a
- activated carbon (AC) 300, 376
- amines 11, 12
- antibacterial activity 31, 39–41, 251, 254–255
- anticancer drug 35, 36, 200, 209, 210, 218
- atmospheric pressure CVD (APCVD) 324
- atomic force microscopy (AFM) 87, 107, 109–111, 134, 151–152, 290, 308, 309
- autocorrelation function 143
- autocorrelation techniques 143
b
- biocompatibility 31, 32, 36, 42, 64, 67, 76, 160, 162, 201, 205, 207, 210, 211, 214, 217, 218, 235, 330
- bioimaging 31, 34–37, 200, 210, 211
- biosensing 37, 88, 206, 210, 211, 292, 330
- biosensors 31, 37–39, 202, 329
- black phosphorous (BP) 31–33, 36, 37, 39, 41, 42, 47, 48, 50, 55–57, 63, 67, 68, 74, 158–160, 162, 163, 175, 177–179, 188, 200, 202, 206, 207, 211, 214, 218, 370
- blood brain barrier (BBB) 32
- bottom‐up approach 289
- chemical vapor deposition 290
- hydrothermal method 290
- sol‐gel method 289–290
- bottom‐up method 161
- chemical vapor deposition 162, 323–324
- metal‐organic frameworks 359
- interfacial synthesis method 360
- liquid‐air interfaces 360
- liquid‐liquid interfaces 360
- sonication synthesis method 360
- surfactant‐assisted method 360
- template method 360
- molecular beam epitaxy 325
- physical vapor deposition 162
- solvo‐thermal 324–325
- wet chemistry 162
- bovine serum albumin (BSA) 33, 34, 218
- bright field detector 151
- Brodie method 3
c
- cadmium sulfide‐graphene (CdS‐GR) nanocomposites 398
- cancer theranostics 162–163
- cancer therapy
- 2D nanomaterials‐cancer detection/diagnosis/theragnostic 218–219
- 2D‐nanomaterials 64–75
- immune therapy 73–75
- mechanism of action 212–215
- nanotechnology 208
- photodynamic therapy 65–66, 215–218
- photothermal therapy 64–65
- radiation based 208
- radiotherapy 68–70
- sonodynamic therapy 70–73
- cancer treatment 64, 68, 71, 73, 75, 76, 158, 163, 199, 202, 208, 209, 214, 215, 216
- capping reagents 361
- carbon black (CB) 304, 305, 337, 385, 388, 398, 399
- carbon dioxide (CO 2) 88, 90, 94, 272, 276, 293, 335–337, 384, 385–391, 395
- carbon nanotube 202, 329, 378, 291
- carbon‐based electrode materials 300
- carbonitrides (MXenes) 63, 202, 206
- carbonylated CMGs 9
- carbonyls 3, 4, 5, 8, 9, 12, 13
- carboxylated CMGs 2, 3, 6–15
- carboxypeptidase Y (CPY) 37
- carrier mobility 49, 55, 178, 179, 182, 184, 203, 288, 292, 339, 373
- carrier transportation‐separation 338–339
- catalysts 97, 101, 208, 269, 336, 339, 340, 371, 384, 385, 389, 392, 398
- cathode 97, 265–267, 270, 335–336, 338, 339, 346, 375, 376, 389
- characterization techniques
- optical techniques 141–144
- atomic force microscopy 151–152
- dynamic light scattering 141–144
- electron microscopy 147–151
- IR and Raman spectroscopy 145–146
- Kelvin Probe Force Microscopy 152
- NMR spectroscopy 145
- optical spectroscopy 144–145
- scanning electron microscopy 147–149
- scanning transmission electron microscopy 150–151
- scanning tunneling microscopy 151
- transmission electron microscopy 149–150
- X‐ray techniques 152–153
- XPS techniques 146–147
- chemical exfoliation 100, 128, 130, 322–323, 358, 359, 377
- chemical vapor deposition (CVD) method 6, 48, 53–55, 100, 101–102, 128, 162, 181, 203, 290, 303, 304, 323–324, 341, 373, 383
- chemically modified graphenes (CMGs) 2, 3, 6, 7, 9, 10–15
- chemotherapy 63–65, 68, 158, 162, 199, 200, 209–212, 214, 215, 330
- chlorine e6 (Ce6) 32, 67, 68, 211, 218
- co‐precipitation 22, 23, 267, 268
