The disclosure provides sensor for gas sensing including CO2 gas sensors comprising a porous framework sensing area for binding an analyte gas.
대표청구항▼
1. A sensor comprising: a region of a porous framework wherein the region absorbs or adsorbs a gas analyte of interest; anda transducer in electrical, mechanical or optical communication with the region that converts an electrical, optical or mass change in the region to a detectable property thereb
1. A sensor comprising: a region of a porous framework wherein the region absorbs or adsorbs a gas analyte of interest; anda transducer in electrical, mechanical or optical communication with the region that converts an electrical, optical or mass change in the region to a detectable property thereby measuring a gas analyte that absorbs or adsorbs to the region. 2. The sensor of claim 1, wherein the transducer is an optical, mechanical or electrical transducer. 3. A sensor array comprising a plurality of the sensors of claim 1. 4. The sensor array of claim 3, wherein the sensor array comprises a plurality of different sensors comprising different porous frameworks. 5. A sensor array comprising a plurality of sensors at least one sensor of which is a sensor according to claim 1. 6. The sensor array of claim 5, wherein the region comprises a MOF, IRMOF, ZIF or COF. 7. The sensor array of claim 6, wherein the ZIF comprises the general structure M-L-M, wherein M comprises a transition metal and L is a linking moiety, the linking moiety comprising a structure selected from the group consisting of I, II, III, or any combination thereof: wherein A can be either C or N, wherein R5-R8 are present when A1 and A4 comprise C, wherein R1, R4 or R9 comprise a non-stericaily hindering group that does not interfere with M, wherein R2, R3, R5, R6, R7, R8, R10, R11, R12 are each individually an alkyl, halo-cyano-nitro-, wherein when the linking group comprises structure III, R10, R11 and R12 are each individually electron withdrawing groups, wherein a gas analyte is adsorbed to the zeolitic framework. 8. The sensor or sensor array of 7, wherein R1, R4 and R9 are individually small group selected from the group consisting of H, methyl-, halo-, cyano-, and ethyl-. 9. The sensor or sensor array of 7, wherein R10, R11 and R12 are each individually selected from the group consisting of a nitro-, cyano-, fluoro- and chloro-group. 10. The sensor or sensor array of 7, wherein L is an imidazolate or an imidazolate derivative. 11. The sensor or sensor array of 7, wherein L is selected from the group consisting of IV, V, VI, VII, VIII, and IX: 12. The sensor or sensor array of 7, wherein the zeolitic framework comprises a plurality of different transition metals. 13. The sensor or sensor array of 7, wherein the zeolitic framework comprises a plurality of different linking groups. 14. The sensor or sensor array of 7, wherein the transition metal is selected from the group consisting of Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Lr, Rf, Db, Sg, Bh, Hs, Mt, Ds, Rg and Uub. 15. The sensor or sensor array of 10, wherein the imidazolate or imidazolate derivative is selected from the group consisting of a substituted imidazolate; a benzimidazolate comprising a methyl-, nitro-, cyano, or chloro-group; an azabenzimidazolate; and an azabenzimidazolte wherein one or two carbon atoms on the benzimidazolate are replaced by nitrogen. 16. The sensor or sensor array of 7, wherein the transition metal comprises a metal that increases the cationic charge of the zeolitic framework thereby increasing gas selectivity. 17. The sensor or sensor array of claim 1 or 5, wherein the sensor absorbs or adsorbs CO2. 18. The sensor of claim 1, wherein the sensor comprises a ZIF-68, ZIF-69 or ZIF-70 framework.
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