id sid tid token lemma pos ws859c70h36 1 1 it it PRON ws859c70h36 1 2 is be AUX ws859c70h36 1 3 essential essential ADJ ws859c70h36 1 4 and and CCONJ ws859c70h36 1 5 urgent urgent ADJ ws859c70h36 1 6 to to PART ws859c70h36 1 7 develop develop VERB ws859c70h36 1 8 an an DET ws859c70h36 1 9 efficient efficient ADJ ws859c70h36 1 10 yet yet ADV ws859c70h36 1 11 cost cost NOUN ws859c70h36 1 12 - - PUNCT ws859c70h36 1 13 effective effective ADJ ws859c70h36 1 14 approach approach NOUN ws859c70h36 1 15 to to PART ws859c70h36 1 16 convert convert VERB ws859c70h36 1 17 solar solar ADJ ws859c70h36 1 18 energy energy NOUN ws859c70h36 1 19 into into ADP ws859c70h36 1 20 useful useful ADJ ws859c70h36 1 21 energy energy NOUN ws859c70h36 1 22 sources source NOUN ws859c70h36 1 23 to to PART ws859c70h36 1 24 sustain sustain VERB ws859c70h36 1 25 our our PRON ws859c70h36 1 26 society society NOUN ws859c70h36 1 27 in in ADP ws859c70h36 1 28 the the DET ws859c70h36 1 29 near near ADJ ws859c70h36 1 30 future future NOUN ws859c70h36 1 31 . . PUNCT ws859c70h36 2 1 tio2 tio2 NOUN ws859c70h36 2 2 supported support VERB ws859c70h36 2 3 nanostructures nanostructure NOUN ws859c70h36 2 4 have have VERB ws859c70h36 2 5 the the DET ws859c70h36 2 6 potential potential NOUN ws859c70h36 2 7 to to PART ws859c70h36 2 8 tackle tackle VERB ws859c70h36 2 9 this this DET ws859c70h36 2 10 challenge challenge NOUN ws859c70h36 2 11 due due ADP ws859c70h36 2 12 to to ADP ws859c70h36 2 13 its its PRON ws859c70h36 2 14 low low ADJ ws859c70h36 2 15 - - PUNCT ws859c70h36 2 16 cost cost NOUN ws859c70h36 2 17 nature nature NOUN ws859c70h36 2 18 and and CCONJ ws859c70h36 2 19 flexibility flexibility NOUN ws859c70h36 2 20 in in ADP ws859c70h36 2 21 device device NOUN ws859c70h36 2 22 design design NOUN ws859c70h36 2 23 . . PUNCT ws859c70h36 3 1 the the DET ws859c70h36 3 2 light light NOUN ws859c70h36 3 3 absorbers absorber NOUN ws859c70h36 3 4 that that PRON ws859c70h36 3 5 are be AUX ws859c70h36 3 6 anchored anchor VERB ws859c70h36 3 7 onto onto ADP ws859c70h36 3 8 tio2 tio2 NOUN ws859c70h36 3 9 surface surface NOUN ws859c70h36 3 10 play play VERB ws859c70h36 3 11 important important ADJ ws859c70h36 3 12 roles role NOUN ws859c70h36 3 13 on on ADP ws859c70h36 3 14 determining determine VERB ws859c70h36 3 15 the the DET ws859c70h36 3 16 device device NOUN ws859c70h36 3 17 performance performance NOUN ws859c70h36 3 18 , , PUNCT ws859c70h36 3 19 however however ADV ws859c70h36 3 20 , , PUNCT ws859c70h36 3 21 the the DET ws859c70h36 3 22 current current ADJ ws859c70h36 3 23 systems system NOUN ws859c70h36 3 24 provide provide VERB ws859c70h36 3 25 low low ADJ ws859c70h36 3 26 efficiencies efficiency NOUN ws859c70h36 3 27 even even ADV ws859c70h36 3 28 after after ADP ws859c70h36 3 