- coercive field (Er) value 260
- conductivity 39
- high electrical conductivity 37, 50, 201, 219, 303, 306, 339, 375
- thermal conductivity 107, 108, 127, 130, 137, 203, 288, 321, 341
- conventional supercapacitors 303
- converse piezoelectric coefficient 258–260
- converse piezoelectric effect 257, 258
- crystallinity 22, 130, 208, 292, 321, 325, 337, 340, 343, 346
d
- 2D dichalcogenides 317–330
- application
- biomedical 330
- optoelectronics 327–329
- photocatalysis 329
- sensors 329
- spintronics 329
- atomic structure 317
- modification of properties 325–327
- properties 318–321
- synthesis methods 321–325
- defectinduced band 146
- derivative thermos‐gravimetry (DTG) 271–274
- detectivity (D*) 52
- 2D graphene sheets 102, 298
- dipping and dryingstrategy 306
- direct piezoelectric coefficients 257
- direct piezoelectric effect 257
- dispersion 24, 39, 53, 87, 96, 100, 105, 125, 128–130, 133, 136, 161, 177, 187, 287, 322, 341, 342, 343, 393
- 2D materials 1
- 2D transition metal dichalcogenides 183–184
- definition 175–176
- electronic band structure 176–178
- electronic industry 176–178
- electronic transport properties 178–179
- electronics applications 176
- field‐effect transistors 180–184
- nonvolatile resistive memories 184–189
- ongraphene and its derivatives 185–187
- preliminary reports 175
- resistive switching memories 187–189
- 2D nanomaterials 31, 200
- application 163
- field‐effect transistors 373
- gas sensors 373–374
- lithium‐ion batteries 374
- lithium‐ion batteries anodes 374–375
- lithium‐ion batteries cathodes 375–376
- photodetectors 371
- phototransistors 371–372
- p–n junction photodetectors 372–373
- applications of 291–294
- black phosphorus 206–208
- carbonitrides 206
- challenges 294
- characterization techniques for 290–291
- classification 202–208
- grapheme
- doping and surface modifications 378–379
- gas sensors 379
- insupercapacitors 376–377
- nanocomposites 377–378
- layered double hydroxides 205
- mode of action of 212–215
- photocatalytic study of 293–294
- synthesis methods 160–162
- transition metal dichalcogenides 203–205
- types 158–160
- 2D transition metal dichalcogenides (TMDCs) 141, 144, 158, 176–179, 181, 183–185, 318, 321–326, 327, 329, 330, 397
- 2D transition metal dichalcogenides (TMDs) 49, 218, 397
- Doppler's effect 143
- double layer capacitance 298
- Doxorubicin 35–37, 209, 330
- drug/gene delivery 31, 34–37, 202
- Dynamic Light Scattering (DLS) 141–144
e
- elastic scattering 111, 142, 145, 147, 149
- electric double layered capacitors (EDLCs) 300, 377
- electrical properties 90, 103, 105, 107, 130, 152, 202, 203, 219, 262, 278–281, 319, 325, 370
- electrochemical energy 297, 374
- electrochemical exfoliation 322
- electrochemically synthesized GO (EGO) 6
- electrolyte 6, 144, 186, 188, 265–267, 269, 270, 278, 294, 298, 300, 304–306, 322, 335–340, 346, 349, 375–377, 379, 384, 389
- electron‐hole pair 48, 50, 56, 107, 108, 329, 335–339, 371, 372, 384, 388, 392, 394, 396, 397
- electrorheological fluids (ERFs) 14
- emulsion polymers 127
- energy applications 291
- Energy Dispersive X‐ray Spectroscopy (EDX) method 149, 253, 254
- energy storage devices (ESDs) 136, 297, 298, 313
- exfoliation 53
- chemical exfoliation 100, 128, 130, 322–323, 358, 359, 377
- electrochemical exfoliation 322
- liquid exfoliation 322
- mechanical exfoliation 104–105
