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. 2023 Oct 16;13(43):30401–30419. doi: 10.1039/d3ra04855a

Comparison of COFs exhibiting proton conduction under anhydrous condition.

Compound Working temperature (°C) Proton conductivity (S cm−1) Stability Sample measurement type Testing method E a (eV) BET surface area (m2 g−1) Ref.
Thermal (°C) Chemical
Aza-COF-1 50 10−8 to 10−9 250 12 M HCl, 14 M KOH Pellet Two electrode 0.78 99.0 49
PA@aza-COF-1 — — 189 — — — 5.2
Aza-COF-2 50 10−8 to 10−9 250 12 M HCl, 14 M KOH Pellet 0.96 102.2
PA@aza-COF-2 — — 198 — — — 10.9
Tp-azo — — 350 HCl (9 N), H3PO4 (1.5 M), NaOH — Quasi four probe — 1328 50
H3PO4@Tp-azo 67 6.7 × 10−5 — — Pellet 0.11 —
Tp-Stb 59 — 350 HCl (9 N), H3PO4 (1.5 M), NaOH — — 422
TpBpy-ST — — 350 9 N HCl, 3 M H3PO4, 3 M NaOH — Quasi four probe — 1746 51
PA@TpBpy-ST 100 1.98 × 10−3 — — Pellet 0.12 —
TpBpy-MC — — 350 9 N HCl, 3 M H3PO4, 3 M NaOH — — 293
PA@TpBpy-MC 50 1.4 × 10−2 — — Pellet 0.11 —
COF-F6 — — 300 H3PO4, HCl, HNO3 — Two stainless steel electrode — — 52
PA@COF-F6 140 4.2 × 10−2 — — Pellet 0.09 —
COF-F8 — — 300 12 M HCl, 14 M KOH ′′ — —
COF-F10 — — 300 ′′ ′′ — —
TPB-DMeTP-COF 160 9.6 × 10−11 440 H3PO4, THF, CH3CN, HCl, NaOH Pellet Two steel electrode — 2894 53
PA@TPB-DMeTP-COF 160 1.91 × 10−1 — — Pellet 0.34 —
TPB-DABI-COF — — 400 THF, water, HCl (9 M), H3PO4 — Two stainless steel electrode — 865.2 56
H3PO4@TPB-DABI-COF 160 1.52 × 10−1 — — Pellet 0.17 —
TPB-COF — — 484 — — Two carbon coated Al foil electrode — 114.4 57
18% H3PO4@TPB-COF 160 9.95 × 10−6 — — Pellet — —
TPB-TPT-COF — — 504 — — — 362.4
18% H3PO4@TPB-TPT-COF 160 1.22 × 10−5 — — Pellet — —
TPT-TPB-COF — — 512 — — — 836.9
18% H3PO4@TPT-TPB-COF 160 1.77 × 10−5 — — Pellet — —
TPT-COF — — 525 H3PO4, THF, water, acetone, NaOH (14 M), HCl (12 M) — — 1909.2
H3PO4@TPT-COF 160 1.27 × 10−2 — — Pellet 0.17 —
CTF-H 150 3.5 × 10−7 650 Water, H3PO4, NaOH (12 M), HCl (12 M) ′′ Two Ag electrode — 551 58
H3PO4@CTF-H 150 1.6 × 10−1 — — ′′ 0.25 —
CTF-L — — 650 Water, H3PO4, NaOH (12 M), HCl (12 M) — — 521
H3PO4@CTF-L 150 5.1 × 10−2 — — Pellet 0.26 —
CPF-1 — — >450 — — Two Pt electrode — 582 59
CPF-BT-1 — — >450 — — — 211.9
H3PO4@CPF-1/PVDF 140 9.77 × 10−3 — — Membrane matrix 0.15 —
H3PO4@CPF-BT-1/PVDF 140 1.30 × 10−2 — — Membrane matrix 0.16 —
PyTTA-BMTP-COF — — 350 HCl (1 M), NaOH (1 M), H2O — Two electrode — 368.35 60
PA@PyTTA-BMTP-COF 140 2.6 × 10−2 150 — Pellet 0.22 —