29 decades decade NOUN ws859c70h36 3 30 of of ADP ws859c70h36 3 31 studies study NOUN ws859c70h36 3 32 . . PUNCT ws859c70h36 4 1 in in ADP ws859c70h36 4 2 this this DET ws859c70h36 4 3 dissertation dissertation NOUN ws859c70h36 4 4 , , PUNCT ws859c70h36 4 5 i i PRON ws859c70h36 4 6 have have AUX ws859c70h36 4 7 investigated investigate VERB ws859c70h36 4 8 two two NUM ws859c70h36 4 9 emerging emerge VERB ws859c70h36 4 10 nanomaterials nanomaterial NOUN ws859c70h36 4 11 , , PUNCT ws859c70h36 4 12 glutathione glutathione NOUN ws859c70h36 4 13 - - PUNCT ws859c70h36 4 14 capped cap VERB ws859c70h36 4 15 gold gold NOUN ws859c70h36 4 16 nanoclusters nanocluster NOUN ws859c70h36 4 17 and and CCONJ ws859c70h36 4 18 organometal organometal ADJ ws859c70h36 4 19 halide halide NOUN ws859c70h36 4 20 perovskites perovskites PROPN ws859c70h36 4 21 as as ADP ws859c70h36 4 22 light light ADJ ws859c70h36 4 23 absorbers absorber NOUN ws859c70h36 4 24 , , PUNCT ws859c70h36 4 25 respectively respectively ADV ws859c70h36 4 26 . . PUNCT ws859c70h36 5 1 their their PRON ws859c70h36 5 2 performances performance NOUN ws859c70h36 5 3 in in ADP ws859c70h36 5 4 tio2 tio2 NOUN ws859c70h36 5 5 supported support VERB ws859c70h36 5 6 systems system NOUN ws859c70h36 5 7 for for ADP ws859c70h36 5 8 solar solar ADJ ws859c70h36 5 9 to to ADP ws859c70h36 5 10 electricity electricity NOUN ws859c70h36 5 11 and and CCONJ ws859c70h36 5 12 solar solar ADJ ws859c70h36 5 13 to to PART ws859c70h36 5 14 fuel fuel VERB ws859c70h36 5 15 conversion conversion NOUN ws859c70h36 5 16 applications application NOUN ws859c70h36 5 17 are be AUX ws859c70h36 5 18 examined examine VERB ws859c70h36 5 19 and and CCONJ ws859c70h36 5 20 discussed.glutathione discussed.glutathione NOUN ws859c70h36 5 21 - - PUNCT ws859c70h36 5 22 capped cap VERB ws859c70h36 5 23 gold gold NOUN ws859c70h36 5 24 nanoclusters nanocluster NOUN ws859c70h36 5 25 which which PRON ws859c70h36 5 26 exhibit exhibit VERB ws859c70h36 5 27 molecule molecule NOUN ws859c70h36 5 28 - - PUNCT ws859c70h36 5 29 like like ADJ ws859c70h36 5 30 properties property NOUN ws859c70h36 5 31 are be AUX ws859c70h36 5 32 first first ADV ws859c70h36 5 33 investigated investigate VERB ws859c70h36 5 34 for for ADP ws859c70h36 5 35 solar solar ADJ ws859c70h36 5 36 to to PART ws859c70h36 5 37 electricity electricity NOUN ws859c70h36 5 38 conversion conversion NOUN ws859c70h36 5 39 applications application NOUN ws859c70h36 5 40 . . PUNCT ws859c70h36 6 1 the the DET ws859c70h36 6 2 excited excited ADJ ws859c70h36 6 3 state state NOUN ws859c70h36 6 4 behavior behavior NOUN ws859c70h36 6 5 of of ADP ws859c70h36 6 6 the the DET ws859c70h36 6 7 gold gold NOUN ws859c70h36 6 8 nanoclusters nanocluster NOUN ws859c70h36 6 9 elucidated elucidate VERB