- solvent‐induced exfoliation 359
- sonication exfoliation 358–359
- external quantum efficiency (EQE) 52, 58, 372, 394
f
- feedback mechanism 151
- Ficusauriculata 249
- antimicrobial activity 251
- leaves extract 249–255
- materials and methods 250–255
- methodology 250–251
- results 251–255
- field emission scanning electron microscopy (FESEM) 109, 110, 131, 149, 251
- field‐effect transistors (FETs) 176, 178–184, 188, 189, 325, 373, 379
- flexible electronic devices 298
- flexiblesupercapacitors 298, 300–304
- fluorescence quenching mechanism 38
- fluorescence resonance energy transfer (FRET) 34, 88
- freeze thaw stabilized latex 126
- FT‐IR spectrum 252
- FTIR spectroscopy 96, 115–116
- functionalizednanomaterials 141
g
- gadolinium doped ceria (GDC) 266, 270
- gas sensing 14, 47, 88, 206
- gas sensors 14, 357, 373–374, 379
- gas separations 361
- GaSe‐based phototransistors 372
- glycine nitrate combustion process (GNP) 268–269, 271
- glycine nitrate combustion synthesis 272, 275, 276, 281
- grapheme
- latex nanocomposites 129–137
- preparation and functionalization 128–129
- graphene 47, 49, 81, 127, 202, 385
- application 116, 303
- carbon based nanomaterials 304–305
- characterizations 109
- chemical reduction 105
- conductive polymer with 306–308
- definition 98
- electronic properties 105–106
- epitaxial growth 102–103
- field 1
- field‐effect transistors 181–183
- FTIR spectroscopy 115–116
- magnetic properties 109
- mechanical exfoliation 104–105
- mechanical properties 107
- morphology 109–111
- optical properties 106–107
- PEC 340
- photo‐catalytic properties 108–109
- Raman spectroscopy 111
- surface properties 105
- synthetic methods 98–101
- thermal conductivity 107–108
- thermogravimetric analysis 114–115
- transport characteristics 2
- using organic composites with 306
- UV‐Vis spectroscopy 112–113
- with other 2D‐layered materials 308–310
- with other metal oxides/hydroxides 308
- X‐ray diffraction 113–114
- X‐ray photoelectron spectroscopy 111–112
- graphene chemical derivatives
- graphene oxide (GO) 203, 212, 304, 386
- applications 88
- characterized and properties 84–89
- definition 84
- properties 87
- dispersibility 87–88
- electrochemical properties 88
- electronic properties 88
- mechanical properties 88
- morphological properties 87
- optical properties 87–88
- rich chemical active group 87
- toxicity 87
- radionuclides removal 24–28
- co‐remediation anionic SeO 4 2− and cationic Sr 2+ 26–28
- sorption of Eu(III) 25–26
- U(VI) removal 24–25
- reduction and functionalization 6–13
- structure 84–87
- synthesis 22–24
- co‐precipitation 22–23
- hydrothermal preparation 23–24
- nanosheets 24
- synthesis methods and chemistry alteration 3–6
- synthetic 84
- graphene oxide nanosheets 213, 392
- graphite
- applications 84
- definition 81–82
- properties 82–83
- structure 82–83
- synthetic 82
- graphitic carbon nitride (g‐C 3N 4) 158, 200, 209, 294, 383, 387
- green method
- of nano‐composites synthesis 241, 242
- of nanoparticles synthesis 236–241
- green nanotechnology 249, 291
- greener nanotechnology 235
h
- heterogeneous electron transfer 340
- heterogeneous photocatalysis 109, 292–293
- hevea plus MG latex 126
- hexagonal boron nitride (h‐BN) 1, 182, 188–189, 200, 370, 383
- hexagonal boron nitride nanosheets (h‐BNNs) 38
- high electrical conductivity 37, 50, 201, 219, 303, 306, 339, 375
