) CZIF, (c) PPy and (d) CZIF-PPy

composite, respectively.

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Table S1. Electromagnetic wave absorption properties of various MOF-derived composites from

the literature.

Materials Minimal RL(d

B)Min RL Thick

ness (mm)Frequency

(GHz)Bandwidth

(GHz)Referenc

e

PPy@PANI -34.8 2.0 13.9 4.7 [S1]

PPy/Co -20 3.0 13.8 7 [S2]

CIP@PPy -38.9 2.2 12.2 6 [S3]

Fe3O4/PPy -22.4 2.2 12.9 5 [S4]

PBOPy/PPy/Fe3O4 -23.3 3.5 12.7 2.2 [S5]

Fe3O4@SiO2@PPy

-40.9 5.0 6 6.8 [S6]

FeCo@G@PPy -40.7 2.5 4.5 5.7 [S7]

Cu NP/PPy -22 2 10 1.5 [S8]

CoS@PPy -41.8 2.05 6.96 5.4 [S9]

Ni@SnO2@PPy -30 3.5 5.6 3.1 [S10]

CZIF-PPy -40 1.5 16 3 this work

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