ws859c70h36 6 10 from from ADP ws859c70h36 6 11 time time NOUN ws859c70h36 6 12 - - PUNCT ws859c70h36 6 13 resolved resolve VERB ws859c70h36 6 14 spectroscopy spectroscopy NOUN ws859c70h36 6 15 shows show VERB ws859c70h36 6 16 favorite favorite ADJ ws859c70h36 6 17 long long ADV ws859c70h36 6 18 - - PUNCT ws859c70h36 6 19 lived live VERB ws859c70h36 6 20 excited excited ADJ ws859c70h36 6 21 state state NOUN ws859c70h36 6 22 lifetime lifetime NOUN ws859c70h36 6 23 . . PUNCT ws859c70h36 7 1 these these DET ws859c70h36 7 2 long long ADV ws859c70h36 7 3 - - PUNCT ws859c70h36 7 4 lived live VERB ws859c70h36 7 5 excited excited ADJ ws859c70h36 7 6 states state NOUN ws859c70h36 7 7 are be AUX ws859c70h36 7 8 found find VERB ws859c70h36 7 9 to to PART ws859c70h36 7 10 inject inject VERB ws859c70h36 7 11 energetic energetic ADJ ws859c70h36 7 12 electrons electron NOUN ws859c70h36 7 13 into into ADP ws859c70h36 7 14 the the DET ws859c70h36 7 15 conduction conduction NOUN ws859c70h36 7 16 band band NOUN ws859c70h36 7 17 of of ADP ws859c70h36 7 18 tio2 tio2 NOUN ws859c70h36 7 19 upon upon SCONJ ws859c70h36 7 20 light light ADJ ws859c70h36 7 21 excitation excitation NOUN ws859c70h36 7 22 , , PUNCT ws859c70h36 7 23 confirming confirm VERB ws859c70h36 7 24 the the DET ws859c70h36 7 25 role role NOUN ws859c70h36 7 26 of of ADP ws859c70h36 7 27 gold gold NOUN ws859c70h36 7 28 nanoclusters nanocluster NOUN ws859c70h36 7 29 as as ADP ws859c70h36 7 30 the the DET ws859c70h36 7 31 new new ADJ ws859c70h36 7 32 class class NOUN ws859c70h36 7 33 of of ADP ws859c70h36 7 34 photosensitizer photosensitizer ADJ ws859c70h36 7 35 alternative alternative NOUN ws859c70h36 7 36 to to ADP ws859c70h36 7 37 dye dye NOUN ws859c70h36 7 38 molecules molecule NOUN ws859c70h36 7 39 and and CCONJ ws859c70h36 7 40 quantum quantum NOUN ws859c70h36 7 41 dots dot NOUN ws859c70h36 7 42 . . PUNCT ws859c70h36 8 1 we we PRON ws859c70h36 8 2 fabricated fabricate VERB ws859c70h36 8 3 a a DET ws859c70h36 8 4 metal metal NOUN ws859c70h36 8 5 cluster cluster NOUN ws859c70h36 8 6 - - PUNCT ws859c70h36 8 7 sensitized sensitize VERB ws859c70h36 8 8 solar solar ADJ ws859c70h36 8 9 cell cell NOUN ws859c70h36 8 10 ( ( PUNCT ws859c70h36 8 11 mcscs mcscs PROPN ws859c70h36 8 12 ) ) PUNCT ws859c70h36 8 13 using use VERB ws859c70h36 8 14 these these DET ws859c70h36 8 15 clusters cluster NOUN ws859c70h36 8 16 as as ADP ws859c70h36 8 17 the the DET ws859c70h36 8 18 photosensitizers photosensitizer NOUN ws859c70h36 8 19 and and CCONJ ws859c70h36 8 20 demonstrated demonstrate VERB ws859c70h36 8 21 its its PRON ws859c70h36 8 22 ability ability NOUN ws859c70h36 8 23 of of ADP ws859c70h36 8 24 delivering deliver VERB ws859c70h36 8 25 stable stable ADJ ws859c70h36 8 26 power power NOUN ws859c70h36 