- High‐Resolution Transmission Electron Microscopy (HR‐TEM) mode 110, 149, 241, 251
- Hummers process 31
- hyaluronic acid (HA) 36, 209
- hydrophilicity 32, 39, 209, 216
- hydrophobic functional group 21
- hydrothermal method 23–25, 205, 235, 267, 277, 278, 290, 343, 392, 395, 398, 401
- hydrothermal/solvothermal method 343
i
- immune therapy (ImT) 73–75
- industrial applications 128, 291, 322
- Infra‐Red spectroscopy (IR) 49, 51, 56, 57, 145–146, 241, 251, 252, 255, 290
- intermediate temperature solid oxide fuel cells (IT‐SOFCs) 266, 269–270
- ion‐intercalation exfoliation 161
k
- Kelvin Probe Force Microscopy (KPFM) 152
l
- Langmuir–Blodgett method 358, 359
- laser ablation synthesis 288
- latex 125
- freeze thaw stabilized latex 126
- hevea plus MG latex 126
- polymer latex 136, 137
- radiation vulcanized latex 126
- synthetic latex 127
- latex co‐coagulation method 129
- layered double hydroxides (LDHs) 22, 24, 29, 200–202, 205, 210
- light‐catalyst interaction 337
- liquid exfoliation method 53, 161, 207, 322, 323, 393
- lithium‐ion batteries 374
- longitudinal mode 258
- low‐pressure CVD (LPCVD) 182, 324
m
- material library 200
- mechanical cleavage 6, 160–161, 203
- mechanical exfoliation method 359
- medicine 31, 41–43, 73, 98, 241, 285, 291
- metal conduct electricity 369
- metal nanoparticles (MNPs) 64, 66, 145, 146, 153, 236, 399
- metal organic frameworks (MOFs) 47, 162, 175, 201, 208, 357–363, 383
- metal oxide semiconductor field‐effect transistors (MOSFETs) 181, 183
- metal‐organic CVD (MOCVD) 324
- metal‐organic frameworks (MOF) 357
- applications 361–362
- biomedicine 362
- catalysis 362
- energy conversion and storage 361–362
- gas separations 361
- sensing platforms 362
- bottom‐up method 359
- interfacial synthesis method 360
- liquid‐air interfaces 360
- liquid‐liquid interfaces 360
- sonication synthesis method 360–361
- surfactant‐assisted method 360
- template method 360
- characteristics 357
- composites 362–363
- synthetic strategies 357–361
- top‐down method 358
- chemical exfoliation 359
- Langmuir‐Blodgett method 359
- mechanical exfoliation method 359
- solvent‐induced exfoliation 359
- sonication exfoliation 358–359
- microwave irradiation method 344
- modern 2D nanomaterial 202
- molecular beam epitaxy 325
- molybdenum disulfide (MoS 2) 36
- based resistive memories 187–188
- fibers 42
- molybdenum metal 36
- MXenes 31, 39, 42, 47, 48, 50, 63, 158, 161, 175, 200, 202, 206, 210, 211, 214, 220, 370, 383
n
- nanocarriers 74, 161, 199, 200, 208, 217, 362
- for drug loading and releasing 200
- nanocrystalline materials 285
- nanoelectronics 176, 178, 183, 291
- nanoengineered (NE) hydrogels 41
- nanographene oxide (nGO) 31, 35, 38, 159, 209
- nanomaterials 157
- classification 286–290
- definition 286
- nanoparticles 249
- nanosheets (NSs) 33
- nanostructured materials 157, 235–244
- nanostructured synthesis 236–241
- nanotechnology 73, 157, 199, 235, 249
- NGO nanosheets 159
- nuclear magnetic resonance spectroscopy 145
p
- p‐glycoprotein (P‐gp) expression 36
- palladium (Pd) 63, 149, 158, 159, 202
- perovskite NKN 47, 186, 259–262, 387, 394
- pH dependency 340
- photoacoustic tomography (PAT) 35, 36
- photocatalysis
- 2D nanomaterials 293–294
- application 291–294
- basic principle 292
- history 292
- photocatalytic dye degradation 384, 397–401
- photocatalytic hydrogen production 293, 391–395
