Class information for:
Level 1: POLYMER SOLAR CELLS//ORGANIC SOLAR CELLS//BULK HETEROJUNCTION

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
8 4 POLYMER SCIENCE//CHEMISTRY, PHYSICAL//MATERIALS SCIENCE, MULTIDISCIPLINARY 1554940
52 3       SYNTHETIC METALS//ORGANIC ELECTRONICS//POLYANILINE 97394
32 2             POLYMER SOLAR CELLS//ORGANIC SOLAR CELLS//ORGANIC ELECTRONICS 33482
1 1                   POLYMER SOLAR CELLS//ORGANIC SOLAR CELLS//BULK HETEROJUNCTION 6340

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 POLYMER SOLAR CELLS authKW 1828638 11% 51% 722
2 ORGANIC SOLAR CELLS authKW 931600 10% 30% 624
3 BULK HETEROJUNCTION authKW 768201 6% 44% 350
4 CAS ORGAN SOLIDS address 507849 4% 42% 245
5 BULK HETEROJUNCTION SOLAR CELLS authKW 413903 2% 61% 136
6 ORGANIC PHOTOVOLTAICS authKW 348842 4% 26% 275
7 CONJUGATED POLYMERS authKW 338815 8% 13% 536
8 NON FULLERENE ACCEPTOR authKW 335188 1% 92% 73
9 LOW BAND GAP authKW 269172 2% 53% 102
10 DIKETOPYRROLOPYRROLE authKW 233616 2% 40% 117

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Materials Science, Multidisciplinary 32939 51% 0% 3217
2 Polymer Science 20972 22% 0% 1413
3 Nanoscience & Nanotechnology 16486 18% 0% 1152
4 Physics, Applied 13107 31% 0% 1947
5 Energy & Fuels 12593 15% 0% 962
6 Chemistry, Physical 9561 28% 0% 1751
7 Chemistry, Multidisciplinary 8502 25% 0% 1613
8 Physics, Condensed Matter 5733 17% 0% 1101
9 Materials Science, Textiles 1704 2% 0% 118
10 Engineering, Chemical 189 4% 0% 242

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CAS ORGAN SOLIDS 507849 4% 42% 245
2 POLYMER OPTOELECT MAT DEVICES 204487 3% 19% 214
3 ADV OPTOELECT MAT 156534 1% 57% 55
4 POLYMERS ORGAN SOLIDS 156191 3% 20% 159
5 HEEGER BEIJING DEV 146352 1% 82% 36
6 BEIJING MOL SCI 144000 8% 6% 511
7 ORGAN NANOELECT 135075 1% 46% 59
8 STATE LUMINESCENT MAT DEVICES 133511 4% 12% 228
9 CHEM BIOL ENGN POLYMER TECHNOL 123689 1% 66% 38
10 RD ENGN SCI 102472 1% 54% 38

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ADVANCED ENERGY MATERIALS 92031 3% 10% 192
2 ORGANIC ELECTRONICS 91688 4% 7% 278
3 JOURNAL OF MATERIALS CHEMISTRY A 54763 6% 3% 353
4 SOLAR ENERGY MATERIALS AND SOLAR CELLS 39698 4% 3% 253
5 POLYMER CHEMISTRY 34434 3% 4% 177
6 ADVANCED MATERIALS 21520 4% 2% 252
7 ADVANCED FUNCTIONAL MATERIALS 20571 3% 2% 178
8 JOURNAL OF MATERIALS CHEMISTRY C 15035 2% 2% 135
9 ENERGY & ENVIRONMENTAL SCIENCE 13202 1% 3% 89
10 ACS APPLIED MATERIALS & INTERFACES 12753 3% 1% 215

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 POLYMER SOLAR CELLS 1828638 11% 51% 722 Search POLYMER+SOLAR+CELLS Search POLYMER+SOLAR+CELLS
2 ORGANIC SOLAR CELLS 931600 10% 30% 624 Search ORGANIC+SOLAR+CELLS Search ORGANIC+SOLAR+CELLS
3 BULK HETEROJUNCTION 768201 6% 44% 350 Search BULK+HETEROJUNCTION Search BULK+HETEROJUNCTION
4 BULK HETEROJUNCTION SOLAR CELLS 413903 2% 61% 136 Search BULK+HETEROJUNCTION+SOLAR+CELLS Search BULK+HETEROJUNCTION+SOLAR+CELLS
5 ORGANIC PHOTOVOLTAICS 348842 4% 26% 275 Search ORGANIC+PHOTOVOLTAICS Search ORGANIC+PHOTOVOLTAICS
6 CONJUGATED POLYMERS 338815 8% 13% 536 Search CONJUGATED+POLYMERS Search CONJUGATED+POLYMERS
7 NON FULLERENE ACCEPTOR 335188 1% 92% 73 Search NON+FULLERENE+ACCEPTOR Search NON+FULLERENE+ACCEPTOR
8 LOW BAND GAP 269172 2% 53% 102 Search LOW+BAND+GAP Search LOW+BAND+GAP
9 DIKETOPYRROLOPYRROLE 233616 2% 40% 117 Search DIKETOPYRROLOPYRROLE Search DIKETOPYRROLOPYRROLE
10 BENZODITHIOPHENE 223309 1% 69% 65 Search BENZODITHIOPHENE Search BENZODITHIOPHENE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 4573 ORGANIC SOLAR CELLS//CELIV//BIMOLECULAR RECOMBINATION
2 1023 POLYMER SOLAR CELLS//INVERTED POLYMER SOLAR CELLS//ORGANIC SOLAR CELLS
3 6040 NAPHTHALENE DIIMIDE//ORGANIC FIELD EFFECT TRANSISTORS//DIKETOPYRROLOPYRROLE
4 8449 POLY3 HEXYLTHIOPHENE//P3HT//IPOC FUNCT POLYMERS
5 6888 ORGANIC SOLAR CELLS//SUBPC//ORGANIC PHOTOVOLTAIC CELLS
6 12301 CHAIN GROWTH POLYCONDENSATION//CONJUGATED BLOCK COPOLYMERS//GRIM POLYMERIZATION
7 36095 SOLAR PAINT//POLYMER SUR E CHEM//ICI PROC SYST ENGN
8 24107 INTERPENETRATING INTERFACE//C 60 TOLUENE DERIVATIVE//INTERPENETRATING HETEROJUNCTION
9 6990 HYBRID SOLAR CELLS//P3HT//MEH PPV
10 22364 DIKETOPYRROLOPYRROLE//QUINACRIDONE//DIKETO PYRROLO PYRROLE DPP

Go to start page