8 27 conversion conversion NOUN ws859c70h36 8 28 efficiency efficiency NOUN ws859c70h36 8 29 of of ADP ws859c70h36 8 30 2 2 NUM ws859c70h36 8 31 % % NOUN ws859c70h36 8 32 . . PUNCT ws859c70h36 9 1 this this DET ws859c70h36 9 2 new new ADJ ws859c70h36 9 3 class class NOUN ws859c70h36 9 4 of of ADP ws859c70h36 9 5 photosensitizer photosensitizer ADJ ws859c70h36 9 6 is be AUX ws859c70h36 9 7 further far ADV ws859c70h36 9 8 explored explore VERB ws859c70h36 9 9 as as ADP ws859c70h36 9 10 a a DET ws859c70h36 9 11 co co NOUN ws859c70h36 9 12 - - NOUN ws859c70h36 9 13 sensitizer sensitizer ADJ ws859c70h36 9 14 in in ADP ws859c70h36 9 15 a a DET ws859c70h36 9 16 dye dye NOUN ws859c70h36 9 17 - - PUNCT ws859c70h36 9 18 sensitized sensitize VERB ws859c70h36 9 19 solar solar ADJ ws859c70h36 9 20 cell cell NOUN ws859c70h36 9 21 ( ( PUNCT ws859c70h36 9 22 dssc dssc PROPN ws859c70h36 9 23 ) ) PUNCT ws859c70h36 9 24 . . PUNCT ws859c70h36 10 1 the the DET ws859c70h36 10 2 metallic metallic ADJ ws859c70h36 10 3 core core NOUN ws859c70h36 10 4 of of ADP ws859c70h36 10 5 the the DET ws859c70h36 10 6 gold gold NOUN ws859c70h36 10 7 nanoclusters nanocluster NOUN ws859c70h36 10 8 is be AUX ws859c70h36 10 9 found find VERB ws859c70h36 10 10 to to PART ws859c70h36 10 11 accumulate accumulate VERB ws859c70h36 10 12 electrons electron NOUN ws859c70h36 10 13 and and CCONJ ws859c70h36 10 14 raise raise VERB ws859c70h36 10 15 the the DET ws859c70h36 10 16 quasi quasi ADJ ws859c70h36 10 17 - - ADJ ws859c70h36 10 18 fermi fermi ADJ ws859c70h36 10 19 level level NOUN ws859c70h36 10 20 of of ADP ws859c70h36 10 21 tio2 tio2 NOUN ws859c70h36 10 22 under under ADP ws859c70h36 10 23 illumination illumination NOUN ws859c70h36 10 24 when when SCONJ ws859c70h36 10 25 two two NUM ws859c70h36 10 26 of of ADP ws859c70h36 10 27 them they PRON ws859c70h36 10 28 are be AUX ws859c70h36 10 29 in in ADP ws859c70h36 10 30 contact contact NOUN ws859c70h36 10 31 . . PUNCT ws859c70h36 11 1 the the DET ws859c70h36 11 2 resulting result VERB ws859c70h36 11 3 co co NOUN ws859c70h36 11 4 - - ADJ ws859c70h36 11 5 sensitized sensitize VERB ws859c70h36 11 6 solar solar ADJ ws859c70h36 11 7 cells cell NOUN ws859c70h36 11 8 show show VERB ws859c70h36 11 9 greater great ADJ ws859c70h36 11 10 energy energy NOUN ws859c70h36 11 11 conversion conversion NOUN ws859c70h36 11 12 efficiency efficiency NOUN ws859c70h36 11 13 compared compare VERB ws859c70h36 11 14 to to ADP ws859c70h36 11 15 the the DET ws859c70h36 11 16 solar solar ADJ ws859c70h36 11 17 cells cell NOUN ws859c70h36 11 18 composed compose VERB ws859c70h36 11 19 of of ADP ws859c70h36 11 20 single single ADJ ws859c70h36 11 21 photosensitizer photosensitizer NOUN ws859c70h36 11 22 . . PUNCT ws859c70h36 12 1 the the DET ws859c70h36 