- photoconductive gain 52
- photocurrent generation mechanisms 50
- photodetectors (PDs) 371
- characterization parameters 51–52
- detectivity 52
- external quantum efficiency 52
- gain 52
- noise equivalent power 52
- response time 52
- responsivity 51–52
- graphene 49
- 2D heterostructures 56–58
- 2D materials
- MXenes 50
- physical mechanism enabling photodetection 50–51
- synthesis method 53
- chemical vapor deposition 53–55
- liquid exfoliation 53
- mechanical exfoliation 53
- traditional semiconductors 47
- transition metal dichalcogenides 49
- Xenes 50
- photodynamic therapy (PDT) 31–34, 63, 65, 159, 162, 209, 215–218
- 2D nanomaterials
- application 217–218
- photosensitizer 217–218
- photoelectriceffect 146
- photoelectrocatalysis 383–402
- photoelectrocatalytic hydrogen production 395–397
- photoelectrochemical (PEC) water splitting application 335
- catalyst/electrode 336–337
- grapheme
- metal oxide composites 345–348
- nanocomposites 341–342
- synthesis 342–345
- graphene 340–341
- photo‐anode/cathode 335–336
- photo‐electrochemical water splitting 337–340
- properties 336
- photosensitizer (PS) 32, 34, 64–67, 71, 162, 163, 210, 215–218, 392
- photothermal therapy (PTT) 31–34, 63–76, 163, 201, 207, 209, 211, 214, 220, 330
- phototransistor 55, 56, 371–372
- physical vapor deposition 162, 181
- planar supercapacitors 303
- plasmonic metal nanoparticles composite materials 399
- platinum (Pt) 186, 336
- poly acrylic acid (PAA) 38
- poly(ethylene glycol) (PEG) 31–37, 42, 67–70, 75, 163, 209–211, 218, 241, 330
- polyethylene imine (PEI) 34, 36, 37, 75
- polyethylene terephthalate (PET) 34, 36, 39, 102, 188
- polymer latex 136, 137
- polymer lattices 125–127, 137
- porous medium 357
- post‐graphene materials 47
- powder microstructure
- BET analysis 278
- EDAX analysis 277
- SEM analysis 276–277
- TEM analysis 277
- powder synthesis process 270–271
- pre‐vulcanized latex (PVL) 126
- printed flexible electrodes 310
- pristine 2D metal oxide nanomaterials 388
- pseudocapacitors (PCs) 300
- pure ceria oxide 267
r
- radiation vulcanized latex 126
- radiation vulcanized natural rubber latex (RVNRL) 126, 133, 135
- radiotherapy 63, 64, 65, 66, 68–70, 162, 199, 209, 215
- Raman spectroscopy 111, 145–146
- reduced graphene oxide (rGO or RGO) 6, 31
- definition 89
- electrochemical method 95
- photo‐catalytic method 94
- properties 97–98
- structure 95–96
- synthesis 89–90
- thermal and hydrothermal reduction 90–94
- Refractive Index (RI) 142–144
- regenerative medicine 31, 41–43
- Remnant Polarization 258–261
- response time (τ) 49, 52, 55, 58
s
- samarium doped ceria (SDC) 266–267
- application 269
- additional anode layer 270
- composite anode 269
- composite cathode 270
- interlayer 270
- SOFC electrolyte 269
- glycine nitrate combustion process 268–269
- synthesis 267–268
- scanning electron microscopy (SEM) 87, 109–111, 129, 132, 136, 147–150, 241, 251, 254–255, 276, 290
- scanning transmission electron microscopy (STEM) 147, 150–151
- scanning tunneling microscopy (STM) 147, 150, 151
- secondary electrons (SE) 147, 148
- secondary metabolites 249
- self‐assembly 22–24, 26, 38, 162, 289, 343–344, 398, 401
- sensors 14, 37, 98, 116, 136, 175, 183, 258, 287, 297, 317, 329, 342, 357, 362, 371, 373–374, 379
- silicon(Si) 2, 12, 15, 99, 100, 106, 108, 151, 176, 180–182, 184, 217, 318, 330, 375, 396, 397
