1
Suppo ing In o ma ion
De elopmen o a biodeg adable g een emi e
chi osan-based OLED o implan able
biomedical de ices
Filipa Pi es,∗,† Eleono a Daini,‡ Eleono a Vandini,‡ Daniela Giuliani,‡ An onie a
Vilella,‡ F ede ico Cas elo Fe ei a¶,§ and Jo ge Mo gado†,∥
†Ins i u o de Telecomunicações, Ins i u o Supe io Técnico, Uni e sidade de Lisboa, A .
Ro isco Pais, 1049-001 Lisboa, Po ugal
‡Depa men o Biomedical Me abolic and Neu al Sciences, Uni e si y o Modena and
Reggio Emilia, ia G. Campi 287, Modena, 41125 I aly
¶Depa men o Bioenginee ing and iBB- Ins i u e o Bioenginee ing and Biosciences,
Ins i u o Supe io Técnico, Uni e sidade de Lisboa, A . Ro isco Pais, 1049-001 Lisboa,
Po ugal
§Associa e Labo a o y i4HB—Ins i u e o Heal h and Bioeconomy, Ins i u o Supe io
Técnico, Uni e sidade de Lisboa, A . Ro isco Pais, 1049-001 Lisboa, Po ugal
∥Depa men o Bioenginee ing, Ins i u o Supe io Técnico, Uni e sidade de Lisboa, A .
Ro isco Pais, 1049-001 Lisboa, Po ugal
E-mail: [email p o ec ed]
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The PDF ile includes:
Figs. S1 o S8
O he Supplemen a y Ma e ials o his manusc ip include he ollowing:
Mo ies S1 o S2
3
Figu e S1. A) Se up scheme used o ollow he deg ada ion o he AlQ3 ilm upon con ac
wi h PBS. The ilm is posi ioned in such a way ha i is ou o he exci a ion beam
ajec o y. B) Pho os o a 140 nm hick ilm o AlQ3 on glass and o he glass ha
emained a e he expe imen o Figu e S1A, unde illumina ion a 254 nm. C)
Abso p ion spec a o a ilm o AlQ3 on glass, a e being imme sed in PBS o 4 days
and hen a e insing wi h wa e ( elease o some deg ada ion p oduc s ha emained
p ecipi a ed on he glass subs a e).
4
Figu e S2. T ansmi ance o ITO/PEDOT ( ed line) s Mg/MoO3 (black line) bo h on glass
subs a es.
5
Figu e S3. AFM 2D and 3D opog aphy (a, b) images and co esponding phase image (c) o
chi osan subs a e (scan a ea is 2 µm 2 µm).
6
Figu e S4. UV– isible ansmission spec um o a chi osan subs a e be o e (black line) and a e
(blue line) magnesium-based anode o ma ion.
300 400 500 600 700 800 900
0
25
50
75
100
T ansmi ance (% )
Wa eleng h (nm)
Chi osan
Chi osan/MoO3 /Mg
7
Figu e S5. S uc u e o he OLEDs (A o C) and ene gy le el diag am o he a ious componen s
(D).
8
Figu e S6. EL e o he LEDs whose cha ac e is ics a e shown in Figu e 4.
9
Figu e S7. Deg ada ion o chi osan-based OLED imme sed in PBS + 1mg/mL lysozyme solu ion.
Abso bance measu emen s on he PBS + lysozyme solu ion e eal a dec ease in he in ensi y o
cha ac e is ic lysozyme bands, indica ing i s ac i e ole in deg ading he chi osan-based OLED
o e ime.