12 2 promising promise VERB ws859c70h36 12 3 gold gold NOUN ws859c70h36 12 4 nanoclusters nanocluster NOUN ws859c70h36 12 5 - - PUNCT ws859c70h36 12 6 sensitized sensitize VERB ws859c70h36 12 7 tio2 tio2 NOUN ws859c70h36 12 8 nanostructures nanostructure NOUN ws859c70h36 12 9 are be AUX ws859c70h36 12 10 further far ADV ws859c70h36 12 11 studied study VERB ws859c70h36 12 12 for for ADP ws859c70h36 12 13 light light ADJ ws859c70h36 12 14 - - PUNCT ws859c70h36 12 15 driven drive VERB ws859c70h36 12 16 hydrogen hydrogen NOUN ws859c70h36 12 17 production production NOUN ws859c70h36 12 18 application application NOUN ws859c70h36 12 19 in in ADP ws859c70h36 12 20 two two NUM ws859c70h36 12 21 electrode electrode ADJ ws859c70h36 12 22 photoelectrochemical photoelectrochemical ADJ ws859c70h36 12 23 cells cell NOUN ws859c70h36 12 24 ( ( PUNCT ws859c70h36 12 25 pecs pecs NOUN ws859c70h36 12 26 ) ) PUNCT ws859c70h36 12 27 and and CCONJ ws859c70h36 12 28 photocatalytic photocatalytic ADJ ws859c70h36 12 29 slurry slurry NOUN ws859c70h36 12 30 systems system NOUN ws859c70h36 12 31 . . PUNCT ws859c70h36 13 1 the the DET ws859c70h36 13 2 glutathione glutathione NOUN ws859c70h36 13 3 - - PUNCT ws859c70h36 13 4 capped cap VERB ws859c70h36 13 5 gold gold NOUN ws859c70h36 13 6 nanoclusters nanocluster NOUN ws859c70h36 13 7 characterized characterize VERB ws859c70h36 13 8 using use VERB ws859c70h36 13 9 cyclic cyclic PROPN ws859c70h36 13 10 voltammogram voltammogram PROPN ws859c70h36 13 11 show show VERB ws859c70h36 13 12 suitable suitable ADJ ws859c70h36 13 13 energy energy NOUN ws859c70h36 13 14 levels level NOUN ws859c70h36 13 15 for for ADP ws859c70h36 13 16 hydrogen hydrogen NOUN ws859c70h36 13 17 and and CCONJ ws859c70h36 13 18 oxygen oxygen NOUN ws859c70h36 13 19 evolution evolution NOUN ws859c70h36 13 20 reaction reaction NOUN ws859c70h36 13 21 at at ADP ws859c70h36 13 22 neutral neutral ADJ ws859c70h36 13 23 ph ph NOUN ws859c70h36 13 24 . . PUNCT ws859c70h36 14 1 the the DET ws859c70h36 14 2 gold gold NOUN ws859c70h36 14 3 nanoclusters nanocluster NOUN ws859c70h36 14 4 - - PUNCT ws859c70h36 14 5 sensitized sensitize VERB ws859c70h36 14 6 tio2 tio2 NOUN ws859c70h36 14 7 nanostructures nanostructure NOUN ws859c70h36 14 8 are be AUX ws859c70h36 14 9 capable capable ADJ ws859c70h36 14 10 of of ADP ws859c70h36 14 11 producing produce VERB ws859c70h36 14 12 hydrogen hydrogen NOUN ws859c70h36 14 13 gas gas NOUN ws859c70h36 14 14 under under ADP ws859c70h36 14 15 visible visible ADJ ws859c70h36 14 16 light light ADJ ws859c70h36 14 17 illumination illumination NOUN ws859c70h36 14 18 at at ADP ws859c70h36 14 19 neutral neutral ADJ ws859c70h36 14 20 ph ph NOUN ws859c70h36 14 21 without without ADP ws859c70h36 14 22 applying apply VERB ws859c70h36 