PyTTA-DHAT-COF — — 450 HCl (1 M), NaOH (1 M), H2O — — 977.03
PA@PyTTA-DHAT-COF 140 9.2 × 10−3 150 — Pellet 0.078 —
NKCOF-52 — — >250 Acetone, H3PO4 — Two carbon paper electrode — 378 61
H3PO4@NKCOF-52 160 1.12 × 10−3 — — Pellet 0.52 —
NKCOF-53 — — >250 Acetone, H3PO4 — — 564
H3PO4@NKCOF-53 160 1.24 × 10−2 — — Pellet 0.27 —
NKCOF-54 — — — Acetone, H3PO4 — — 318
H3PO4@NKCOF-54 160 2.33 × 10−2 >250 — Pellet 0.29 —
Tp-Pa-SO3H 120 1.7 × 10−5 250 — ′′ Quasi four probe — 1199 62
Phytic@Tp-Pa-SO3H 120 7.5 × 10−5 — — ′′ — —
Tp-Pa-Py — — 250 — — — 1534
phytic@Tp-Pa-Py 120 3.0 × 10−4 — — Pellet 0.10 —
Tp-Pa-(SO3H-Py) — — 250 — — — 1235
Phytic@Tp-Pa-(SO3H-Py) 120 5.0 × 10−4 — — Pellet 0.16 —
COF-F4 — — >300 — — Two stainless steel electrode — 441 63
COF-F6 140 3.63 × 10−11 >300 — Pellet 224
F6-[dema]HSO4-1.5 140 1.33 × 10−2 — — ′′ 0.34 —
COF-C6 — — >300 — — — 531
C6-[dema]HSO4-1.0 140 2.84 × 10−3 — — Pellet 0.38 —
C6-[dema]H2PO4-1.0 140 3.27 × 10−5 — — ′′ 0.59 —
TB-COF 120 1.52 × 10−4 248 — ′′ Two stainless steel electrode 0.37 1077 64
PIL-TB-COF 120 2.21 × 10−3 221 — ′′ 0.30 23.6
Py-BT-COF — — 400 DMF, MeOH, water, HCl (1 M), NaOH (1 M) — Two stainless steel electrode — 1895 65
Im@Py-BT-COF 130 2.92 × 10−3 — — Pellet 0.31 —
Im@Py-TT-COF 130 3.08 × 10−3 — — ′′ 0.31 —
Im@Py-BD-COF 130 8.20 × 10−4 — — Pellet 0.32 —
TAPB-DMTP-COF — — — — — Two stainless steel electrode — 1684 66
trz@TAPB-DMTP-COF 130 3.10 × 10−3 — — Pellet 0.38 20
trz@TAPB-DMTP-COF0.1-BBA 130 5.05 × 10−3 — — ′′ 0.21 1890
TAP-COF — — — — — — — 75.0 67
PA@TAP-COF 140 2.65 × 10−3 — — Pellet 0.46 13.0
tra@TAP-COF 150 3.82 × 10−3 — — ′′ — —
DAAQ-COF — — — — — — 1163.4
PA@DDAQ-COF 140 9.20 × 10−3 — — Pellet 0.22 4.0
PD-COF — — — — — — 519.0
PA@PD-COF 140 5.51 × 10−3 — — Pellet 0.24 0.75
EB-COF — — — — — — 670.3
PA@EB-COF 180 2.77 × 10−2 — — Pellet 0.35 6.9
tra@EB-COF 160 3.25 × 10−3 — — ′′ 0.18
TPB-DMTP-COF — <10−12 400 DMF, DMSO, THF, MeOH, H2O, 12 M HCl, 14 M NaOH Pellet Two silver probe — 2072 68
trz@TPB-DMTP-COF 130 1.1 × 10−3 210 — Pellet 0.21 0.4
im@TPB-DMTP-COF 130 4.37 × 10−3 220 — Pellet 0.38 2.3
XJCOF-1 — — >260 Water, HCl (3 M) — — — 467 69
XJCOF-2 — — >260 ′′ — — 961
XJCOF-3 — — >260 ′′ — — 503
trz@XJCOF-1 150 4.3 × 10−3 >220 — Pellet 0.25 —
trz@XJCOF-2 160 1.29 × 10−2 >220 — ′′ 0.27 —
trz@XJCOF-3 160 5.6 × 10−3 >200 — ′′ 0.28 —
im@XJCOF-1 140 4.38 × 10−2 — — ′′ 0.21 —
im@XJCOF-2 140 3.33 × 10−2 — — ′′ 0.24 —
im@XJCOF-3 140 2.43 × 10−2 — — ′′ 0.20 —