- silicon carbide (SiC) 99, 102, 103, 181, 379, 392
- single‐layer graphene 105, 110, 111, 161, 187, 307
- sol‐gel method 289, 342
- nanoparticles synthesis 236
- of nano‐composites 241
- solid oxide fuel cell (SOFC) 265–281
- solution mixing method 342, 345
- sonication exfoliation 358–359
- sonodynamic therapy (SDT) 64, 65, 70–73, 209
- spintronics 317, 329, 330
- stirring 87, 126, 236, 241, 250, 271, 359
- supercapacitors (SCs) 298, 376
- novel technologies 310–311
- types 298–301
- superconductivity 205, 321
- surface area 13, 31, 33, 37–38, 41, 64, 67, 88, 104–105, 109, 128, 144, 159–160, 163, 201, 203, 209, 216–218, 274, 276, 278–280, 285, 288, 292, 298, 300, 303–304, 307, 313, 325, 329–330, 336, 361–363, 377–378, 387, 401
- surface dynamic 201
- Surface Enhanced Raman Spectroscopy (SERS) 146, 235, 249
- synthetic graphite 82
- synthetic latex 127
t
- temperature 340
- intermediate temperature solid oxide fuel cells 266, 269–270
- and Pressure 340
- tetrapropylammonium hydroxide (TPAOH) 161
- thermal conductivity 107, 108, 127, 130, 137, 203, 288, 321, 341
- thermal stability 107, 114, 115, 159, 244, 300, 339, 375
- thermo‐gravimetry and derivative thermo‐gravimetry (TG‐DTG) 271–274
- thermogravimetric analysis (TGA) 109, 114–115, 133, 136
- thermos‐gravimetric (TG) 271–274, 290
- Three Phase Boundary area (TPB) 265, 266, 269, 270
- three‐dimensional (3‐D) 286, 287
- tissue engineering 31, 41–43, 200, 208, 209, 219–220
- top‐down approach 288
- arc discharge synthesis 289
- laser ablation synthesis 288
- mechanical milling 289
- top‐down method 160
- chemical intercalation and exfoliation 322
- electrochemical exfoliation 322–323
- ion‐intercalation exfoliation 161
- liquid exfoliation 322
- mechanical cleavage 160–161
- metal‐organic frameworks 358
- chemical exfoliation 359
- Langmuir‐Blodgett method 359
- mechanical exfoliation method 359
- solvent‐induced exfoliation 359
- sonication exfoliation 358–359
- micromechanical exfoliation 321–322
- selective etching 161
- thinning by thermal annealing, laser and chemical etching 323
- ultrasonication 161
- top‐down technique 99, 286
- transition metal dichalcogenides(TMDCs) 47, 49, 63, 141, 144, 158, 176–179, 181, 183–185, 200, 203–205, 293, 318, 321–325, 327, 329, 330, 397
- transition metal dichalcogenides (TMDs) 47–49, 55, 63, 141, 162, 176, 183–184, 200–205, 208, 210, 218, 220, 293, 318, 321, 397
- transmission electron microscopy (TEM) 9, 26–27, 85, 109–111, 147, 149–151, 213, 241, 251, 254, 277, 290, 394
- transmission mode 150
- tumor associated antigens (TAAs) 73
- tumor micro environments (TME) 66, 73
- two dimensional MXenes 39
- two‐ dimensional (2‐D) 286–288
- two‐dimensional (2D) bismuth (III) sulfide (Bi 2S 3) 69, 158, 159, 209
- two‐dimensional (2D) nanomaterials 31, 201, 383
x
- X‐ray computed tomography (CT) 35, 36
- X‐ray diffraction (XRD) 85, 113–114, 251, 271, 272, 290
- X‐ray photoelectron spectroscopy (XPS) 85, 111–112, 146, 185, 290
- X‐ray techniques 152–153
- Xenes 31, 39, 42, 47, 48, 50, 63, 158, 161, 175, 177, 200, 202, 206, 210, 211, 214, 220, 370, 383
z
- zero‐dimensional (0‐D) 157, 286, 287, 369
- zinc‐oxide nanoparticles (ZnONPs)
- antibacterial activity 254–255
- FT‐IR spectrum 252–253
- SEM analysis 254
- TEM analysis 254
- XRD analysis 251–252
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