14 23 external external ADJ ws859c70h36 14 24 bias bias NOUN ws859c70h36 14 25 or or CCONJ ws859c70h36 14 26 sacrificial sacrificial ADJ ws859c70h36 14 27 reagents reagent NOUN ws859c70h36 14 28 . . PUNCT ws859c70h36 15 1 these these DET ws859c70h36 15 2 exceptional exceptional ADJ ws859c70h36 15 3 performances performance NOUN ws859c70h36 15 4 are be AUX ws859c70h36 15 5 superior superior ADJ ws859c70h36 15 6 to to ADP ws859c70h36 15 7 the the DET ws859c70h36 15 8 pre pre ADJ ws859c70h36 15 9 - - ADJ ws859c70h36 15 10 existing existing ADJ ws859c70h36 15 11 systems system NOUN ws859c70h36 15 12 using use VERB ws859c70h36 15 13 dye dye NOUN ws859c70h36 15 14 molecules molecule NOUN ws859c70h36 15 15 and and CCONJ ws859c70h36 15 16 quantum quantum NOUN ws859c70h36 15 17 dots dot NOUN ws859c70h36 15 18 as as ADP ws859c70h36 15 19 the the DET ws859c70h36 15 20 photosensitizers.lastly photosensitizers.lastly ADJ ws859c70h36 15 21 , , PUNCT ws859c70h36 15 22 organometal organometal ADJ ws859c70h36 15 23 halide halide NOUN ws859c70h36 15 24 perovskite perovskite PROPN ws859c70h36 15 25 is be AUX ws859c70h36 15 26 explored explore VERB ws859c70h36 15 27 for for ADP ws859c70h36 15 28 light light ADJ ws859c70h36 15 29 - - PUNCT ws859c70h36 15 30 driven drive VERB ws859c70h36 15 31 hydrogen hydrogen NOUN ws859c70h36 15 32 production production NOUN ws859c70h36 15 33 . . PUNCT ws859c70h36 16 1 this this DET ws859c70h36 16 2 emerging emerge VERB ws859c70h36 16 3 light light NOUN ws859c70h36 16 4 absorber absorber NOUN ws859c70h36 16 5 composed compose VERB ws859c70h36 16 6 of of ADP ws859c70h36 16 7 inexpensive inexpensive ADJ ws859c70h36 16 8 , , PUNCT ws859c70h36 16 9 earth earth NOUN ws859c70h36 16 10 - - PUNCT ws859c70h36 16 11 abundant abundant ADJ ws859c70h36 16 12 elements element NOUN ws859c70h36 16 13 and and CCONJ ws859c70h36 16 14 can can AUX ws859c70h36 16 15 be be AUX ws859c70h36 16 16 prepared prepare VERB ws859c70h36 16 17 using use VERB ws859c70h36 16 18 low low ADJ ws859c70h36 16 19 - - PUNCT ws859c70h36 16 20 cost cost NOUN ws859c70h36 16 21 solution solution NOUN ws859c70h36 16 22 processes process NOUN ws859c70h36 16 23 , , PUNCT ws859c70h36 16 24 has have AUX ws859c70h36 16 25 already already ADV ws859c70h36 16 26 demonstrated demonstrate VERB ws859c70h36 16 27 its its PRON ws859c70h36 16 28 ability ability NOUN ws859c70h36 16 29 of of ADP ws859c70h36 16 30 delivering deliver VERB ws859c70h36 16 31 power power NOUN ws859c70h36 16 32 conversion conversion NOUN ws859c70h36 16 33 efficiency efficiency NOUN ws859c70h36 16 34 of of ADP ws859c70h36 16 35 20 20 NUM ws859c70h36 16 36 % % NOUN ws859c70h36 16 37 in in ADP ws859c70h36 16 38 tio2 tio2 NOUN ws859c70h36 16 39 supported support VERB ws859c70h36 16 40 nanostructures nanostructure NOUN ws859c70h36 16 41 . . PUNCT ws859c70h36 17 1 the the DET ws859c70h36 17 2 uniqueness uniqueness NOUN ws859c70h36 17 3 of of ADP ws859c70h36 17 4 perovskite perovskite ADJ ws859c70h36 17 5 solar solar ADJ ws859c70h36 17 6 cells cell NOUN ws859c70h36 17 7 in in ADP ws859c70h36 17 8 delivering deliver VERB ws859c70h36 17 9 high high ADJ ws859c70h36 17 10 open open ADJ ws859c70h36 17 11 circuit circuit NOUN ws859c70h36 17 12 voltage voltage NOUN ws859c70h36 17 13 is be AUX ws859c70h36 17 14 designed design VERB ws859c70h36 17 15 to to PART ws859c70h36 17 16 supply supply VERB ws859c70h36 17 17 additional additional ADJ ws859c70h36 17 18 photovoltage photovoltage NOUN ws859c70h36 17 19 to to ADP ws859c70h36 17 20 a a DET ws859c70h36 17 21 n n ADJ ws859c70h36 17 22 - - PUNCT ws859c70h36 17 23 type type NOUN ws859c70h36 17 24 semiconductor semiconductor NOUN ws859c70h36 17 25 photoanode photoanode NOUN ws859c70h36 17 26 to to PART ws859c70h36 17 27 drive drive VERB ws859c70h36 17 28 the the DET ws859c70h36 17 29 overall overall ADJ ws859c70h36 17 30 water water NOUN ws859c70h36 17 31 splitting split VERB ws859c70h36 17 32 reaction reaction NOUN ws859c70h36 17 33 in in ADP ws859c70h36 17 34 a a DET ws859c70h36 17 35 photoanode photoanode NOUN ws859c70h36 17 36 - - PUNCT ws859c70h36 17 37 photovoltaic photovoltaic ADJ ws859c70h36 17 38 tandem tandem NOUN ws859c70h36 17 39 device device NOUN ws859c70h36 17 40 . . PUNCT ws859c70h36 18 1 the the DET ws859c70h36 18 2 solar solar ADJ ws859c70h36 18 3 to to PART ws859c70h36 18 4 hydrogen hydrogen NOUN ws859c70h36 18 5 conversion conversion NOUN ws859c70h36 18 6 efficiency efficiency NOUN ws859c70h36 18 7 of of ADP ws859c70h36 18 8 this this DET ws859c70h36 18 9 device device NOUN ws859c70h36 18 10 is be AUX ws859c70h36 18 11 2.5 2.5 NUM ws859c70h36 18 12 % % NOUN ws859c70h36 18 13 under under ADP ws859c70h36 18 14 simulated simulated ADJ ws859c70h36 18 15 sunlight sunlight NOUN ws859c70h36 18 16 illumination illumination NOUN ws859c70h36 18 17 . . PUNCT ws859c70h36 19 1 further further ADJ ws859c70h36 19 2 improvement improvement NOUN ws859c70h36 19 3 on on ADP ws859c70h36 19 4 the the DET ws859c70h36 19 5 device device NOUN ws859c70h36 19 6 efficiency efficiency NOUN ws859c70h36 19 7 and and CCONJ ws859c70h36 19 8 stability stability NOUN ws859c70h36 19 9 are be AUX ws859c70h36 19 10 expected expect VERB ws859c70h36 19 11 via via ADP ws859c70h36 19 12 optimizing optimize VERB ws859c70h36 19 13 the the DET ws859c70h36 19 14 electrochemical electrochemical ADJ ws859c70h36 19 15 activity activity NOUN ws859c70h36 19 16 of of ADP ws859c70h36 19 17 the the DET ws859c70h36 19 18 front front ADJ ws859c70h36 19 19 photoelectrode photoelectrode NOUN ws859c70h36 19 20 . . PUNCT